55 



15. PISIDIUM PUNCTIFERUM, Guppy. 



Ann. mag. nat. hist. 3d series XIX. 

 Trinidad. (Ex auctore.) 



South America. 



16. PISIDIUM TITICACENSE, Prime. 



Lake Titicaca, Peru. (Collected in 1876 by the Agassis expe- 

 dition. .Undescribed). 



17. PISIDIUM CHILENSE, Deshayes. 



Smithson. Monogr. 

 Valparaiso, 

 a. Pisidium angulatum, Prime. Coquimbo, Chile. 



Europe. 



18. PISIDIUM AMNICUM, Jenyns. 



Baudon Pisid. 1857. 



a. Agen, France. 



