U. S. NATIONAL MUSEUM 



BULLETIN 170 PLATE 55 



Near Fairbanks. Alaska, June 23, 1922 

 Courtesy U. S. Biological Survey. 



O. J. Murie. 



Nesting site of Great gray Owl. 



Ne Winnipeg, Manil vl 'A 1932. A.G.Lawrence. 



YOUNG RICHARDSON'S OWLS IN JUVENAL PLUMAGE 



