EX 



OCCASIONAL PAPERS 



OF THE 



CALIFORNIA ACADEMY OF SCIENCES 



X 



THE REPTILES 



OF 



WESTERN NORTH AMERICA 



BY 



JOHN VAN DENBURGH 



With One Hundred and Twenty-eight Plates 

 Volume II. Snakes and Turtles 



SAN FRANCISCO 



PUBLISHED BY THE ACADEMY 

 NOVEMBER 23, 1921 



