•

•

20 DR. L. PFEIFFER ON NEW LAND-SHELLS. [Jan. 8,

6. DESCRIPTIONS OF FORTY-SEVEN NEW SPECIES OF LAND­

SHELLS, FROM THE COLLECTION OF H. GUMING, ESQ. By DR. L. PFEIFFER.

(Plates II. & III.)

]. HELIX TROCHISCUS, Pfr. T. imperforata, conica, solidula, lcevigata, nitidissima, pellucida, cornea; api1'a convexo-conica ; sutura submarginata; anfr. 5t convexiusculi, ultimus "otun­datus, non descendens; apertw'a subverticalis, lunm'is; perist. simplex, rectum, marginibus 1'emotis, columella"i b"evi, sub­stricto, calloso-subincrassato.

Diam. maj. 5, min. 4t, alt. 4t mill. Hab. Siam eM. Mouhot).

2. HELIX IGNESCENS, Pfr. (PI. II. fig. 1). T, subpelforata, glo­boso-depl'essa, vit1'inoidea, tenuis, striatula et striis im.pl'easis spil'alibus sub lente decussatuta, pellucida, nitidissima, corneo­ignescens; spira pal'wn elevata; anlr. 4t "apide accrescentes, convexiusculi, ultimus vent,·osuS, non descendens; apel·tura fel'e diagonalis, 1'otundato-lunm'is ; perist. simple,v, ,'ectwn, margi­nibus vi,v conniventibus, dextl'o antl'orsum subarcuato, columel­lm'i m'cuato-declivi,film'i, superne anguste l'eflexo.

Diam. maj. 27 t, min. 23, alt. 15 mill. Hab. Isle of Batchian, Moluccas (M1·. Wallace).

3. HELIX SUBCORNEA, Pfr. T. subclause pelf01'ata, depl'essa, fenuis, lcevigata, albido-c01'nea; spira vix conoideo-elevata, ver­tice subtili; sutw'a filo marginata; anfl'. 7t conve,viusculi, ultimus "ix latior, basi convexi01'; apertura vel,ticalis, auri­fonni-lunaris; perist. simlJlea:, ,'ectum, mm'gine columellari longe declivi, subincrassato.

Diam. maj. 13i , min. 12t, alt. 6 mill. Hab. Siam (M, }.louhot).

4. HELIX ClESIA, (NAN INA) Pfr. T. pelfm'ata, dep,'essa, tenuis, pellucida, c01'neo-gl'isea, superne stl'iatula, pa1'Um nitens, sub lente lineis spil'alibus sculpta, subtus 1'adiato-si1'iata, nitidior; spil'a breviter conoidea, vertice subtili; sutUl'a levis; anfr. 6 planiusculi, l'egulal'itel' accrescentes, u ltimus medio subcal'ina­tus, basi convexiusculus; apel'tw'a obliqua, late lunal'is ; perist. simplex, l'ectum, mal'ginibus l'emotis, columellw'i declivi, ad in­sertionem vix dilatato.

Diam. maj. 17, min. 15·h alt. 8 mill. Bab. Admiralty Islands.

5. HELIX FARADENSIS, Pfr. T. anguste umbilicata, depresso­turbinata, solidula, superne arcuato-st1'iata, lineisque spil'alibu8 sub lente conspicuis scu/pta, lutescenti-comea; spira conoidea, vel'tice minuto; anfl'.;) convexiusculi, ultimus latus, l'otundatua, sllbtus 1'adiato-striatus, nitidior; apel'tw'a obliqua, l'otundato-

•

P L S 186 ~, F "Lte 1I

I

2

,

J

5

-7

(J

G B Sowerhy, ht.h Vincent.Brooks .Imp

1 HelIx 19nescens. 2 ia wallaCll. 3 .lunicolarla turns .

4 HelIx nodifera 5 H batchianensls 6 lIehx rhyncosLoma.

7. Clauslha. taylofl. 8 Ortltalicus mars

•

p Z S 1861 Pla,te III

<J ,

/ -.... ---/

7

(; fI Sower!>\' III h •

/

6

10

•

VIIlC<'al. Brooks.1mp

1 Cydolus baLchlanpnS15 2. SlIlll1ulopS15 cmnmgl 3 IJel!.x A tro -fusca

4 B l:lJnU::; hcprilO::;lomus. '5 Buinnuf'5 pan 6 A,'haLLL18 plallLl.

; Lt 'Clop, )lna pUh ..... 1.1 inm 8 HdiX eXj (In "ii 9 Lept(J})oma gil bulosum

1 ('I 1. dr~C'l n el ~ •

\

-

•

1861.] DR. L. PFEIFFER ON NEW LAND-SHELLS. 21

[unm'is, infus suumargm'itacea; perisf. simplex, 1'ectum, 111m'· ginibus vix convergentibus, columellari superne subdilatato.

Diam. maj. 20, min. 17, alt. 12 mill. Hab. Parada, Mexico (M. Salle).

G. HELIX CARMELIENSIS, Pfr. T. anguste umbilicata, aep1'essa, tenuis, sublcevigata, pellucida, cornea, rufo indistincte l'adiata ; spi1'a convexa; anfr. 4t convexiusculi, lente accl'escentes, ulti-

- mus rotundatus, non descendens; ape1·tUl'a obliqua, lunaris; peNst. simplea.·, rectum, marginibus distantibus, columellari superne vix dilatato.

Diam. maj. 3-h min. 3, alt. vix 2 mill. Hab. Mount Carmel.

7. HELIX GASSIEST, Pfr. T. umbilicata, discoidea, cm'inata, tenuis, arcuato-st1'iata et lineis impressis obliquis sub lente de­cussatula, nitiaa, lutescens,jlammis c1'eu1'is castaneis fulgumta; spira immersa; anfr. 4 convexiusculi, 1'apide accl'escentes, ulti­mus magnus, utrinque convexi01', medio subacute cW'inatus; apertura obliqua, subtriangulari-lunm'is; perist. simplex, acu­tum, marginibus conniventibl~s.

Diam. maj. S]-, min. 7-t, alt. 3 mill. Hab. Erumanga, New Hebrides (Mr. Tumer).

S. HELIX BATCHIANENSIS, Pfr. (PI. II. fig. 5). T. angustissime umbilicata, conoidea, solida, oblique striata, fusca; spi1'a con­vexo-conoidea, apice acutiuscula; sutura levis, ca1'inato-mar­ginata; anfl'. 7, sup1'emi plani, sequentes convexiusculi, ultimus carinatus, non descendens, basi pl'ofltnde excavatus; apel'tU1'a diagonalis, 1'otundato-lunaris; perist. rectum, mm'ginibus di­stantibus; dexfl'o subsimplici, basali incrassato, ad insertion em jlexuose ascendente.

Diam. maj. 20t, min. 1St, alt. lIt mill. {3. Major, anfr. st, ultimo infra cW'inam pl'cecedentis 1·ecedente.

Diam. 23-h alt. 14 mill. Hab. Isle of Batchian eM1·. Wallace).

9. HELIX RHYNCHOSTOMA, Pfr. (PI. II. fig. 6). T. anguste umbilicata, t1'ochiformis, acute carinata, tenuiuscula, striatula et 8ub lente minutissime grau1llata, cW'nea, fasciis 2 1'ltfiS, altel'a supera, altel'a latiore basali ol'nata; spi1'a conica, obtusiusc1lla ,. 8utura ca1'inato-mm'ginata; anfr. 6 subplani, lente accrescentes, ultimus antice vix descende1Zs, basi subplanus; opel-tura per­obliqua, subt1'iangularis; perist. tenue, marginibus aistantibus, supel'O lllX expansoJ ad dextram in 1'ostnun l'ejlexo, basali bre­t·iter rejlexo, columellul'i dilatato, umbilicum occultante.

Diam. maj. 25, min. vix 22, alt. 17 mill. Hab. Isle of Batchian (Mr. Wallace).

10. HELIX NODIFERA, Pfr. (PI. II. fig, 4). T. umbilicata, tro­chiformis, cal'inata, tenuiuscula, striatula, diaphana, pallide iu-

22

,

-

, '

•

•

DR. L. PFEIFFER ON NEW LAND-SHELLS. [Jan, 8,

te8cens; Spi,'a conoidea, apice acutiuscula; sutw'a levis; aufl'. 5 convexiusculi, Ulti,JW8 non descendens, medio acute albo-cari­natus, ut,'inque convexior; apertU1'a diagonalis, sub1'1wmbea; pel'ist. late expansttm, mm'ginibus subpw'allelis, columellal'i sup,'a umbilicum angustum fornicatim l'ejlexo, intus nodulo cit,­cumsc1'ipto munito.

Diam. maj. 30, min. 24, alt. 18 mill. Hab. Isle of Batchian (Mr. Wallace).

II. HELIX OCCULTA, Pfr. T. anguste umbilicata, glob080-de­p"e8sa, tenuis, sub lente undique tenuissime gl'anulata, fuscula; 8pim vix elevata; anfr. 4 convexiusculi, ultimus latus, antice dejlex1ts et subconsl1'ictus, basi ventrosiol'; apertw'a magna, obliqua, lunato-ovalis,. perist. albo.callosum, mw'ginibus ap­p,'oximatis, dextro expanso, basali l'ejlexo, supl'a umbilicum di­latato.

Diam. maj. 12, min. 10, alt, 7 mill. Hab. Aru Islands (Ml'. Wallace).

12. HELIX ATROFUSCA, Pfr. (PI. III. fig. 3), T. umbilicata, depressa, tenuiuscula, conferte stl'iata, atl'0-ju8ca, fascia unica 8utul'ali lutescente ornata; spira conoideo-convetca, vertice comeo,. a1ifr. 4~ convexi, l'apide accl'escentes, ultimus depresso­l'otundatus, antice levitel' descendens, circa umbilicum medioCl'em excavatus; apertura amp la, diagonalis, lunato-ovalis, intu8 margw'itacea, COlO1'ibus perlucentibus; pel'ist, album, late ex­pansum et l'ejlexiusculum, mm'ginibus convel'gentibus, columellw'i 8uperne dilatato, tunc intus tubel'culo l'otundato munito.

Diam. maj, 32, min, 25, a1t. 15 mill, Hab. Isle of Batchian (Mr. Wallace).

13. HELIX EXPANSA, Pfr. (PI. III. fig. 8). T. umbilicata, de­p,'essa, tenuis, stl'iatula, superne via; nitidula, Ca1'nea, ant,'Q1'-8um cinnamomea; spil'a plana, subimmel'sa; a'l1fi'.4 convexius­culi, l'apide accl'escentes, ultimus magnus, depresso,,'otundatus, antice vix descendens, subtus distinctius stl'iatus, albidu8, niti­dus, pone apertw'am gibboso-injtatus et constrictus; apel'tUl'a ampla, pe1'obliqua, lunato-cil'Cula1'is; pel'ist. tenue, ma1'ginibu8 convel'gentibus, dextro lWl'izontalitel' abeunte, late expanso, basali l'ejlexo.

Diam, maj. 22, min. 17 ~, alt. 10 mill. Hab. Isle of Batchian (MI'. Wallace) .

•

14. HELIX LEUCOTROPIS, Pfr. T. anguste wnbilicata, dep,'essa, 80 lidu la, conferte stl'iatula,' l~itidula, camea; spim bl'eviter conoidea; 8utw'a albo-mm'ginqta; anfr, 4-} convexiusculi, ulti­mus cm'ina comp,'essa, acuta, alba munitus, antice vix descen­dens, basi convexiol'; apel'tttl'a obli'lua, Subl'hombeo-lunaris; pel'ist, tenue, marginibus convel'gentibus, supel'o b,'evitel' ex. panso, basali l'ejlexo, ad insertionem dilatato,

Diam. maj, 18, min. 15, alt, 8 mill. Hab. Aru Islands (11fl'. Wallace).

•

•

186 I.] DR. L. PFEIFFER ON NEW LAND-SHELLS. 23

15. STREPTAXIS SINUOSA, Pfr. T. profunde arcuato-l'imata, oblique oblonga, tenuiuscula, lawigata, nitida, vitreo-albida; spira subconoidea, vel'tice valde excent1'ico, minuto; anfl'. 5i convexiusculi, ad sutlt1'am stl'iatuli, penultimus gibbosus, ulti­?nus anl1'01'sum abel'rans, loco umbilici profunde excavatus; apertul'a diagonalis, late lunm'is, lamina pal'va lingucefol'mi pal'ietali coal'ctata; pe1·ist. jtexuosum, callosum, l'eflexum, mal'­gine dext1'o superne tenui, sinuoso.

Diam. maj. 8f, min. 6j, alt. 5 mill. Hab. Co chin China.

16. STREPTAXIS EBURNEA, Pfr. T. oblique pelf01'ata, subglo­bosa, supeme minute striata, eburneo-albida; spira convexo­conica j anfr. 6f parum convexi, 1 t ultimi antl'orsum deviantes, ultimus injtatus, lcevigatus; apel'tU1'a pe1'obliqua, subtl'iangu­lal'i-luna1'is, dente lingucefo1'1ni parietali coa1'ctata; pel'ist. cal­losum, album, expct1Zsum et l'eflexum, l1zal'gine supero intus dente 1 acuto munito.

Diam. maj. 11, min. 9, alt. 7 mill. Hab. Co chin China.

17. BULIMUS PAN, Pfr. (PI. III. .fig. 5). T. pe1forata, conico .. ovata, solida, lcevigata, nitida, alba, fasciis nig1'o-castaneis ornata j spira conica, sursum fulvicans, apice obtusa; anfi'. 5i planiusculi, ultimus spi1'a bl'e1.'i01·, medio ca1'inatus (cal'ina antice evanescente), basi l'otundatus; apertura subverticalis, truncato-ovalis; perist. tenue, margine dextro supel'ne sinuato, tum sublate patente, columella1'i stricte ascendente, fornicatim reJlexo.

Long, 30, diam. 16 mill. Hab. Philippine Islands.

18. BULIMUS HEPATOSTOMUS, Pfr. (PI. III. fig. 4). T. perfo­l'ata, subfusif01'mi-oblonga, solidula, sublcevigata, alba, stl'igis sparsis fuscis signata; spim conica, acutiuscula; sutw'a sub­marginataj anI'/,. 6 modice convexi, ultimus spiram paulo supe­mns, basi subattenuatus; columella vel·ticalis, stricta; aper­tw'n vix obliqua, oblonga, intus hepatica, nitida; perist. album, margine de,vt1'o ol'eviter expanso, columellari plano, late rejlexo.

Long. 32, diam. 13 mill. Hab. Mexico (lIf, Boucard).

19. BULIMUS IODOSTYLUS, Pfr. T. pe1forata, oMongo-conica, solidula, l'ugoso-st"iata et lineis imp,'essis obliquis minute sub­gl'anulata, alba subunicolor vel strigis rufis et castaneis irregu­lal'ite7' picta; spira conica, vel,tice acuto; anfi', 6 convexius­culi, ultimus spiram vix superans, basi subattenuatus; colu­mella Substl'icta, lilacina; apel·tura parum obliqua, oblonga; perist. breviter expansum, margine cOlltmellari sursum dilatato, reJlexo.

Long. 30, diam. 12 mill. Hab. Mexico (M. Bouca9'd).

24 DR. L. PFEIFFER ON NEW LAND-SHELLS. [Jan. 8,

20. BULJMlJS DE)1ERARE -SIS, Pfl'. T. pelf01'ala, ovalo-tur-rita, solidula, striatula, sub Zente indistincte decussatula, opaca, alb ida, strigisfuscis in'egulariter notataj spira elongalo-conica, acutiuscula; anfr, 6 panun convexi, ultimus j IOllgitudinis superans, s'lIbanguZatus (angulo ant ice evanescente); apertura obliqua, tl'uncato-ovalis; perist, breviter e:vpanswn, margine columellm'i m'cuato, superne f01'nicatim rejlexo.

Long. 20-t, diam. 10 mill. Hab. Demerara.

21. BULIMUS NILOTICUS, Pfr. T. subpelforata, i7ljlato-ovata, solida, fuscula, saturate castaneo irregulm'iter 1'adiata; spil'a brevis, conica, apice aculiuscula; anfr. 6 convexi, sU1mni la!vi­flati, sequentes minute decussati, ultimus fere i longitudinis formans, injlatus, subpZicatus et lineis l'emotiol'ibus spi1'alibus subclatkl'atus; apertura vix obliqua, ovalis, intus 1Jlm'garitacea; perist. roseum, mal'ginibus calla Cl'asso juncti8, dext7'o subin­cl'assato, stl'iato, superne sub1'epando, colu112eZlari crasso, sub­stricto, basi angulum indislinctwn cum basalif01·mante.

Long. 118, diam. 60 mill. Hab. Ad fontes Nili Albi (Mr. Petkerick).

