l.-i/ 



December 9, 1845. 



■NVilliam Yarrell, Esq., Vice-President, in the Chair. 



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

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



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

 discoided, tenuissimd, arcuato-plicatd, sub epidermide tenui.fuscd, 

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

 ultimo basi vix convexiore ; umbilico mediocri ; aperturd perob- 

 liįud, ampld, angulato-lunari ; peristomate simplice, acuto. 



Diam. 101, alt. 3A mill. 



2. BuLiMUS GossEi, Pfr. Bul. testd rimatd, turrito-cylindraced, 

 oblique costulatd, albidd, opacd, strigis semilunaribus, punctisąue 

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

 suturd crenulatd; anfractibus 11 convexis, ultimo i longitudinis 

 vix superante, rotundato, basi subangulato ; aperturd suborbiculari ; 

 peristomate breviter expanso, marginibus approximatis, columellari 

 reflexo, patente. 



Long. 11, diam. 3| mill. 



Nearly allied to Bul. unicarinatus and Bul. turricula. 



3. Cylindrella Gossei, Pfr. Ci/l. testd subcylindraced, sursum 

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

 costulatd, pallide corned vel albidd; anfractibus 16 vix conveiius- 

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

 basi subangulatd; peristomate simplice, tenui, breviter expanso, 

 marginibus vixjunctis. 



Long. 21, diam. 4 mill. 



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

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

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

 natd; anfractibus 10 planiusculis, ultimo į longitudinis subaguante, 

 plurivaricoso, infra medium sublcevigato, attemiato ; columelld svb- 

 rectd, basi obligue truncatd ; aperturd angustd, semiovali. 



Long. 22, diam. 7 mill. 



o. Glandina curvilabris, Pfr. Gland. testd oblongo-turritd, so- 

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

 remote albido-strigatd ; spird turritd; suturd marginatd ; anfrac- 

 tibus 8 planiusculis, ultimo \ longitudinis subceguante, antice medio 

 impresso ; columelld verticali, ad basin aperturee abrupte truncatd ; 

 aperturd angustd, oblongd; peristomate albido-Umbato, margine 

 dextro antrorsum curvato. 

 Long. 16, diam. 5 mill. 

 No. CLIV. — Proceedings of the Zoological Society. 



