THE RKPTILK BOOK 



PtATF. XCI1I 



PILOT BLACK SNAKE, Coluber obsoletus 

 Sometimes confused with the common blacksnake, but may be told by its keeled scales 



BLOTCHED CHICKEN' SNAKE, Coluber obsoletus confinis 



Its occasional depredations among poultry are superficial as compared with its persistent search for rats and mice, round in the 

 central and southeastern portion of the United States 



