PLATE 19 



a. Lookinu- westward to Mounts Dana and Ciiblss from meadow at Farrington Eaneli, 

 southwest of Mono Lake; photographed June 22, 191G. Meadow in foreground is in 

 Transition Zone; low hills beyond, interrupted!}^ clothed vvith Jeffrey pine, are in 

 Canadian Zone; the forests, chiefly of lodgepole pine, on the slopes of the peaks repre- 

 sent the Hudsonian Zone, and the upper bare portions of the two mountains are in the 

 Alpine-Arctic Zone. (This fignre is reversed, left to right.) 



b. Side of Williams Butte facing northeast toward Mono Lake; Transition Zone. 

 Trees on the Butte are pinon pines, while in the foreground are bushes of Kunzia and 

 sagebrush, with a strip of willows in the middle distance. Some birds characteristic 

 of the pinon covered hill in September were Black-billed Magpie, Woodhouse Jay, Piiion 

 Jay, and Short-tailed Mountain Chickadee, while in the sagebrush were Nevada Sage 

 Sparrow, Brewer Sparrow, Green-tailed Towhee, and Sage Thrasher. 



For discussion of the life zones in this vicinity, see text, pp. 8-10. 



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