THE REPTILE BOOK 



PLATE XXXVII 





Copyright. 1907, l>y Doubleday, Page & Company 

 COLLARED LIZARD, Crotaphytus collaris. 



A wonderfully active species of the sub-arid regions and the deserts proper. It often rears the body upward, 



running swijtly on the hind legs. 



Copyright, 1907. by Doubleday, n 'fe & Company 

 LEOPARD LIZARD, Crotaphytus wislizenii. 



Similar in habits to the Collared Lizard. It is both herbivorous and cannibalistic, preying largely upon the grc d switts 



and horned "toads." Note protective colouration. 



