23 



9, Bill rather conical; feathered 

 to or about nostril. 



■^p:;^-^' 



Figure 29. 



Grouse and Quail P • ^^"' 



10, Bill hooked; neck and head bare. 



Vultures . 



Figure 30. 



p. 114. 



1, Feet powerful for hold- 

 ing prey; claws long, 

 strong, sharp, and 

 curved, tarsus feather- 

 ed or bare. 



Birds of Prey. 



Figures 31 and 32. 



p. 113. 



11, Naked cere at base of bill. 

 Tarsus always (except Roughleg 

 Hawk and Golden Eagle) bare. 

 Toes always bare (Figure 31). 



Hawks and Eagles. 



Figure 33. 



p. 116. 



