KEY TO FAMILIES. LAND BIRDS. 



139 



Bill, slender; first primary, not short, the first, second and third, being about equal in 

 lengtli; hind toe and claw, longer than middle toe and claw; hind toe nail, long, iu tliis 

 somewhat resembling larks, but no tufts o£ hair-like featliers over nostrils. 



% 



530 



Family MOTACILLID^. Pipits, Titlarks, etc. 



See page 311. 



GROUP 4. 



Birds having wings from 3.25 to 9.50 inches long.* 

 Section 1. Bill, with strong hook; toes, armed with talons. 



Eyes, not surrounded by radial dislc of featliers, as iu the Owls ; toes, armed with talon : ; 

 head not bare. Family FALCONID.4B. Hawks, Falcons, Kites, etc. 



See paji'e 162. 



Eyes, surrounded by radiated disk of feathers; plum.age, soft; I)ill, liooked; toes, armed 

 with talons. 



Family BUBONID/E. Hoot Owls, Horned Owls. 



See page 186. 



* For directions for meaBurement, sec page vui. 



