23 



9, Bill rather conical; feathered 

 to or about nostril. 



Figure 29. 



Grouse and Quail 



p. 106. 



10, Bill hooked; neck and head bare. 



Figure 30. 



Vultures . 



p. 114. 



1, Feet powerful for hold- 

 ing prey; claws long, 

 strong, sharp, and 

 curved, tarsus feather- 

 ed or bare. 



Figures 31 and 32. 



Birds of Prey P- I 13 - 



11, Naked cere at base of bill. 

 Tarsus always (except Roughleg 

 Hawk and Golden Eagle) bare. 

 Toes always bare (Figure 31). 



Figure 33. 



Hawks and Eagles p. 116. 



