THE RZPTILE BOOK 



PLATE CXIII 



COMMON HOG-XOSED SNAKE, Heterodon flatyrlnnus. 



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

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

 are entirely ham less and seldom attemnf to actually bite. They feed entirely upon toads and froi^ 



BLACK HOG-NOSED SNAKE. Heterodon platyrhinus niger 

 The habitat embraces thr Eastern and Centnl St:itrs. us does that o' the typical for 



