30 



ILLINOIS NATURAL HISTORY SURVEY MANUAL 4 



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25 MINK 



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28 BEAVER 



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■#>'■" ft ft$» ^ : 



26 RED FOX 





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27 GRAY FOX 



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Aft 



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29 WOODCHUCK 



Figs. 25-29. — Signs of Illinois mammals: a, print of front foot 

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

 e, tooth marks on branch. 



