104 HERPETOLOGY OF MICHIGAN. 



Counties (Clark, 1905, 110), Huron County (Rutliven, 1911a, 267) 

 and Cheboygan County (Rutliyen, 1911, 115). Specimens from the 

 following localities haye been examined : Ann Arbor, Washtenaw 

 Count}', Au Sable Riyer. Oscoda County, Brighton, Liyingston 

 County, Higgins Lake, Roscommon County, Grayling, Crawford 

 County, Trayerse City, Grand Trayerse County, Bad Axe and Sand 

 Point, Huron County, Manistee, Manistee County, Douglas Lake, 

 Cheboygan County, Brown Lake, Dickinson County, Alma, Gratiot 

 Count}', Eaton County, Mackinac County, and Dr. F. N. Xotestein 

 informs me that he saw specimens in Otsego County in 1911. 



DIADOPHIS PUNCTATA (Linnaevis). 



RINGNECKED SXAl^E. 



Coluher punctatus, Sager, 1839, 302. 



Biadophis punctatus, Clark, 1902, 193; 1905, 110. Xotestein, 1905, 

 119. Smith, 1879, 7. Ruthyen, 1906, 111; 1911, 114. Miles, 

 1861, 233. Cope, 1900, 751-753. 



Description: A small snake that attains a length of about a foot 

 or eighteen inches. Head flat and broad, low on the sides. Eye 

 small. Two nasal plates. 



The scutellation is described as follows : Dorsal scale rows 15, 

 the scales smooth. Supralabials usually 8, often 7; infralabials 8. 

 Oculars 2-2, temporals 1-1. Yentrals 141-161, subcaudals 36-56. Anal 

 plate diyided. In the three specimens examined by us (from Ann 

 Arbor, Oliyet and Oakland County) the scutellation is : dorsals 15 

 throughout the length of the body, supralabials 7-8, 7-7, 8-7, in- 

 fralabials 8-8, 7-7 in two, oculars 2-2 in two, 2-1 in one, temporals 

 1-1 on each side, yentrals 144, 148, 159, subcaudals 57, 50, ?. 



The writer has seen but one liye specimen of this snake in Michi- 

 gan. Hay (1892a, 493) describes the coloration as follows: "The 

 color aboye yaries in the subspecies, or yarieties, from oliye through 

 gray to blue-black; below from yellowish white to orange and red, 

 with more or fewer dark spots. There is usually a light ring 

 around the neck, close to the head. 



"The form in Indiana is the topical pimctatus. The color above 

 is a bluish black or a dark ash, with a wash of bronzy that extends 

 down to the lowest rows of scales. Below, the color is orange or 

 deep red, somewhat ]jalest in front. On the outer ends of each of 

 the yentrals there is a small black spot, and these are inyolyed in 

 the color of the dorsal scales. Near the middle line of the yentrals 

 may be two rows of dark spots, or the spots on the yentrals may 



