Occasional Papers of the Mnscuui of Zoology 13. 



FOSSIL SPECIES. 



1. Elephas columbi (Falconer). Columbian Mammoth. 

 Specimens: Jackson. 



2. Elephas primigenius (Blumenbach). Northern Mammoth. 

 Specimens: Jackson. 



Records: Van Buren, Macomb, Eaton, Clinton, Saginaw. 



3. Mammut americanum (Kerr). Mastodon. 

 Specimens: Washtenaw, Wayne, Livingston, Lenawee. 

 Records: Monroe, Hillsdale, Berrien, Van Buren, ]\Iacomb,. 



Eaton, Muskegon, Montcalm, Gratiot, Saginaw, Baj', Allegan, 

 Jackson, Shiawassee. 



4. Castoroides ohioensis (Foster). Giant Beaver. 

 Specimens: Washtenaw, Shiawassee. 

 Records: Lenawee, Lapeer. 



5. Platygonus compressus (LeConte). Peccary. 

 Specimens: Ionia. 



6. Bootherium sargenti (G'idley). ]\Iusk Ox. 

 Record: Type locality, Muskegon County. 



