KEY TO BIRDS 
33 
Bill stout, nostrils covered by bristly tufts. 
Crows, Jays, etc 
Figure 46 
.... p. 303 
Keel of bill usu- 
ally extending 
more or less up 
on forehead. 
Figures 47 and 48 
Cowbird and 
bobolink (Fig- 
ure 47) have 
bills resembling 
those of the 
sparrows. See 
species. 
Starlings 
Figures 49 and 50 
p. 368 
Figures 51, 52, and 53 
Bill conical, stout for seed cracking. (Bills of bobolink (Figure 47) and 
cowbird superficially similar, See descriptions.) 
Sparrows p. 379 
