HOFFMEISTER & MOHR: ILLINOIS MAMMALS 



29 





f 



\m- 



e 21 MUSKRAT 



22 NORWAY RAT 



23 RIVER 

 OTTER 



24 COYOTE 



Figs. 21-24. — Signs of Illinois mammals: a^ print of front foot; 

 b, print of hind foot; c, bounding pattern; d, walking pattern; 

 e, droppings; f, food fragments. 



