123 



November 25, 1845. 



Williani Horton Lloyd, Esq., in the Chair. 



A paper Tvas read containing " Descriptions of fourteen new spe- 

 cies of Hclix, belonging to the coUection of H. Cuming, Esq.," by 

 Dr. L. PfeifFer :— 



1. Helix albocincta, Pfr. Hel. testu umhiUcatd, orbicuhtto-con- 

 vexd, tenuiusculd, superne regulariter et confertim striatu, sericind, 

 fulvo-corned, carinatd ; spird depresso-cotūcd, apice obtiiso; an- 

 fractibus 5y convexis, carind albd cinctis, nltimo basi sublcevigaio, 



lineis subtilibus, coiicentricis notato ; umbilico mediocri, pervio ; 



aperlurd obligud, angulato-lunari ; peristomate sunplice, acuto. 

 Diam. 11, alt. 5 mill. 

 Collected by Mr. Cuming at Himamaylan, island of Negros. 



2. Helix Boholensis, Pfr. Hel. testd imperforatd, depressd, len- 

 ticulari, acute carinatd, tenui, corneo-albidd ; spird convexiusculd ; 

 anfractibus 7 planulatis, regulariter confertim striatis, juxta ca- 

 rinam lineis 2 acute elevatis approximatis cinctis, ultimo basi con- 

 vexiusculo, striatulo, medio vix impresso, a?itice non descendcnte ; 

 aperturd verticali, depressissimd, late angulato-lunari; peristo- 

 mate simplice, acuto, margine supero brevissimo. 



Diam. 14, alt. 6 mill. 



Var. minor, anfractibus 6į. Diam. 10, alt. 4 mill. 



Collected by Mr. Cuming at Loboc, island of Bohol. 



3. Helix cyathūs, Pfr. Hel. testd umbilicatd, orhiculato-conicd, 

 superne arcuatim costulato-striatd, unicolore fuscd ; spird elevatd, 

 obtuse conicd ; suturd distinctd, crenulato-marginatd ; anfractibus 

 65 convexiusculis , ultimo carinato, basi sublcevigato, planiusculo ; 

 umbilico magno, profundo, cyathiformi ; aperturd subverticali, 

 angulato-lunari ; peristomate simplice, margine supero recto, basali 

 arcuato, reflexiusculo, columellari breviter descendente. 



Diam. 8, alt. 4^ mill. 



CoUected by Mr. Cuming at S. Jaun, province of Cagayan, island 

 of Luzon, on the leaves of trees. 



4. Helix dubiosa, Pfr. Hel. testd imperforatd, depresso-globosd, 

 tenui, obsolete malleatd, fulvd, fascid suturnli et ared columellari 

 nigro-rufis.fasciisplurimis angustis epidermidis hydrophance ai- 

 bidm ornatd ; spird subsemiglobosd ; anfractibus 4 convexiuscuUs, 

 celeriter accrescentibus ; columelld intrante, planulatd, declivi; 

 aperturd lunato-rotundatd, intus margaritaced ; peristomate tenui, 

 albo, late expanso, vix reflexiusculo, margine basali cum columelld 

 angulum obsoletum formante. 



No. CLIII. — Proceedings of the Zoological Society. 



