26 



Bill stout, nostrils covered by bristly tufts. 



Figure 45. 



Crows, Jays, etc. 



Keel of bill us- 

 ually extending 

 more or less up 

 on forehead. 



Cowbird and 

 Bobolink (Fig- 

 ure 46) have 

 bills resembHng 

 the sparrow, 

 see species. 



/l^;ji 



Figures 46 and 47. 



p. 153. 



Figures 50, 51 and 52. 



Bill conical, stout for seed cracking. (Bills of BoboHnk and Cowbird 

 superficially similar, see descriptions.) 



Sparrows p. 161. 



Shght or marked tooth on cutting side of 

 upper mandible. 



Tanagers p. igo. 



