138 



THE BIRDS OF EASTERN NORTH AMERICA. 



times, with wash of yellow ou underparts ; no white on tail. 



Bill, very slightly 

 hooked or notched at tip ; 

 not flattened at base, as 

 in the Flycatchers ; toes, 

 joined at base. Plain 

 colored birds, usually 

 greenish or grayish, at 



Family VIREONID/E. Vireos. 



See page 271. 



Part 2. