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LIFE OF THE PLEISTOCENE 



Vertigo ovata Say 



" bollesiana (Morse) 

 Leucochila fallax (Say) 

 Slrobilops labyrinthica (Say) 

 " virgo (Pislbry) 



Bifidaria contracta (Say) 



" tappaniana (C.B. Adams) 

 = pentodon Authors. 



" hohingeri (Sterki) 



" procera (Gould) 

 Pupilla muscorum (Linn.) 



Endodontic ae 

 Sphyradium edcnhdum alticola ('Ingersoll) Pyramidula aliernata (Say) 



Helkodiscus parallelus (Say) " shimekii (Pilsbry) 



Pyramidula cronkhilei anllwnyi Pilsbry solilaria (Say) 



perspediva (Say) 



Zonitoides arborea (Say) 



" minuscula (Binney) 

 Euronulus Juhus (Miiller) 



Polygyra hirsuta (Say) 



" monodon (Rackett)=Zeaj (Ward) 

 " clausa (Say) 

 " jraterna (Say) 

 " inflecla (Say) 

 " appressa (Say) 



Species indet 



Cristivomer namycush (Walbaum) 

 Genus et species indet. 



Megalonyx jeffersoni Desmarest 

 Equus complicates Leidy 

 Tapirus kaysii Leidy 

 Mylohyus nasutus (Leidy) 



Oreohelix iowensis Pilsbry 

 Zonitddae 



Vitrea hammonis (Strom) 



" indentala (Say) 

 Gastrodonla ligera (Say) 



Helicidae 



Polygyra thyroides (Say) 



" multilineata (Say) 



" projunda (Say) 



" albolabris (Say) 



" elevata? (Say) 



" zaleta (Binney) 



ARTHROPODA 



COLEOPTERA 



Species indet. 



VERTEBRATA 



PISCES 



Salomonid>e 



AVES 



MAMMALIA 



Megatheriidae 



Equidae 

 Tapiridae 



TAYASSUrDAE 



