The Reptile Hook 



Plate LXXXIX 







1:1 LACKS. \ ARE; RACER, Zamcnis conslrklor — Southern phase 

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



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BLUE RACER, Zamcnis constrictor ilainvcntris 

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



having a bright yellow abdomen 



