72 Cincinnati Society of Natural History. 



Spermophilus franklini (Sab.). 



" annulatus Aud. and Bach. 



" beldingi Merriam. 



Cynomys ludovicianus (Ord.). 

 " columbianus (Ord.). 



Arctomys hi on ax (Linn.). 



" flavirenter Aud. and Bach. 



" pruinosus Gm. 



