PLATE I 



Amphibia and Reptilia of Colorado 



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Fic. I. — Bufo co&nalus. Western Toad (page 56). 



Fig. 2. — Bujo amcricanus. American Toad (page 55) 



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YiQ, ^.—Crotaphylus collaris baileyi. Bailey's Collared Lizard (page 66). 



Fig. 4. — Crolaphytus collaris baileyi. Bailey's Collared 

 Lizard (page 66). 



Fig. s.—Ula ornala. Ornate Swift (page 64). 



