JAN., 1909. BIRDS OF ILLINOIS AND WISCONSIN CORY. 



127 



First primary, about one- 

 half as long as third; feet, 

 zygodactyle (toes, two in front, 

 two behind ) ; outer tail 

 feathers, very much shorter 

 than middle feathers. 

 Family CUCULID^E. Cuckoos. 

 See page 161. 



Bill, stout and strong; the nostrils con- 

 cealed by coarse hair-like feathers; outer 

 tail feathers, shorter than middle feathers; 

 first primary, decidedly less than half as 

 long as third; tail, over seven inches long 

 (Magpies ) ; first primary, about half as 

 long as third; tail, less than seven inches 

 long (Jays). 



Family CORVIDJE. Subfamily 

 GARRULIN^E. Magpies and Jays. 

 See page 176. 



Tail, rounded; the outer feathers, shorter than middle ones; first 

 primary, less than two-thirds as long as third; second primary, much 

 shorter than third ; tarsus, scutellate. 



Family MIMID^E. Thrashers, Mocking-birds, Cat-birds, etc. 



See page 265. 



First primary, very short ; tarsus, booted (no scales showing, except 

 near the toes) ; bill, shorter than head; wing, over 3.50 inches long. 