22. BULIMUS PYRGISCUS, Pfr, T, subperf01'ata, tun'ita, soli­dula, levissime striata, albida j spira elongata, apice acutius­cula; sutum profimda; anfr. 9 convea;iusculi, ultimus t long i­tudinis cequans, basi non attenuatus; colmnella levissime ar­cuata; apertura vix obliqua, angulato-ovalis,· perist. simple.?:, rectum, 11wl'gine columellal'i b,'eviter rejlexo, 8ubadnato.

Long. 13, diam. 3 mill. Hab. Sandwich Islands.

23. BULIMUS DUX, .:pfr. T. subobtecte perforata, ovato-conica, 8olida, irregular-iter striata, pallide carnea; spira conica, acu­tiu8cula; sutura marginata; anfl'. 6 vix convex-iusculi, infi'a suturam striis spil'alibus nonnullis distinctis, pluribusque obso­letis sculpti, ultimus spiram paulo superans, subventrosus, basi "otundatus; apertura subverticalis, angulato-ovalis, intus roseo­carnea, nitida; perist. simplex, rectum, mal'ginibus calla rOBeD nitido junctis, colwnellari lilacino-roseo, fornicatim l'f'jlexo, sub­adnato.

Long. 51, diam. 26 mill. Hab. King George's Sound, Australia.

24. SPIRAXIS BOUCARDI, Pfr. T. ovato-oblonga, tenuis, lcevigata, nitida, olivaceo-fusca vel rubello-cornea; spi1'a convexo-conica, obtusula; sutw'a levis; anfr. 6 planiusculi, ultimus antice de­scendens, t lOllflitudinis fOl'mal1S, basi rotundatus; lamina colu­mellaris funiculata, torla, non t1·uncata; apertul'a verticalis, anguste sinuato-semiovalis; perist. simplex, llw1'gine dextro me­dio antrorsum subdilatato.

Long. 17, diam. 7 mill. . Hab. Juquila, Mexico (M. Boucal'U).

•

-

,

1861.J DR. L. PFEIFFER ON NEW LAND-SHELLS. 25

25. LIl\lICOLARIA TURRIS, Pfr. (PI. II. fig. 3). T. anguste um­bilicata, ovato-tun'i ta, tenuiuscula, con/erte striata, striis spil'alibus paulo distantioribus gl'anulato-decussata, pallide straminea unicolO1' vel strigis et jlammis l'ufis val'iegata; spira tUl'rita, apice obtusula; anfl', 10 modice convexi, ultimus ~ longitudinis subcequans, ad sutw'am interdum impresso-mm'gi­natus et cl'enatus, juxta umbilicum subcompressus; columella levitel' arcuata, ccerulescens; apel'tUl'a subverticalis, oblonga, basi subejfusa, intus margaritacea; pel'ist, simplex, 1'ectum, mal'gine columellm'i sursum dilatato, Jornicatim 1'ejlexo.

Long, 114, diam. 13 mill,

Hab. Ad fontes Nili Albi (!ffr. Petherick).

26. ORTHALICUS MARS, Pfr: (PI. II. fig. 8). T. impe1forata, oblongo-conica, solida, sublcevigata, camea, livido-nebulosa; spira conic a, vel,tice obtuso; sutU1'a crenulata; anJr, 7 modice convexi, medio g1'iseo-violaceo marm01'ati, ultimus t longitudinis subcequans, antice 1'ugoso-st1'iatus; columella nigra, callosa, torta et plicata; apertw'a ohliqua, ovalis, Jundo margaritaceo­alba; perist. l'ectU1Jl, obtusu1Jl, intus nigl'o-limbatum, margini­bus calla nigro int1'ante junctis.

Long. 77, diam. 35 mill, Hah. In republica lEquatoris (M1" Fraser).

27. ACHATINA SEMIGRANOSA, Pfr. T. ovato-tun'ita. tenuius­cula, lutescens, jlammis castaneis Julguratis ornata; spi1'a conica, ·obtusa; anJr. 7 modice convexi, 81tperi01'es distincte se1'iatim granulati, ultimus spiram subcequans, infra medium minutissime decussatus, se1'iebus gl'anulO1'um destitutus; colu­mella alba, parum torta, late t1'ttncata; apertura via: obliqua, angulato-subelliptica; perist. simplex, acutum.

Long. 77, diam. 34 mill. Hab. Cape Natal (Mr. Plant).

28. ACHATINA PLANT!, Pfr. (PI. III. fig, 6). T. turrito-oblonga, solidula, carneo-albida, Juscula et castaneo irl'egulm'ite1' ma­cltlata et jlammata; spira ovato-conica, apice l'otundata; su­tura subcrenata; anJr. 9 convexiusculi, summi minute granu­lato-decussati, 2 ultimi p1'ope suturam granulati, tum subdi. stanter plicatuli, ultimus spira brevior, basi subattenuatu8; columella levissime l'ecedens, basi oblique t1'1tncata; apertura obliqua, angulato-ovalis,' perist. simplex, rectum, marginibus callo saturate castaneo, intl'01'SUm diffuso, junctis.

Long. 134, diam. 47 mill. Hab. Cape Natal (Mr. Plant).

29, ACHATINA FOXCROFTJ, Pfr, T, cylindl'ico-turrita, aolidula, irregulm'iter striatula, sub epidermide cornea decidua albida; spira 8uperne tun'ita, apice obtusa, tum cylindracea; sutura subcrenulata; an/r. 12t convexiusculi, ultimus 1; lO'llfjitudinis vix cequans, basi rotundatus; columella antrorsum a1'C1tata, di-

26

•

•

•

DR. L. PFEIFFER ON NEW LAND· SHELLS. [Jan. 8,

stincte et anguste truncata; apertw'a obliqua, ovalis; perist. simple.v, l'ectwn.

Long, 3:;, diam, Gt mill. Hab. Sierra Leone (1111'. Foxcroft).

30. OLEACINA MULTISPIRA, Pfr. T. ovato-turrita, tenuis, sl1'ia­tula, nitida, comea, stl'igis indistinctis pallidis i1'1'egulw'itel' notata; spira convexiusculo-tu1'1'ita, apice acuta; sutum Cl'enu­lato-mw'ginata; anp" 10 planiusculi, irifl'a sutU1'am plicatuli, ultimus spira bl'evior, basi l'otundatus; columella bl'evis, ad basin apel'tul'ce oblique truncata; apel'tura subvel·ticalis, sinuato­semiovalis; perist. simplex, mw'gine dexl1'o fere angulatim an­tl'Ol'SUm dilatato,

Long, 25, diam. 9i mill. Hab. Juquila, Mexico (M. Boueard).

31. OLEACINA TURGIDA, Pfr. T. subfusif01'mi-ovata, solidius­cula, levitm' et c01ifel,te stl'iata, parum nitida, isabellina " spira conica, apiee obtusa; sutum levissime cl'enulata; anfr. 7 tUl'­gidi, summi lcevigati, ultimus spil'a paulo brevior, basi attenua­tus; columella stricta, abl'upte tl~tncata; apel'tu1'a vel·ticalis, sinuato-semiovalis, intus rubella; perist. simplex, aeutum.

Long. 30, diam. 12 mill. Hab. Juquila, Mexico (111. Boucard).

32. OLEACINA CONFERTA, Pfr. T. oblongo-ovata, tenuiuscula, conferte plicato-striata, pellucida, nitida, cerea; spira conic a, obtusula; sutum suhmarginata; aniI'. 8 convexiusculi, ultimus spiram vix superans; columella arcuata, basi late truncata; apertw'a subverticalis, acuminato-semiovalis; perist. simplex, margine dextro leviter antrorsum al'cuato.

Long. 25, diam. 10 mill. Hab. Juquila, Mexico (M. Boucard).

33. OLEACINA SACCATA, Pfr. T. ovato~oblonga, solidiuscula, fusco-cornea; spira convexo-conica, apice acut·iuscula; sutura filo marginata et conferte g1'anulata; anfi" 6t convexiusculi, superi01'es pticato-stl'iati et lineis minutissimis spil'alihus de­cussati, ultimus spi1'a bl'evi01', infra suturam modo plicatulus et decussatus, tum lcevigatus, basi saccatus; columella bl'evis, subtorta, late t1·uncata,. apel'tura subvel·ticalis, sinuato-ovalis, intus margaritacea; perist. simplex, margine dextro antl'Ol'sum subdilatato.

Long, 56, diam. 24 mill, Hab. In republica .1Equatoriali (Mr. Frasel').

