SUMMARY OF THE LIFE OF THE PLEISTOCENE 



389 



Succinea grosvenari Lea. 

 " retusa Lea 



Endodontidae ■ 

 Sphyradium edenlulum altkola IngersolL 



Helicodisats parallelus (Say) 



Punctum pygmaeitm (Drap.) 



Pyramidula cronkhitei anthonyi Pilsbry.. 



perspectiva (Say) 



shimekii (Pilsbry) 



alternata (Say) 



solitaria (Say) 



Oreohelix iou-ensis (Pilsbry) 



Limacidae 



Agriolimax campestris Binney 



Limacid, species indet 



Zonitidae 



Gastrodoma ligera (Say) 



Zonilaides arborea (Say) 



" nitida (Miiller) 



" minuscida (Binney) 



" laevisada Sterki 



" milium (Morse) 



Eucontdus ftdinis (Miiller) 



" chersinus (Say) 



" • chersinus polygyratus (Pilsbry) . 



" sterkii (Dall) 



Vitrea kammonis (Strom) 



" indentala (Say) 



" rhoadsi Pilsbry 



' wkeatleyi (Bland) 



Omphalina fuliginosa (Griffith) 



inornala (Say) 



CntCINARITDAE 



Circinaria concava (Say) 



Helicidae 



Polygyra monodon (Rackett) 



jraterna (Say) 



hirsula (Say) 



" mitchelliana (Lea) 



" clausa (Say) 



W 



Pi 



