U. S. NATIONAL MUSEUM 



PROCEEDINGS. VOL. 81. ART. 6 PL. 1 









13 



14 



6 



10 



15 



West Indian Mollusks 



1-3, Thymnoplwra heaterisis, new species; 4-f), 7'. nlta. new species; 7, », Choiidiojioma {ChoiKlioyo- 

 metla) heatenxix Clench; 8. 10, C. (Chondroporninm) (ret morn, new species; 11, i:i, L'rocopti.s (Auto- 

 coptis) beatemis, new species; 12, Varicella heatensis, new si)ecies; U, Bruelnjixtdella (Liparotes) 

 iitowaiiae Clench; 15, MacTOceramus heatensis, new species. 



