PLATE 21 



Bats of Yosemite Valley ami the higher Sierra Nevada; all about %q natviral size; 

 photographed from fresh specimens. 



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



b. Merriam Bat, Pleasant A'alley, May 23, 1915. 



c. 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 s])ecies, see text, pp. 51-60. 



[686] 



