C A N I D 



Characters of the Family. The Canidse are Carnivorous Mammals, 

 with only four complete digits behind and four or five in front ; pre- 

 molars four above and four below ; molars generally two above and 

 three below on each side ; auditory bulla smooth, rounded, with a very 

 incomplete internal septum ; paroccipital process projecting and applied 

 against the bulla ; mastoid distinct but small ; condyloid and glenoid 

 foramina conspicuous ; a well-developed alisphenoid canal ; brain with 

 four convolutions around the Sylvian fissure ; caecum always present, 

 and mostly coiled on itself; bone of corpus cavernosum straight, wide, 

 and grooved; prostate salient; no Cowper's glands. 



Subdivisions of the Family. 



Genera. 

 fM. . CANIS. 



CANIDSE. < 



Digits 5 4< 



^Digits 4 4 



M. ^ CYON. 



M .} ... ICTICYON. 



A 



M. \ OTOCYON. 



LYCAON. 



