216 Catalogue of the 



H. plicaria Lam. TenerifFe ; Lam. Porto Rico, St. Thomas, 

 Fer. Pfr. 1. c. No. 761. 



H. squamosa For. Porto Rico ; Mange : Lam. var. /3 depressa. 

 St. Thomas; Grat. Pfr. 1. c. No. 767. 



BuUmus hceticaius (Helix) Fer. St. Thomas ; For. Canary 

 Is. ; Webb and Berth. Pfr. L c. No. 200. 



B. badiosus {Helix) Fer. St. Thomas ; Fer. Teneriffe ; Webb 

 and Berth. Pfr. 1. c. No. 201. 



Pujxi decumana (Helix) Fer. St. Thomas; Beck. Cuba; 

 Orb. ? Pfr. 1. c. No. 49. 



Gylindrella gracilicollis (Helix) Fer. St. Thomas ; Mauge : 

 Fer. Pfr. L c. No. 22. 



C. Maugeri (Helix) Wood. St. Thomas ; Ilornbeck. Ja- 

 maica ; Pfr. L c. No. 46. Yid. Ad. Contrib. p. 166. as to the 

 error regarding this shell 



The following shells inhabit the Island of St. Thomas. (The 

 most important |)art of the synonymy of the shells is added.) 



1. (1.) Cyclostoma Antillarum Sowb.Thes.Conch.1. 150. 



No. 1C8. t. 28. f. 180. 1843. 

 Mertalomasioma Gray Norn, of Moll. itc. in 



Brit. Mus. Pt. 1. p. 31. 1850. 

 Pfr.Consp. Cyclos. No. 199. 1852. 



Sowerby's figure is apparently from a dead shell : when alive 

 it is of a very much darker color. He describes it as haying 8 

 Avhorls. Specimens occur in St. Thomas with 7, 8, and 9 whorls. 



Station. — Among wet decaying leaves under stones. 



Habitat. — Tortola ; Sowerby. St. Vincent ; Guilding ! Gray. 

 Tortola and St. Vincent ; Pfeiflfer. Hill opposite Baker's, near 

 Smith's Bay Estate, East End, St. Thomas ; T. B. ! 



2. (2.) Cyclostoma Newcombianum Ad. Coutiil). p. 8. 1849. 



Swiftiaitiiiii Newcomb MSS. 1845. 



Troschcli PtV.Z.f.MaIak.p.64.1850. 



JVeivcombiamim Pfr. Consp. Cyolos. 



No. 424. - 1852. 



