114 



HERPETOLOGY OF MICHIGAN. 



on the suture of the parietals, and another large yellow spot on 

 the preoculars. The labials are generally nearly white and without 

 black markings. The belly is pale greenish and yentral spots are 

 usually wanting. 



''^r 



DOMINION OF CANADA 



LINO J S 



* H I C A C O 



, lAKE 



ERIE 



Fig. 41. Distribution of Thamnophis sauritus. 

 Horizontal ruling, specimen.s examined; vertical ruling, reports only. 



Habits mid HaMtat: Kuthyen (1908, p. 112) describes the habits 

 of this form as follows : ''Like the other members of the group, 

 sauritus seems to be more than ordinarily aquatic in its habits, but 

 apparently less so than either proximus or sackeni. In Michigan 

 we haye generally found it about the margin of ponds and streams 

 in damp woods. It is somewhat of a climber, and is occasionally 



