107 



Trochita occidentalis Ad. genera 1. p. 366. t. 40. 

 f. 5. 



Trochita sp. Troschel Gebiss. 1. p. 158. t. 13. f. 6. 

 Hab. St. Vincent (Guild.) St. Domingo, Jamaica, St. 

 Thomas, Martinique (Cande) Cuba (Sagra) St. Thomas 

 (Riise, Krebs, Swift) St. Martin, Anguilla (Krebs) Cu- 

 mana (M. Suenson.) 



* 476. Galerus parvulus Dkr. 



T. parvula tenuis lactea, orbicularis depresso-conica, 

 laeviuscula vel striis subtilibus irregularibus elevatis rugu- 

 losa; lamina interna coucava emargiuata; apex intortus 

 valde prominens subcentraUs. 



Lat. 6 mm.; alt. 3 mm. 



Galerus parvulus Dkr. Jahrb. Mal. Ges. 1875. p. 244. 

 Hab. Desterro (Müller.) 



Spec. dub. 



* 477. Crepidula intorta? var. Say. Am. J. of Sc. 



Phil. 2 p. 227. 



Crepidula intorta Dekay p. 159. 



Convexe ovate, with about 20 elevated somewhat 

 undulated lines with alternate smaller ones, somewhat 

 confused on the convex side, the larger ones with a few 

 slightly elevated very thick tubercles: apex curved late- 

 rally; tip pointing upwards, and not elevated from the 

 body of the shell. 



Hab. Southern Coast (Say.) A single imperfect specimen. 

 It seems to correspond very well with the description 

 of C. intorta of the coast of England." 



* 478. Crepidula squamosa Mke. Syn. 1828 p. 89. 



T. ovali, albida, convexa, dorso squamis transversis, 

 fornicatis, imbricatis exasperata ; vertice inclinato. 



Alt. 2 lin.; long. 6^/^ liu.; lat. 4 lin. 

 Hab. ad Brasiliam, comm. am. Prof. Lehmann, 



