Terrestrial Shells of St. Thomas, W. I. 217 



Siati07i. — Under stones, and on old walls. After rains, on 

 shrubs, and trunks of trees. 



UabUat.' — Jamaica; Ad. Contrib. p. 8. corrected on p. 203. 

 St. Thomas ; Adams. St. Thomas ; T. B. ! 



3. (4.) Helicina SUbfusca ^u'uke Synop. p. To. 1828. 



rotcl/liia Midi. Pot. et Mich. (ial. T. p. 2.30. 



No. G. t. 23. f. 11. 12. - 1838. 

 Ilelicina caatanca (;) Guild (?) Sowb. Thes. I. p. 13. No. 



67. t. 1. f. 31, 32. - - 1842. 



Hornheckii Phil. Z. f. Mahik. p. 125. No. G4. 1847. 



suhfusca Kiister Conch. Cab. Pt. 3(1. p. 



24. No. 23. t. 4. f. 34-3G. 1850. 



Kiister refers to H. castanea as a variety, of wliicli Sowerby 

 gives N. America as the habitat. 



Slaiion. — Under stones, and among dead leaves, — verj- com- 

 mon. 



Habitat. — Porto Kico; Alenke. St. Thomas; Potiez and 

 Michaud: also Philippi: also Kiister. St. Thomas; T, B. ! 



4. (5.) Helicina t Sp. imlet. 



Shell moderately depressed, with microscopic spiral striie, — 

 brown or yellow, columella produced into a small tooth. Diam. 

 .25 inch. 



Station. — Under stones. 



Habitat.— B] ait's Hill, E. of the town, St. Thomas ; T. B. ! 



(oa.) Variety of the above, with a white band on the periphery. 



Station. — Under stones, — after rain, on the leaves of shrubs. 



Habitat. — Hill opposite Baker's, and on sides of footroad 

 between it and Tutu, St. Thomas ; T. B. ! 



5. (G.) Cylindrella pallida (r>rachypus) Guild, in Sched. Grig. 



teste Pfr. 



Phil. Abil. II. t. 2. f. 14. 1845. 



Pfr. Monog.Hel.Viv. 11. p. 379. 



No. 31. - - - 1848. 



Pfeiffer describes this as having 9 to 13 whorls. The mature 

 shell has 15 to 16 whorls. 



