THE REPTILE BOOK 



PLATE CXXXI 



TIMBER RATTLESNAKE, Crotalus horridus. Yellow Phase 



The species inhabits eastern North America, from New England to Florida (inclusive). In the mountainous districts of the 

 Northern States, the greater number of females are sulphur yellow, while the males are black, though this rule as to 

 sex does not always hold good 



TIMBER RATTLESNAKE, Crotalus !wrr,,l,ts. Black Phase 

 When such examples have recently shed the skin the body presents a rich, velvety appearance 