34, OLEACINA DECIDUA, Pfr, T . .fusifo1'1nis, tenuis, stl'iatul(l" lineis impressis spil'alibus sub lente decussatula, nitida, albida, epidel'mide gl'iseo-comea, strigatim decidua variegata; spi1'a conica, obtusa; sutul'a vix 1na1'ginata; anfl'. 6 convexiusculi, ultimus spim1n subcequans, basi attenuatus; columella leviter

•

•

•

•

1861.] DR. L. PFEIFFER ON NEW LAND-SHELLS. 2i

,

arcuata, oblique tl'uncata j apertura pal'ltm obliqua, subsemi­ovalis; perist. simplex, margine dex tl'o l'egulal"iter arcuato.

Long, 28, diam, 1 L mill, H ab. J uq nila, Mexico (M. Boucal'd).

35. CYLINDRELLA MICROSTOMA, Pfr, T, subpelforata, cylin­dracea, lcevigata, Cl'etacea j spira sw'sum dilalata, in conU1n bl'evem acutiusculum desinens j sutm'a impl'eSSrt j anjr, 18 sub­plani, cequales, summi plicatuli, ultimus stl'iatus, antice solutus, dOl'SO cm'inatus, basi angulatus, angulo antrol'sum evanescente j apertw'a pal'vula, ve1,ticalis, subtl'iangulm'is j pel'ist, undique bl'eviter expansum.

Long. 15t, diam. 5 mill. Hab. ,?

36. CLAUSILIA OBESA, Pfr. T. m'cuato-l'imata, ventl'oso-fusi­jOl'mis, solidula, conjel'te stl'iata, sericina, cOl'neo-albida; spil'a ventl'osa, apice acutiuscula; sutura simplex; anfi', 10 con­vexiusculi, ultimus pone aperturam cl'ista obtusa valida mu­nitus; apertura subvel'licalis, pil'ifOl'mi-rotundata j lameZlce mediocl'es, convel'gentes; lunella al'cuata; plica palatalis I supera, subcolumellm'is conspicua; pm'ist. continuum, superne In'eviter solutum, intus albo-callosum.

Long. lol, diam, 4~ mill. Hab. In Dalmatia.

37. CLAUSILIA (BALEA?) TAYLORI, Pfr, (Pl. II. fig, 7). T.pl'O­junde l'imata, tU1'1'ita, solidula, cOl1j'el'te plicato-stl'iata, corneo­albida; spil'a regularitel' attenuata, apice acutiuscula j sutul'a simple.l'; anfi" II convexiusculi, ultimus basi vix attenuatus, infi'(J, medium obtuse cal'inatus, antice solutus" descendens et dorso acute cal'inatus j ape1'tw'a magna, obliqua, intus semici1'­cularis; lamellce obsoletce j plicce nullce; perist, continuum, un­dique late expansum.

Long, 47, diam. 8t mill. Localitas ignota.

38. SlMPULOPSIS CUMINGI, Pfr, (Pl. lIT. fig, 2). T, subglobosa, tenuissima, levite1' et il'1'egulw'ite1' plicatul a, p ellucida, vix niticla, vil'enti-cOl'nea; spi1'a minuta, in papillam minimam cle­sinens; anfi', 3, ultimus peril1.ftatus; columella 1'egulm'iter m'­cuata, simplex; ape1'tul'a obliqua, l'otundato-ovalis, intus niti­dissima; pel'ist, simplex, expansiusculum.

Diam, maj. 20t, min, 19i, alt. 12 mill. Hab. Mexico.

39. SU,1PULOPSIS lENEA, Pfr. T, conico-globosa, temtis, conjel'­tissime sl1'iata, pellucicla, ceneo-micans, oliva ceo-cornea ; spi1'a brevis, conica; anfl'. 2t, supel'us convexus, ultimus inflatus; !lpertu1'a cliagonalis, ovalis, intus niticlio1'; columella filaris j

, .

I~ •

28 DR. L. PFEIFFER ON NEW LAND-SHELLS. [Jan. 8,

pel'ist. simplex, Tectum, nzaT!Jinibus callo tenuissimo albirlo junctis.

Diam. maj. 9, min. 8, alt. 5t mill. Hab. La Parada, Mexico (M. Salle).

40. SUCCINEA SCALARINA, Pfr. T. ovato-conica, scalw'ina, so­lidiuscula, i1'1'e!Julw'iter 1'ugoso-plicata, nitidula, rubella; spira elongata, acutiuscula; anfi" 3t convexi, ultimus spiram paulo superans, basi subattenuatus; columella substricte 1'ecedens, cum per-ist. angztlum indistinctum formans; apertu1'a obliqua, ovalis, supeme '1.'ix angulata; perist. simplex, margine columel. lari superne rejlexiusculo.

Long. 13, diam. 7-!, alt. 5~ mill. Hab. King George's Sound, Australia.

41. PYTHIA WALLACH, Pfr. (PI. II. fig. 2). T. impmf01'ata, compresse ovato-aeuminata, solidiuscula, leviter sl1'iata, lutes­cens, punctis castaneis dense conspersa vel subunicolol' easta­nea; spira conica, acuminata, lateribus angulata, va1'icibus pallidis; sutw'a levis, indistincta; anfl'. 9-10 planiusculi, ulti. mus t longitudinis fe1'e fm'mans; apertum vix obliqua. angus­tissima; plicce parietales 3, suprema verticaliter descendens, angulatim retrojlexa, secunda magna, linguceformis, te1,tia mi­nuta, illi pamllela; plica columellw'is valida, torta, subad. scendens; perist. callo dentifero munitum (dentibus 2 majori­bus, tertio mimtfo), supeme simplex, tum expansum et tenuite1' rejlexum.

Long. 23, diam. maj. 14, min. 10 mill. Hab. Isle of Batcbian (Mr. Wallace).

42. CYCLOTUS SUBFLAMMULATUS, Pfr. T. umbilicata, tW'bi­nato-depressa, tenuiuscula, st1'iatula, nitida, lutescens; spira breviter conoidea; anfl'. 4 modice conv"1xi, supremi pallide 1'ufo-jlammulati, ultimus depl'esso-rotundatus, non descendens; umbilicus conicus, t diametl'i vix superans; apertura vix ob­liqua, subcirculw'is, intus margw'itacea; perist. duplex, inter­num vix pm'rectum, externum patens, supel'ne productum, latere columellari angusto.

Diam. maj. 17, alt. 8t mill. Hab. Isle of Batcbiau (Mr. Wallace).

43. CYCLOTUS BATCHIANENSIS, Pfr. (PI. III. fig. 1). T. late umbilicata, subdiscoidea, solida, oblique striatula et supeme lil·is spiralibus obsoletis notata, satw'ate fusca; spira vix pl'O­minula; anfr. 4 convexiuscuZi, supremi pallide jlammulati, ulti­mus depresso-l'otundatus, antice descendens; apel·tura diago­naZis, subangulato-1'otunda; perist. duplex, internum conti­nuum, subadnatum, latel'e dext1·o dilatatum, externum album, concentrice striatum, supeme valde productum, juxta anfr. con­tiguum subcompl'essum, latel'e dextl'o et basali expansis, colu­mellari angusto.

Diam. 23, alt. 8t mill. Hab. Isle of Batcbian (M1" Wallace).

•

1861.] DR. L. PFEIFFER ON NEW LAND-SHELLS 29

44. CYCLOPHORUS PAPILlO, Pfr. T. sublate umbilicata, con­vexo-depressa, solida, stl'iata, alba, maculis castaneis sagit­tceformibus et fascia subcontinua infra peripheriam ornata; sph'a convexa, ootu8ula,' 8utura distinctefilomarginata; anfr. 5 convexi, ultimus basi albus; apertum fere diagonalis, subch'­cularis; perist, duplex: internum continuum, brevitel' adnatum, externum supel'ne dilatatum et subinjlexum, latere dextro et sinistl'o patens.

Diam, maj, 25, min. 20, alt. 13 mill. Localitas ignota.

45. LEPTOPOMA PULICARIUM, Pfr, (PI. III, fig, 7), T,pel/orata, globoso-tw'binata, tenuiuscula, striis spiralibus confertissirnis undulatis sculpta, carnea, punctis 1'ufulis (interdum fulgumtim conjluentibus) dense conspel'sa,' spim tUl'binata, apice acu­tiuscula, cornea; an.fr, 5 convexi, ultimus injlatus; apertura obliqua, ovali-subcircula1'is; pel'ist, album, tenue, breviter sub­interruptum, margine dextro cequalitel' patente, sinistl'o medio dilatato, l'ejlexo,

Diam. maj, 15, min, 1~, alt, 12 mill. Bab. Isle of Batchian (Ml'. TVallace).

