EXPLANATION OF PLATE 



PLATE 11 



Dorsal views of skulls of wildcats from California. All about oiie-lialf 

 natural size. 



a, Lynx riiffus pallesccns, no. 24739, ,^; Straw, Modoc County; January 3, 

 1917. 



b, Lynx ruffus iaileyi, no. 23676, c?; Palo Verde, Imperial County; December 

 13, 1915. 



c, Lynx ruffus californicus, no. 3879, (^; Pine Mountain, San Diego County; 

 August 18, 1904. 



d, Lynx ruffus californicus, no. 21415, J'; Mirror Lake, Yosemite Valley, 

 Mariposa County; March 3, 1915. 



The two examples of californicus illustrate the amount of the geographic 

 variation occurring within that race; d departs markedly from c toward b and a. 

 See text, p. 344. 



[354] 



