UNIVERSITY OF CALIFORNIA 



[GRINNELL-STORER] PLATE 47 





(I. Nc^-t of Cliff Swallow, one of a colony on rock \vall of gully near Snelling. I'hoto- 

 graphcd May 28, 1915. 



b. Nest of ("alifornia Linnet in old broken Cliff Swallow's nost, in same colony as 

 above. See text, pp. 426, 498. 



[724J 



