THE REPTII.F. BOOK 



PLATE C 



KEELED GREEN SNAKE, Cydophis astivus 

 A widely distributed, uniform green species. The scales are sharply keeled. Insect larvae form the principal food 



SMOOTH-SCALED GREEN SNAKE, Liopeltis vernalis 



Widely distributed and distinct from the preceding snecies owing to the smooth scales. Feeds upon grasshoppers, crickets, 

 spiders, and the larvae of moths and butterflies 



