^0 



HERPETOLOGY OF MICHIGAN. 



oratory in a dish contoining moss, brown specimens turn green in 

 a few days. The food consists of worms, insects and small frogs. It 

 becomes very tame in captiyity and may be easily handled. Like the 

 rest of the Ranidae, the species hibernates during the cold weather 



-. -V^ DOMINION OF CANADA 



ILLINOIS 



c K < £ A '; o 



Fig. 15. Distriljution of Rana jipiens. 

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



in the mud and under stones, but, according to Hay (1892a, p. G6), 

 its note may be heard "during the warmer days of midwinter," and 

 it is often seen at such times. 



This frog is one of the first to appear in the spring, the breeding 

 season being in March and A])ri]. When it first appears it is al- 

 most black in color, but soon becomes lighter. The eggs are laid in 



