254 



NATURALIST IN THE GREAT LAKES REGION 



gray-brown above, white below, with gray feet and white 

 toes, is fairly common. It is quite like the white-footed deer 



mouse (Fig. 287) but 

 this has pure white 

 feet. The Pennsyl- 

 vania meadow mouse 

 is more prevalent in 

 the wet prairie. 

 Certain birds nest on 

 the ground of the 

 open prairie; the 

 most characteristic 

 are the bobolink, the 

 meadow lark, its nest 



at the end f a 



FIG. 377 FIG. 378 



FIGS. 377, 378: Fig. 3 77 .-Prairie clover, Peta- 

 lostemum purpureum; Fig. 378. Lead plant, Amor- tunnel, the dickcissel, 

 pha canesccns. the ves per sparrow, 



the grasshopper sparrow, the prairie horned lark, the lark 

 bunting, and the prairie chicken. The first three mentioned 



FIG. 379. Chimney of burrowing crayfish, Cambarus diogencs 



