106 



HERPETOLOGY OF MICHIGAN. 



develop in May, when thev reach a length of one-half inch, and by 

 the middle of June they are practically developed or over one inch 

 long. They are laid from the middle of June to July or August and 

 each is covered with a thin opaque shell, white and leathery, and 



Fig. 38. Distribution of Diadophis punctata. 

 Horizontal ruling, specimens examined; vertical ruling, reports only. 



very irregular in shape and size. They hatch in September and 

 October, and the young are about four inches in length at the time 

 of hatching.'^ 



Range: The ringnecked snake is evidently rare in the state. The 

 species has been reported from Michigan (Sager, 1839, 302; Miles, 

 1861, 233), Ann Arbor (Smith, 1879, 7), Grayling (Cope, 1900, 



