Zoological Society, 441 



Diam. 28, alt. 20 mill. 



From the island of Samar; found on leaves of trees (H.Cuming). 



36. Helix pratensis, Pfr. Hel. testd umbilicatd, orhiculato-con- 

 vexd, ruguloso-siriatd, albidd,fasciis 2 castaneis cinctd vol sub- 

 unicolore ; spird subelevatd ; anfractibus 6 convexiusculis, ultimo 

 antice vix descendente ; umbilico mediocri, pervio ; aperturd roturt' 

 dato-lunari ; peristomate expanse, intus remote albo-labiato, mar- 

 ginibus conniventibus , columellari subdilatato, patente. 



Diam. 17 alt., 9J mill. 



From the banks of the river Tortoom (As. Russ.) ; found in damp 

 meadows. 



December 9. — William Yarrell, Esq., Vice-President, in the Chair. 



A paper was read containing " Descriptions, by Dr. L. PfeiiFer, of 

 new species of Land-Shells from Jamaica, collected by Mr. Gosse." 



1. Helix ptychodes, Pfr. Hel. testd umbilicatd, depressissimd, 

 discoided, tenuissimd, arcuato-plicatd, sub epidermide tenui, fused, 

 decidud hyalind ; spird planiusculd ; anfractibus 4 j — 5 planulatis, 

 ultimo basi vix convexiore ; umbilico mediocri; aperturd per ob- 

 liqud, ampld, angulato -lunar i ; peristomate simplice, acuto. 



Diam. lOJ, alt. 3^ mill. 



2. BuLiMus GossEi, Pfr. Bui. testd rimatd, turrito-cylindraced, 

 oblique costulatd, albidd, opacd, strigis semilunaribus, punctisque 

 pellucidis corneis ornatd ; spird cylindraced, apice attenuate, acuto ; 

 suturd crenulatd; anfractibus 11 convexis, ultimo ^ longitudinis 

 vix superante, rotundato, basi subangulato ; aperturd suborbiculari ; 

 peristomate breviter expanse, marginibus approximatis, columellari 

 reflexe, patente. 



Long. 11, diam. 3§ mill. 



Nearly allied to Bui. unicarinatus and Bui. turricula. 



3. Cylindrella Gossei, Pfr. Cyl. testd sub cylindraced, sursum 

 attenuatd, non truncatd, tenui, diaphand, oblique et arcuatim leviter 

 costulatd, pallide corned vel albidd ; anfractibus 1 6 vix convexius- 

 culis, ultimo basi acute carinato, non protracto ; aperturd oblengd, 

 basi subangulatd ; peristomate simplice, tenui, breviter expanse , 

 marginibus vix junctis. 



Long. 21, diam. 4 mill. 



4. Glandina jamaicensis, Pfr. Gland, testd fusiformi-turritd, 

 cenfertim et verticaliter costatd, nitidd, albidd, strigis raris rufis 

 ornatd; spird turritd, acutiusculd; suturd crenulatd, submargi- 

 natd ; anfractibus 10 planiusculis, ultimo ^ longitudinis subcequante, 

 plurivaricose, infra medium sublcevigato, attenuate ; columelld sub- 

 recta, basi obliqu'k truncatd ; aperturd angustd, semiovali. 



Long. 22, diam. 7 mill. 



5. Glandina curvilabris, Pfr. Gland, testd oblongo-iurritd, so- 

 lidiusculd, confertissime costulatd, diaphand, nitidd, luteo-corned, 

 remote albido-strigald ; spird turritd ; suturd marginatd ; anfraC' 



Ann. ^ Mag. N, Hist. Vol.xw'ii. 3H 



