THE REPTILE BOOK 



PLATE LXXX1X 



BLACKSXAKE; RACER, Zamenis constrictor Southern phase 

 This Southern phase has more white on the chin and lip plates than the Xorthern Blacksnake 



BLUE RACER, Zamenis constrictor flaviventris 



From the' Mississippi Valley to the Pacific Coast the eastern Blacksnake gives way to a greenish or bluish representative, 



having a briglit yellow abUomen 



