Tltt Kl I'TM I Hook 



I'l.ATF rxiii 



COMMON tiOG-NOSED biNAKE. Helcrodon plalyrhinus. 

 The three species of Heterodon are characteristic in having a sharply upturned snout, and, owing to peculiar habits. When 

 annoyed they tiatten the head and neck to a great extent and hiss loudly. Their hostile airs have placed them in bad repute, yet thuy 

 are entirely harmless and seldom attempt to actually bite. They feed entirely ufjon toads and frogs 



BLACK HOG-XOSED SNAKE. HeUrudon platyrhinus nigcr 

 The habitat embraces the Eastern and Central States, as does that o.' the typical form 



