FEB., 1912. MAMMALS OF ILLINOIS AND WISCONSIN CORY. 33 



FAMILY ERETHIZONTID^E. AMERICAN PORCUPINES. 

 SUBFAMILY ERETHIZONTIN^E. 



GENUS ERETHIZON. 

 Erethizon dorsatum (LiNN.). Canada Porcupine. 



SUBORDER DUPLICIDENTATA. 



FAMILY LEPORID^E. HARES AND RABBITS. 



GENUS LEPUS. 

 SUBGENUS LEPUS. 



Lepus americanus ph&onotus ALLEN. Varying Hare, Snow-shoe Rabbit. 

 [Lepus campestris BACHMAN. Jackass Rabbit, "Jack Rabbit."] 



GENUS SYLVILAGUS. . 

 SUBGENUS SYLVILAGUS. 

 Sylv ilagus ftoridanus mearnsii (ALLEN). Mearns's Cotton-tail Rabbit, Gray Rabbit 



SUBGENUS TAPETI. 

 Sylvilagus aquaticus (BACHMAN). Swamp Rabbit. 



ORDER FER/E. 

 SUBORDER FISSIPEDIA. 



FAMILY FELID^. THE CATS. 

 SUBFAMILY FELIKLE. 



GENUS FELIS. 

 Felis couguar KERR. Panther, Cougar. 



GENUS LYNX. 

 SUBGENUS LYNX. 

 Lynx canadensis KERR. Canada Lynx. 



SUBGENUS EUCERVARIA. 

 Lynx ruffus (GULDEN.). Wild Cat, Bay Lynx. 



FAMILY CANID^E. WOLVES AND FOXES. 



GENUS UROCYON. 



Urocyon cinereoargenteus (SCHREBER). Gray Fox. 

 Urocyon cinereoargenteus ocythous BANGS. Wisconsin Gray Fox. 



GENUS VULPES. 

 Vulpesfulvus (DESMAREST). Red Fox. 



GENUS CANIS. 



Canis nubilus SAY. Gray Wolf, Timber Wolf. 

 Canis latrans SAY. Prairie Wolf, Coyote. 



FAMILY MUSTELID^). 

 SUBFAMILY LUTRIN^E. OTTERS. 



GENUS LUTRA. 

 Lutra canadensis (SCHREBER). Canada Otter. 



