REVISION OF THE PUMAS 



587 



Feb. 14, 1901 

 Jan. 27, 1901 

 Feb. 13, 1901 

 Feb. 8, 1901 



Feb. 5, 1901 

 Jan. 31, 1901 



Jan. 15, 1901 



Jan. 18, 1901 

 Feb. 12, 1901 



Jan. 28, 1901 

 Jan. 14, 1901 

 Feb. 12, 1901 



Remarks. 



Contained 3 foetal young; 

 would have been born in 

 month or 6 weeks. 



Contained 3 fcetal young ; 

 would have been born in a 

 few days. 



Mother of 3 kittens, still 

 blind, which were only three 

 or four days old. 



Milk in teats ; accompanied 

 by No. 12 [and undoubtedly 

 its mother]. 



Mating with No. 2. 



With No. 9 [and undoubt- 

 edly its last year's kitten]. 



CRANIAL MEASUREMENTS OF THE ROOSEVELT SERIES OF 

 PUMAS FROM COLORADO. 



SEXUAL VARIATION. 



T'/ie skicll. — The above measurements show that the sexual differ- 

 ence in size is greater than is usually recognized, the basal length of 

 the largest male (196 mm.) exceeding that of the largest female (172 

 mm.) by 24 mm. (about an inch). In the oldest male the ratio of 



' Length in straight line, between uprights, from nose to tip of tail. 

 Proc. Wash. Acad. Sci., December, 1901. 