46, LEPTOPOMA GLOBULOSUM, Pfr. (PI. III, fig. 9). T. per/o-1'ata, conico-globosa, tenuiuscula, stl'iis spil'alibus confer tis­simis sculpta, albida, 8el'iebus nonnullis macularum fusca1'um cincta; spira tU1'binata, acutiuscula; anfr, 4 ~ convexi, ultimus valde il1jlatus; apertura parum oblifjua, multo alti01' quam lata; pel'ist. album, vix inte1'1'uptum, margine dextl'o cequaliter pa­tente, sinistl'o medio subdilatato, 1'ejlexo.

Diam. maj. 13t. min. 11~, alt. 10~ mill.

p. Albidum, maculis magnis castaneis irregulal'ite1' pictum, lil'is nonnullis filaribus superne sculptum.

Hab. Isle of Batchian (Ml·. Wallace) .

47. LEPTOPOMA DECIPIENS, Pfr. (PI. III. fig. 10). T. perforata, globoso-conica, subcarinata, tenuiuscula, sub epidel'mide olivaceo­fusca squamosa albida, nitida,' spira elevato-conica, apice acu­tiuscula, aw'antiaca; anfr. 6 convexiusculi, oblique striati et li1'is filiformibus subl'emotis cincti; apeJ'lU1'a diagonalis, lunato­ovalis; perist. album, interruptum, mW'gine dext1'o descendente, patente, sinistro superne sinuato, tum vix dilatato.

Diam. maj. lIt, min. 10, alt. 10 mill. Bab. Isle of Batchian (Mr. Wallace).

,

•

The following text is generated from uncorrected OCR.

[Begin Page: Page 20]

20 DR. L. PFEIFFER ON NEW LAND-SHELLS. [Jan. 8, G. Descriptions of Forty-seven New Species of Land- shells, FROM the Collection of H. Cuming, Esa. By Dr, L. Pfeiffer. (Plates II. & III.) 1. Helix trochiscus, Pfr. T. imperforata, conica, soUdula, IcBvigata, nitidisshna, pellucida, cornea ; spira convexo-conica ; sutura submarginata : anfr. a\ convexiusculi, ultwius rotun- daius, non descendetis ; apertura subverticalis, lunaris ; perist. simplex, rectum, marginibiis remotis, columellari brevi, sub- stricto, calloso-subincrassato. Diam. maj. .5, miii. 4^, alt. 4^ mill. Eab. Siam (3f. Mouhot). 2. Helix ignescens, Pfr. (PI. II. fig. 1). T. suhperforata, glo- hoso-depressa, vitrinoidea, tenuis, striatula et striis impi'essis spiralibus sub lente decussatida, ptelliicida, nitidissima, corneo- ignescens ; spira parum elevata ; anfr. A\ rapide accrescentes,

convexiusculi, ultimus ventrosus,non descendens ; apertura fere diagonalis, rotundato-lunaris ; perist. simplex, rectum, margi- nibiis vix conniventibus, dextro antrorsum subarcuato, columel- lari arcuato-declivi, filari, superne anguste refexo. Diam. maj. 27 \, min. 23, alt. 15 mill. Hab. Isle of Batchian, Moluccas (3fr. Wallace). 3. Helix subcornea, Pfr. T. subclause perforata, depressa, tenuis, laevigata, albido-cornea ; spira vix conoideo-elevata, ver- tice subtili ; sutura filo marginata ; anfr. 7^ convexiusculi, ultimus vix latior, basi convexior ; apertura verticalis, auri- formi-lunaris ; perist. simplex, rect%im, margine columellari longe declivi, subincrassato. Diam. maj. 13f, min. 12^, alt. C mill. Hab. Siam {M. Mouhot)". 4. Helix c.«sia, (Nanina) Pfr. T. perforata, depressa, tenuis, pellucida, corneo-grisea, superne striatula, 2:)arum nitens, sub lente lineis spiralibus sculpta, subtus radiato-striata, nitidior ; sj)ira breviter conoidea, vertice subtili; sutura levis ; anfr. 6 j)laniusculi, regulariter accrescentes, ultimus medio subcarina- tus, basi convexiuseulus ; apertura obliqua, late lunaris ; perist. simplex, rectum, marginibus remotis, columellari declivi, ad in- sertionem vix dilatato.

Diam. maj. 17, min. 15^, alt. 8 mill. Hab. Admiralty Islands. 5. Helix faradensis, Pfr. T. anguste umbilicata, depresso- turbinata, solidula, superne arcuato-striata, lineisque spiralibus sub lente conspicuis scuJpta, lutescenti-cornea ; spira conoidea, vertice minuto ; anfr. 7) convexiuscidi, ultimiis latus, rotundatus, suhtus radiato-striatus, nitidior; apertura obliqua, rotundato-

[Begin Page: Plate II]

PIS. 1861. Plate 11. G.B.Sowerby, liih Ifincent&ooks Jmp , 1 Helix ignescens . 2 .Pythia wallacii. 3 . Limicolana turns . 4. Helix nodifera, 5, H batchianensis. 6. Helix rhyiicosLoma. 7. Clausilia taylon . S.Orthalicus mars.

[Begin Page: Blank]

^^ *.y>..^ ^

[Begin Page: Plate III]

P.Z.S 186] Plate III '• B.Sowerbv, lilK. Vincral Brooks. ]nip l-Cyclotus batchianensis. 2.Sim.pulopsi3 cummgi . 3. Helix atro-fusca. 4.Bulimus hepalostomus. ' SBulimus pan. 6.Ach.aUna. planU. y.IepLopoma pulicaruim , 8 Helix expaxisa. 9 Leptopoma globulosum 10 1. decipiens

[Begin Page: Blank]

[Begin Page: Page 21]

If\ 1861.] DR. L. PFEIFFER ON NEW LAND-SHELLS, 21 lunaris, intus suhmargarifMcea ; perist. simplex, rectum, maV' ginibus vix convergentihus, columellari superne siibdilatato. Diam. maj. 20, min. 17, alt. 12 mill. Eab. Parada, Mexico (3/. Salle).

C. Helix carmeliensis, Pfr. T. anguste umbilicata, depressa, tenuis, sublcemgata, pellucida, cornea, rufo indistincte radiata ; spira convexa; anfr. 4^ convexiusculi, lenfe accrescentes, ulti- mus rotundatus, non descendens ; apertura oblitpia, lunaris ; perist. simplex, rectum, marginibus distantibus, columellari superne vix dilatato, Diam. maj. S^ min. 3, alt. vix 2 mill. Hab. Mount Carmel. 7. Helix gassiesi, Pfr, T. umbilicata, discoidea, carinata, tenuis, arcuato-striata et lineis impressis obliquis sub lente de- cussatula, nitida, lutescens,flammis crebris castaneis fulgurata ; spira immersa; anfr. 4 convexiuscidi, rapide accrescentes, idti- mus magnus, utrinque convexior, medio subacute carinatus ; apertura obliqua, subtriangulari-lunaris ; perist. simplex, acu- tum, marginibus conniventibus. Diam. maj. 8^, min. 7\, alt. 3 mill. Hab. Erumanga, New Hebrides {Mr. Turner). 8. Helix batchianensis, Pfr. (PI. II. fig. .5). T. angnstissime umbilicata, conoidea, solida, oblique striata, fusca ; spira con- vexo-eonoidea, apice acutiuscida ; sutura levis, carinato-mar- ginata ; anfr. 7, supremi plani, sequentes convexiusculi, ultimus carinatus, non descendens, basi profunde excavatus ; apertura diagonalis, rotundato-lunaris ; perist. rectum, marginibus di-

stantibus; dextro subsimplici, basali incrassato, ad insertionetn fiexuose ascendente. Diam. maj. 20^ min. 181 alt. 11| mill. /3. Major, anfr. 81 ultimo infra carinam prcecedentis recedente. Diam. 231, alt. 14 mill. Hab. Isle of Batchian (Mr. Wallace). 9. Helix rhynchostoma, Pfr. (PI. II. fig. 6). T. anguste umbilicata, trochiformis, acute carinata, tenuiuscula, striatula et sub lente mimitissime granulata, cornea, fasciis 2 rufis, altera supera, altera latiore basali ornata ; spira conica, obtusiuscula ; sutura carinato-marginata ; anfr. 6 subplani, lente accrescentes, ultimus antice vix descendens, basi subplayms ; apertura j^er- obliqua, subtriangidaris ; perist. tenue, marginibus distatitibus^ supero vix expanso, ad dextram in rostrum rejlexo, basali bre- viter reflexo, columellari dilatato, umbilicum occidtante. Diam. maj. 2.5, min. vix 22, alt. 1 / mill. Hab. Isle of Batchian {Mr. JFallace). 1^ 10. Helix nodifera, Pfr. (PI. II. fig. 4). T. umbilicata, tro- chiformis, carinata, tenuiuscula, striatula, diaphana, pallida lu-

