PLATE 21 



Bats of Yosemite Valley and the higher Sierra Nevada; all about %,> natural size; 

 photographed from fresh speciineus. 



a. Hoary Bat, Merced Lake, August 21, 1915. 



h. Merriam Bat, Pleasant Valley, May 23, 1915. 



e. Little California Bat, Pleasant Valley, May 23, 1915. 



d. Large Brown Bat, Merced Lake, August 23, 1915. 



e. High Sierra Bat, A'ogelsang Lake, August 31, 1915. 



For accounts of these species, see text, pp. 51-00. 



