SUMMARY OF THE LIFE OF THE PLEISTOCENE 



383 



Plenrobema coccineum magnalaatstris (Simpson) 



obliquum (Lam.).... 



pyramidatum (Lea) 



clava (Lam.) 



EUiptio crassidens (Lam.) 



" gibbosus (Barnes) 



" complanatus (Dilhvyn) 



Arcidens confragosits (Say) 



Laswigona costata (Rafinesque) 



compressa (Raf.) 



Anodonta grandis Say 



" grandis fooliana Lea 



" tnarginata Say 



" cataracta Say 



" imbecilis Say 



Anodontoides subcylindracem (Lea) 



Alasmidonta marginata (Say) 



calceola (Lea) 



Ptychobranchus phaseolus (Hildreth) 



Obovaria circula (Lea) 



" ellipsis (Lea) 



Obliqtiaria reflcxa Rafinesque 



Atnygdalonajas elegans (Lea) 



Nephronajas ligamenlina (Lam.) 



Proptera data (Say) 



" parpurala (Lam.) 



Eurynia iris (Lea) _ 



" ellipsiformis (Conrad) 



" recta (Lam.) 



Lampsilis anodontoides (Lea) :. 



" luteola Tarn.) 



" ventricosa (Barnes) 



Sphaeriidae 



Sphaerium suhatum( Lam.) 



" striatimim (Lam.) 



solid ulnm (Prime) 



" stamineum (Conrad) 



stamineum wisconsinensis Sterki. 



" rkomboideum (Say) 



" fabale (Prime) 



" ocridentale (Prime) 



flavum (Prime) 



