UNIVERSITY OF CALIFORNIA 



[GRINNELL-STORERI PLATE 43 



-.a'.-'- «•=? «sr; 



'5-A?:5^2 ' 



((. Mariposa Fox Sparrow; Yo^enute Point, June 4, li»]5. 



b. Green-tailed Towhee; Yosemite Point, June 4, 1915. 



c. Sacramento Spurred (Spotted) Towhee; El Portal, December 8, 1914. 



All photographe.l, about % natural size, from freshly taken specimens, to show 

 diagnostic features. All are ground dwellers; a and c are preeminently "scratching" 

 sparrows. See text, pp. 47.3, 478, 482. 



