PLATE 22 



a. Tracks of Black Bears in Yosemite Valley after a light snow fall, showing how a 

 bear coming into another bear's trail at once treads "in the footsteps of its prede- 

 cessor.'' Photographed below Cathedral Eocks, November 17, 191.1. 



h. Tracks of Black Bear in Yosemite Valley; photograjdied in road l)e]ow Royal 

 Arches, November 8, 1915. This bear was in haste; the ]irint of the hind foot is 

 ahead of that of the forefoot. 



For general account of Black Bear, see text, pp. 63-68. 



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