[Begin Page: Page 22]

\' 22 DR. li, PFEIFFER ON NEW LAND-SHELLS. [Jan. 8, tescens ; spira conoidea, apice acutiuseula ; sutura levis ; avfr. 5 convexiusculi, nlthmis non descendens, medio acute albo-cnri- natus, zit}-inepie convexior ; apertura diac/oncdis, subrhomhea ; perist. late expansuin, marginibus subparallelis, cohimellari supra nmbilicum angustum fornicatim rejlexo, intus nodido cir- cumscripto munito. Diam. maj. 30, min. 24, alt. 18 mill. Hab. Isle of Batchian {Mr. Wallace). 11. Helix occulta, Pfr. T. anguste umbilicata, globoso-de- pressa, tenuis, sub lente undique tenuissime granulata, fuscula; spira vix elevata ; anfr. 4 convexiuscidi, ultimus latus, antice dejlexus et subconstrictus, basi ventrosior ; apertura magna, obliqua, lunato-ovalis ; ^3e?7"5#. albo-callosum, marginibus ap- proximatisy dextro expanso, basali rejlexo, supra umbilicum di- latato. Diam. maj. 12, min. 10, alt. 7 mill. Hab. Aru Islands (3/;-. Wallace). 12. Helix atrofusca, Pfr. (PI. III. fig. 3). T. umbilicata,

depressa, tenuiuscula, conferte striata, atro-fusca, fascia unica suturali luteseente ornata ; spira conoideo-convexa, vertice corneo ; anfr. 4g convexi, rapide accrescentes,^dtimus depresso- rotundatus, antice leviter descendens, circa umbilicum mediocrem excavatus ; apertura ampla, diagonalis, lunato-ovalis, intus margaritacea, coloribus perlucentibus ; perist. album, late ex- pansum et refiexiusculum, marginibus convergentibus, columellari superne dilatato, tunc intus tuberculo rotundato munito. Diam. maj. 32, min. 25, alt. 15 mill. Hab. Isle of Batchian {Mr. Wallace). 13. Helix expansa, Pfr. (PI. III. fig. 8). T. umbilicata, de- pressa, tenuis, striatula, superne vix nitidula, carnea, antror- sum cinnamomea ; spira plana, subimmersa ; anfr. 4 convexius- culi, rapide accrescentes, ultimus magnus, depresso-rotundatus, antice vix descendens, subtus distinctius striatus, albidus, niti- dus, j)one aperturam gihboso-inflatus et constrictus ; apertura ampla, perobliqiia, lunato-circularis ; ^lerist. tenue, marginibus convergentibus, dextro horizontaliter abeunte, late expanso, basali reflexo. Diam. maj. 22, min. 17i, alt. 10 mill. Hab. Isle of Batchian {Mr. Wallace). 14. Helix leucotropis, Pfr. T. anguste umbilicata, depressa, solidula, conferte striatula, nitidula, carnea ; spira breviter conoidea ; sutura albo-marginata ; anfr. 4^ convexiusculi, idti-

mus carina compressa, acuta, alba munitus, antice vix descen- dens, basi convexior; apertura obliqua, subrhombeo-lunaris ; perist. tenue, marginibus convergentibus, supero breviter ex- panso, basali rejlexo, ad insertionem dilatato. Diam. maj. 18, min. 15, alt. 8 mill. Hab. Aru Islands {Mr. Wallace).

[Begin Page: Page 23]

1861.] DR. L. PFEIFFER ON NEW LAND-SHELLS. 23 15. Streptaxis sinuosa, Pfr. T. profunde arcuato-rimata, oblique oblonga, tenuiuscula, IcBvigata, nitida, vitreo-albida ; sjnra subconoidea, vertice valde exeentrico, miniito ; anfr, 5| convexiusculi, ad suiuram striatuU, jjeniiltimiis gibbosus, %dti' mus antrorsum aberrans, loco •umbilici profunde excavatus ; apertura diagonalis, late lunaris, lamina jiarva lingucBformi parietali coarctata ; perist, jlexuosum, callosum, reflexum,mar' gine dextro superne tenui, sinuoso. Diam. maj. 8g, min. 65, alt. 5 mill. Hub. Cochin China. 16. Streptaxis eburnea, Pfr. T. oblique perforata, suhglo- bosa, superne minute striata, eburneo-albida ; spira convexo' conic a ; anfr, 6^ pariim cotivexi, \^tdtimi antrorsum deviantes, ultimus biflatus, Icevigatus ; apertura perobliqua, subtriangu-

lari-lunaris, dente linguceformi parietali coarctata ; jjerist. cal- losum, album, expansum ef reflexum, margine supero intus dente 1 acuta munito. Diam. maj. 11, min. 9, alt. 7 mill. Hab. Cochin China. 17. BuLiMUS PAN, Pfr. (PI. III. .fig. 5). T. perforata, conico-> ovata, solida, IcBvigata, nitida, alba, fasciis nigro-castaneis ornata ; spira conica, sursum fulvicans, apice obtusa ; anfr. 5^ planiusculi, ultitnus sinra brevior, medio carinatus (carina antice evanescente), basi rotundatus ; apertura subverticalis, trujicato-ovalis ; perist. tenue, margine dextro superne sinuate, turn sublate patente, columellari stride ascendente, fornicatim rejlexo. Long. 30, diam. 16 mill. Hab. Philippine Islands. 18. BuLiMus HEPATOSTOMUS, Pfr. (PI. III. fig. 4). T. perfo- rata, subfusiformi-oblonga, solidula, sublcBvigata, alba, strigis sparsis fuscis signata ; spira conica, acutiuscula ; sutura sub- marginata; anfr. 6 modice convexi, ultimus spiram paulo supe- ratis, basi subattenuatus ; columella verticalis, stricta ; aper- tura vix obliqua, oblonga, intus hepatica, nitida ; perist. album, mai-gine dextro breviter expanso, columellari piano, late rejlexo. Long. 32, diam. 13 mill. Hab. Mexico {M. Boucard).

19. BuLiMUS lODOSTYLUS, Pfr. T. perforata, oblong o-conica, solidula, rugoso-striata et lineis imjiressis obliquis minute sub- granulata, alba subunicolor vel strigis rufis et castaneis irregu- lariter picta ; spira conica, vertice acuto ; anfr. 6 convexius- culi, ultimus spiram vix siqjerans, basi subattenuatus ; colu- mella substricta, lilacina ; apertura parum obliqua, oblonga ; perist. breviter expansum, margine columellari sursum dilatato, rejlexo. Long. 30, diam. 12 mill. Hab. Mexico (M. Boucarct),

[Begin Page: Page 24]

§^^ 105'' 24 DR. L. PFEIFFER ON NEW LAND-SHELLS. [Jan. 8, 20. BuLiMVS DEMERARENSis, Pfr. T. perforata, ovato-tur- rita, soUdula, striatula, sub lente indistinct e decussatula, opaca, albida, strigisfnscisirreguJariter notata; spira elongato-conica, acutiuscula ; anfr. 6 i:iarum convexi, nltimus \ lovgitvdi7ns superans, subangulatus {angulo antice evanescente) ; apertura obliqua, truncato-ovalis ; perist. breinter expansum, margins columellari arena to, stipeme fomicatim refiexo. Long. 20y, diam. 10 mill.

B.uh. Demerara. 21. BuLiMTJS niloticijS, Pfr. T. subperforata, inflato-ovata, solida, fuscula, saturate castaneo irregidariter radiata ; spira brevis, conica, apice acufiuscida ; anfr. 6 coyivexi, summi Icevi- nati, sequentes minute decussati, vltimv.s fere | longitudinis formans, infatus, subplicafus et lineis remotioribns spiralibus subclathratiis ; apertura vix obliqua, ovalis, intus margaritacea; perist. roseuni, marginibus callo crasso junctis, dextro subin- crassato, striata, sv.perne subrepando, columellari crasso, sub- stricto, basi angidum indistinctum cum basali formante. Long, lis, diam. 60 mill. Hah. Ad fontes Nili Albi {Mr. Petherick). 22. BuLiMXJS PYRGiscTJS, Pfr. T. subperforata, turrita, soU- dula, levissirne striata, albida; spira elongata, apice acutius- cula; sutura profunda ; anfr. 9 convexiusculi, rdtimus ^ longi- tudinis cequans, basi non attetiuattis ; columella levissime ar- cuata; apertura vix obliqua, angulato-ovalis ; j)eri^t. simplex, rectum, margine columellari breviter refiexo, subadnato. Long. 13, diam. 3 mill. Hab. Sandwich Islands. 23. BuLiMUS Dt'X, JPfr. T. subobtecte perforata, ovato-conica, solida, irregulariter striata, pallide carnea ; spira conica, acu-

tiuscula ; sutura marginata ; anfr. 6 vix convexiusculi, infra suturam striis spiralibus nonnullis distinctis, pluribusque obso- letis sculpti, ultimus spiram paulo superans, subventrosus, basi rotundatus ; apertura subverticalis, angulato-ovalis, intus roseo- carnea, nitida ; perist. simplex, rectum, marginibus callo rosea 7iitido junctis, cohanellari lilacino-roseo, fomicatim refiexo, sub- adnato. Long. 51, diam. 26 mill. Hab. King George's Sound, Australia. 24. Spiraxis boucardi, Pfr. T. ovato-oblonga, tenuis, leevigata, nitida, olivaceo-fusca vel rubello-cornea ; spira convexo-conica, obtusula ; sutura levis ; anfr. 6 planiusculi, nltimus antice de- scendens, ^ longitudinis forynans, basi rotundatus ; lamina colu- mellaris funiculata, torta, 7ion truncata ; apertura verticalis, anguste sinuato-semiovalis ; perist. stjnplex, margine dextro me- dio antrorsum subdilatato. Long. 17, diam. 7 mill. Hab. Juquila, INIexico (3/. Boucard).

[Begin Page: Page 25]

1861.] DR. L. PFEIFFER ON NEW LAND-SHELLS. 25

25. LiMicoLARiA TURRis, Pfr. (PI. II. fig. 3). T. anguste um- hilicata, ovato-turrita, tenumscula, conferte striata, striis spiralibus paido distantioribus gramdato-deeussata, pallida straminea unicolor vel strigis et jlammis rnfis variegata ; spira turrit a, apice obtusula ; anfr. 10 modice convexi, ultimiis -4 longitudinis subcequans, ad svturam interdum impresso-margi- natus et crenatus, juxta mnbiliciim subcompressus ; columella leviter arcuata, ccerulescens ; apertura sxibverticalis, oblonga, bast subeffusa, intus margaritacea ; perist. sijnjilex, rectum^ margine columellari sursum dilatato, fornicatim refiexo. Long. 11-4, diam. 13 mill. Hah. Ad fontes Nili Albi {Mr. Petherick). 26. Orthalicus mars, Pfr.' (PI. II. fig. 8). T. imperforata, oblongo-conica, solida, sublcevigata, carnea, livido-nebidosa ; spira conica, vertice obtuso ; sutura cremdata ; anfr. 7 modice convexi, medio griseo-violaceo marmorati, ultimus f longitudinis subcBquans, antice rugoso-striatits j columella nigra, callosa, torta et plicata ; apertura ohliqua, ovalis,fundo margaritaceo- alba : perist. rectum, obtusum, intus nig%-o-limbatum, margini- bus callo nigra intrante junctis. Long. 77, diam. 35 mill. Hab. In republica iEquatoris (Mr. Fraser). 27. AcHATiNA SEMIGRANOSA, Pfr. T. ovato-tmrita, tenuius-

cula, lutescens, Jlammis castaneis fulguratis ornata ; sjnra conica, obtusa ; anfr. 7 modice conve.vi, sujjeriores distincte seriatim gramdati, ultimus spiram subcequans, infra medium minutissime decussatus, seriebus granulorum destitutus; colu- mella alba, parum torta, late truncata ; apertura vix obliqua, angulato-subelliptica ; perist. simplex, acutum. Long. 77, diam. 34 mill. Hab. Cape Natal {Mr. Plant). 28. AcHATiNA pLANTi, Pfr. (PI. III. fig. 6). T. turrito-oblonga, solidula, carneo-albida, fuscula et castaneo irregulariter ma- culata et flammata ; spira ovato-conica, apice rotundata ; su- tura subcrenata; anfr. 9 convexiuscidi, summi minute granu- lato-decussati, 2 ultimi prope suturam gramdati, turn subdi- stanter plicatuli, ultimus spira brevior, bast subattemiatus ; columella levissime recedens, basi oblique truncata; apertura obliqua, angulato-ovalis ; perist. simplex, rectum, marginibus callo saturate castaneo, introrsum diffusa, junctis. Long. 134, diam. 47 mill. Hab. Cape Natal {Mr. Plant). 29. AcHATiNA FOXCROFTI, Pfr. T. cylindrico-turrita, solidida, irregulariter striatula, sub epidermide cornea decidua albida ; spira superne turrita, apice obtusa, turn cylindracea ; sutura subcrenulata ; anfr. 1 2^ convexiusculi, ultimus i longitudinis vix (Bquans, basi rotundatus ; columella antrorsum arcuata, di-

[Begin Page: Page 26]

26 DR. li. PFEIFFER ON NEW tANDSHELLS. [Jan. 8, stincte et anguste truncata ; apertura obliqua, ovalis ; perist, simplex, rectum. Long. 3->, diani. fii mill. Hub. Sierra Leone {Mr. Foxcroft). 30. Oleacina multispira, Pfr. T, ovato-turrita, tenuis, stria- tula, nitida, cornea, strigis indistiactis pallidis irregulariter notata ; spira convexiusculo-tun-ita, apice acuta ; sutura crenu- lato-marginata : anfr. 10 planiusculi, in/)-a suturam plicatuli, ultimus spira brevior, hasi rotundatus ; columella brevis, ad basin aperturce oblique truncata; apertura subverticalis,sinuato- semiovalis ; perist. simplex, margine dextro fere angidatim an- trorsum dilatato. Long. 25, diam. 9| mill. Hab. Juquila, Mexico {M. Boucard). 31. Oleacina turgida, Pfr. T. subfusiformi-ovata, soUdius- cula, leviter et conferte striata, parum nitida, isabellina; sinra conica, apice obtusa ; sutura levissitne crenidata ; anfr. 7 tur- gidi, summi IcBvigati, ultimus spira j)aulo brevior, basi atteiiua-

tus ; columella stricta, abrupte truncata; apertura verticalis, sinuato-semiovalis, intus rubella ; perist. simplex, acutum. Long. 30, diam. 12 mill. Hab. Juquila, Mexico (M. Boucard). 32. Oleacina conferta, Pfr. T. oblong o-ovata, tenuiuscula, conferte plicato-striata, pellucida, nitida, cerea ; spira conica, obtusula ; sutura submarginata ; anfr. 8 convexiusculi, ultimus spiram vix superans ; columella arcuata, basi late truncata ; apertura subverticalis, acuminato-semiovalis ; perist. simplex, margine dextro leviter antrorsum arcuata. Long. 25, diam. 10 mill. Hab. Juquila, Mexico (31. Boucard). 33. Oleacina saccata, Pfr. T. ovato-oblonga, solidiuscula, fusco-cornea ; spira convexo-conica, apice acutiuscula ; sutura filo marginata et conferte gramdata ; anfr. 6^ convexiusculi, superiores plicato-striati et lineis minutissimis spiralibus de- cussati, ultimus spira brevior, infra suturam modo plicatulus et decussatus, turn leevigatus, basi saccatus ; columella brevis, subtorta, late truncata ; apertura subverticalis, sinuato-ovalis, intus margaritacea ; perist. simplex, margine dextro antrorsum subdilatato. Long. 56, diam. 24 mill.

Hab. In republica iEquatoriali {Mr. Fraser). 34. Oleacina decidua, Pfr. T. fusiformis, tenuis, striatula, lineis impressis spiralibus sub lente decussatula, nitida, albida, epidermide griseo-cornea, strigatim decidua variegata ; spira conica, obtusa; sutura vix marginata ; anfr. 6 convexiuscidi, ultimus spiram subcequans, basi attenuatus ; columella leviter

[Begin Page: Page 27]

1861.] DR. L. PFEIFFEK ON NEW LAND-SHELLS. 27 arcuata, oblique truneata ; apertura parum ohliqua, suhsemi- ovalis ; lierist. simplex, margine dextro regulariter arcuato. Long. 28, diam. 1 1 mill. Ilab. Juquila, Mexico {M. Boucard). 35. Cylindrella microstoma, Pfr. T. suhperforata, cyliu' dracea, laevigata, cretacea ; spira sursum dilatata, in conum brevem acutiuscidum desinens ; sutura impressa ; anfr. 18 sub- plani, cequales, sunwii plicatuli, ultimus striatus, antice solutus, dorso earinatus, basi angxdatus, angulo antrorsum evanescente ; apertura parvula, verticalis, subtriangularis ; perist. undique breviter expansum.

Long. 15^, diam. 5 mill. Hab. ? 36. Clausilia obesa, Pfr. T. arcuato-rimata, ventroso-fusi- formis, solidula, conferte striata, sericina, corneo-albida ; spira ventrosa, apice acutiuscula ; sutura simplex; anfr. 10 con- vexiusculi, ultimus pone aperturam crista obtusa valida mu- nitus ; apertura subverticalis, piriformi-rotundata ; lamellce mediocres, convergentes ; lunella arcuata ; plica palatalis 1 supera, siibcolumellaris conspicua ; perist. continuum, stiperne breviter solutum, intus albo-callosum. Long. 14, diam. 4| mill. Hab. Li Dalmatia. 37. Clausilia (Balea?) taylori, Pfr. (PI, II. fig. 7). T.pro- funde rimata, turrita, solidula, conferte plicato-striata, corneo- albida ; spira regidariter attemiata, apice acutiuscida ; sutura simplex; anfr. 11 convexiuscidi, xdtimus basi vix attenuatus, infra medium obtuse earinatus, antice solutus, descendens et dorso acute earinatus ; apertura magna, obliqua, intus semicir- cularis ; lamellce obsoletce ; plicae nullce ; perist. continuum, un- dique late expansum. Long. 47, diam. 8^ mill. Localitas iguota. 38. SiMPULOPSis cuMiNGi, Pfr. (PI. in. fig. 2). T. suhglobosa,

tenuissima, leviter et irregidariter plicatxda, pellucida, vix nitida, virenti-cornea ; spira tnitiuta, in papillam minimum de- sinens; anfr. 3, ultimus perinjlatus ; columella regidariter ar- cuata, simplex ; apertura obliqua, rotundato-ovalis, i)itus 7iiti- dissima ; perist. simplex, expansiuscidum. Diam. maj. 201 min. 19^, alt. 12 mill. Hab. Mexico. 39. SiMPULOPSis jENEa, Pfr. T. conico-globosa, tenuis, confer- tissime striata, pellucida, ceneo-micans, olivaceo-cornea ; spira brevis, conica ; anfr. 2^, superus convexus, idtimus inflatus ; apertura diagonalis, ovalis, intus nitidior ; columella filaris ;

[Begin Page: Page 28]

28 DR. L. PFEIFFER ON NEW LAND-SHELLS. [Jail. 8, perist, simplex, rectum, marginibus callo tenuissimo albido junctis. Diam. maj. 9, min. 8, alt. h\ mill. Hah. La Parada, Mexico {M. Salle). 40. SucciNEA SCALARINA, Pfr. T. ovato-conictt, scalarina, so- lidiiisctila, irreffulariter rugoso-plicata, nitidula, rubella ; spira elongata, acutiuscula ; anfr. 3^ convexi, ultimus spiram paulo superans, basi subattenuatus ; columella substricte recedens,

cum perist. angulum indistinctum formans ; apertura obliqua, ovalis, superne vix angulata ; perist. simplex, margine columel- lari superne rejlexiusculo. Long. 13, diam. 7\, alt. 5^ mill. Hab. King George's Sound, Australia. f^Yn 41. Pythia wallacii, Pfr. (PI. II. fig. 2). T. imperforata, compresse ovato-acuminata, solidiuscula, leviter striata, lutes- cens, punctis castaneis dense conspersa vel subunicolor casta- nea ; spira conica, acuminata, lateribus angulata, varicibus pallidis ; sutura levis, indistiiicta ; anfr. 9-10 pla7iiusculi, ulti- mus "I longitudinis fere formans ; apertura vix obliqua, angus- tissima ; plicce parietales 3, suprema verticaliter descendens, angulatim retroflexa, secunda magna, linguceformis, tertia ini- nuta, illi parallela ; plica columellaris valida, torta, subad- scendens ; perist. callo dentifero munitutn {dentibus 2 majori- bus, tertio minuto), superne simplex, turn expansum et tenuiter rejlexum. Long. 23, diam. maj. 14, min. 10 mill. Hab. Isle of Batchian {Mr. Wallace). 42. Cyclotus subflammulatus, Pfr. T. umbilicata, turbi- nato-depressa, tenuiuscida, striatula, nitida, liitescens ; spira breviter conoidea ; anfr. 4 modice convexi, supremi pallide rufo-flammulati, ultimus depresso-rotundatus, non descendens;

umbilicus conicus, ^ diametri vix superans; apertura vix ob- liqua, sub circular is, iritus margaritacea ; perist. duplex, inter- num vix porrectum, externum patens, superne productuin, latere columellari angusto. Diam. maj. 17, alt. 8| mill. Hab. Isle of Batchiau (Mr. Wallace). 43. Cyclotus batchianensis, Pfr. (PI. III. fig. 1). T. late umbilicata, subdiscoidea, solida, oblique striatula et superne liris spiralibus obsoletis notata, saturate fusca ; spira vix pro- minula ; anfr. 4 convexiusculi, supremi pallide flamimdati, ulti- mus depresso-rotundatus, antice descendens ; apertura diago- nalis, subangidato-rotunda ; perist. duplex, internum conti- nuum, subadnatum, latere dextro dilatatum, externum album, concetitrice striatum, superne valde productum, juxta anfr. con- tiguum subcompressum, latere dextro et basali expansis, colu- mellari angusto. Diam. 23, alt. 8i mill. Hab. Isle of Batchian {Mr. Wallace).

[Begin Page: Page 29]

1861.] DR. L. PFEIFFER ON NEW LAND-SHELLS 29

44. Cyclophorus papilio, Pfr. T. suhlate umhilicata, con- vexo-depressa, solida, striata, alba, maculis castanets sagit- tceformihus et fascia subcontinua infra peripheriam ornata ; spira convexa, ohtusula ; sutura distincte filomarginata ; anfr. 5 convexi, ultimus basi albus ; apertura fere diayonalis, subcir- cularis ; perist. duplex : internum continuum, breviter adnatum., externum superne dilatatum et subinjlexum, latere dextro et sinistra patens. Diam. maj. 25, min. 20, alt. 13 mill. Localitas ignota. 45. Leptopoma PULiCARiuM, Pfr. (PL III. fig. 7). T. perforata, globoso-turbinata, tenuiuscula, striis sjnralibus confertissimis undulatis sculpta, carnea, punctis rufulis {interdumfulguratim conjluentibus) dense cojispersa ; spira turbinata, apice acu- tiuscula, cornea; anfr. 5 convexi, ultimus hiflatus ; apertura obliqua, ovali-subcircidaris ; perist. album, tenue, breviter sub- interruptum, margine dextro cequaliter patente, sinistra inedio dilatato, reflexo. Diam. maj. 15, min. 12, alt. 12 mill. Hab. Isle of Batchian {Mr. Wallace). 46. Leptopoma globulosum, Pfr. (PI. III. fig. 9). T. perfo- rata, conico-globosa, tenuiuscula, striis spiralibus confertis- simis sculpta, albida, seriebus nonmdlis macularum fuscarum cincta ; spira turbinata, acutiuscula ; anfr. A\ convexi, idtimus

valde inflatus; apertura parum obliqua, multo altior quam lata; perist. album, vix i)iterruptum, margine dextro cequaliter pa- tente, sinistra media subdilatato, reflexo. Diam. maj. 13^^, min. 11|, alt. 10 j mill. /3, Albidum, tnaculis magnis castaneis irregulariter pictmn, liris nonnull is filar ibus superne scidptum. Hab. Isle of Batchian {Mr. Wallace). 47. Leptopoma decipiens, Pfr. (PI. III. fig. 10). T. perforata, globoso-conica, subcarinata, tenuiuscida, sub epidermide olivacea- fusca squamosa albida, nitida ; spira elevato-conica, apice acu- tiuscula, aurantiaca ; anfr. 6 convexiusculi, oblique striati et liris filiformibus subremotis cincti ; apertura diagonalis, lunato- ovalis ; perist. album, interruptum, margine dextro descendente, patente, sinistra suj)erne sinuato, tum vix dilatato. Diam. maj. Ill min. 10, alt. 10 mill. Hab. Isle of Batchian {Mr. Wallace).