190 BULLETIN 17 5, UNITED STATES NATIONAL MUSEUM 



22.8 in females; proportionate tail length varies from 0.145 to 0.182 

 (average 0.165) in males, from 0.135 to 0.166 (average 0.155) in 

 females. 



An albino specimen is described by Klauber (1924, p. 21) as follows: 

 "A small albino Pituophis catenifer annectens was taken January 14, 

 1923, at La Mesa (San Diego County, Calif.). It was said to have 

 been ploughed out. The spots normally brown were faint straw 

 color, while those normally black were translucent and hence pink. 



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NO» * 

 Figure 80.— Geographic variation in number of ventrals in Pituophis catenifer anneden$. 



as were the eyes also. The remaining areas were white. The eyes 

 jerked involuntarily in strong light." 



In 1931 (p. 70) Klauber reports having seen another albino specimen 

 3 feet long "in Schubach's collection. . . . The normal yellow was 

 straw, the normal black, brown, and red were white. The parietals 

 were distorted." 



Eange. — The range of this form extends from the southernmost tip 

 of Lower California north to Santa Cruz and Contra Costa Counties, 

 in the coastal strip of California, and the Mojave Desert farther 



