Zoological Society, 263 



pallide virenti-corned vel (in adultis) succined ; spird vix promi- 

 nuld, suhpapillatd ; anfractibus 2 ; columelld arcuatd, acutd. 



Long. 6, lat. 6, alt. 2J mill. 



From the island of Juan Fernandez (H. Cuming). 



2. SucciNEA PALLIDA, Pfr. Succ. testd ovato-conicd, solidiusculd, 

 longitudinaliter ruguloso-striatd, diaphand, pallide stramined; 

 spird acutd; anfractibus 4 convexis ; columelld leviter arcuatd, 

 filari, supra basin apertura ovalis subtruncatd ; peristomate mar- 

 gine subincrassato. 



Long. 13, lat. 7, alt. 6^ mill.; apert. 8|- mill, longa. 

 From Tahiti (H. Cuming). 



3. SucciNEA SEMiGLOBosA, Pfr. Succ, testd ovato-semiglobosd, 

 tenui, Icevigatd, nitidissimd, lutescenti- corned ; spird vix promi- 

 nuld, obtusd; anfractibus 2, ultimo ventroso ; columelld strictius- 

 culd, oblique recedente ; aperturd rotundato-ovali. 



Long. 8, lat. Q\, alt. 4 mill. ; apert. 7|- mill, longa. 

 From the island of Massafuera, Chile (H. Cuming). 



4. SucciNEA TAHiTENsis, Pfr. Succ. tcstd ovatd, striatuld, tenui, 

 vix nitidd, pellucidd, pallide succined ; spird brevi, obtusiusculd ; 

 anfractibus 2^ convexis, ultimo ovato ; columelld leviter arcuatd, 

 medio obsolete {interdum distincte) angulatd ; aperturd regulari- 

 ter ovali ; peristomate expansiusculo. 



Long. 12, lat. 7, alt. 4| mill; apert. 8f mill, longa. 

 From Tahiti (H. Cuming), 



5. Helix Lindoni, Pfr. Hel. testd imperforatd, semiglobosd, tenui, 

 irregulariter striatuld, supern^ opacd, albidd, punctis castaneis 

 conspersd et lined nigricanti-castaned ad suturam ornatd; anfrac- 

 tibus 4| convexiusculis, ultimo basi planulato, pellucido, corneo- 

 virente, antice breviter deflexo ; columelld intrante, declivi, sub- 

 arcuatd, dilatatd, introrsum acutd; aperturd lunatO'ellipticd ; 

 peristomate simplice, recto. 



Diam. 16, alt. 9^ mill. 



From the island of Cuba (Lindon). 



6. Helix pemphigodes, Pfr. Hel. testd imperforatd, subglobosd, 

 tenui, membranaced, oblique plicatuld, diaphand, lutescenti-corned ; 

 spird brevi, papillatd; anfractibus 4 vix convexis, ultimo per- 

 magno, carinato,juxta suturam inflate, basi convexo, antice vix 

 descendente ; columelld simplice, acutd, subverticali ; aperturd 

 ampld, fere circulari ; peristomate simplice, acuto, marginibus 

 conniventibus. 



Diam. 18, alt. 12 mill. 



From the island of Cuba (Lindon). 



7. Helix GRADATA, Pfr. Hel. testd imperforatd, globoso-turbinatd, 

 striatuld, tenui, hyalind ; spird turbinatd, ad apicem acutd ; anfrac- 

 tibus 6 convexiusculis, gradatis, ultimo medio acut^ carinato, basi 

 convexo, sub lente minutissime concentrice striata ; aperturd sub- 

 tetragono-lunari ; peristomate simplice, acuto, margine columellari 

 verticaliter descendente. 



