244 A PARTIAL LIST OF SHELLS 



Pisidium abditum Hald. Lime Lake. 



Pisidium virginicum Brg. Chippawa ck. 



Pisidium nova=eboracense Pr. Frenchman's ck. 



Pisidium compressum Pr. Lime Lake, Lancaster. 



Pisidium variabile Pr. Chippawa ck. 



Pisidium walkeri Stk. Chippawa ck. 



Pisidium roperi Stk. Lime Lake. 



Pisidium rotundatum Pr. Lime Lake. 



Lampsilis ventricosus Barnes. Niagara riv. , Lake Erie, 

 Cayuga ck. 



Lampsilis ochraceus Say. Cayuga ck. 



Lampsilis multiradiatus Lea. Niagara riv. 



Lampsilis luteolus Lam. Niagara riv., Cazenovia ck., Cayu- 

 ga ck. , Old Reservoir Prospect ave. 



Lampsilis radiatus Gmel. Lake Ontario. 



Lampsilis ligamentinus Lam. Niagara riv. 



Lampsilis anodontoides Lea. Niagara riv. 



Lampsilis rectus Lam. Buffalo ck. 



Lampsilis nasutus Say. Niagara riv., Buffalo ck., 

 Erie Canal. 



Lampsilis subrostratus Say. Niagara riv. 



Lampsilis iris Lea. Buffalo ck. 



Lampsilis alatus Say. Lake Erie, Buffalo ck. 



Lampsilis gracilis Barnes. Buffalo ck. 



Lampsilis laevissimus Lea. Cayuga ck. 



Obovaria ellipsis Lea. Niagara riv. 



Ptychobranchus phaseolus Hild. Niagara riv. , Buffalo ck. 



Strophitus edentulus Say. Cayuga ck., Lancaster. 



Anodonta cataracta Say. Park Lake, Bfo. 



Anodonta marginata Say. Buffalo ck. 



Anodonta grandis Say. West Seneca. 



Anodonta grandis var. gigantea Lea. Buffalo Park Lake. 



Anodontoides ferussacianus var. subcylindraceus Lea. 

 Cayuga ck. 



Symphynota compressa Lea. Niagara riv. , Cayuga ck. , 

 Hamburg, Lancaster. 



