PLATE 46 



HuiiiiiiiugLiids which nest in tho Yoseniito region (see t(>xt, pj). 352, 3o3, 35(i) 

 all about i/i,, natmal size. 



(I. Calliope Huniniingbird, male adult; Vo^enlite Valley, June 8, 191.). 



b. Anna Huniniingbinl, female adult; Pleasant X'alley, May 23, 1915. 



c. Black-chinned Hummingbird, male adult; El l^oital. May 2, 191(5. 



Swallows and White-throated Swift compared (see text, p. 351); 

 all about V_> natural size. 



(/. ("liff Swallow; JMeasant Valley, May 27, 1915. 



e. Barn Swallow; Pleasant Valley, May 24, 1915. 



/. Northern Violet-green Swallow; Pleasant Valley, May 24, 1915. 



//. White throated Swift ; Yosemite Point, June 25, 1915. 



