1'I.AFK LXXII 



RED-BARRED GARTER SNAKE, Euttenia sirlalis parietalis 

 The pale bars on the sides are brick red. Found in the Central States 



PICKERING'S GARTER SNAKE, F.ultrnia sirlalis pirkeri,,t>ii 

 This is the blackest of the varieties of . sirtalis. The central stripe is broken into a series of dots. Occurs in the Pacific Region 





SPOTTED GARTER SNAKE. F.uttrnia sirtalis ordinata 

 On this Eastern variety the stripes are entirely absent 



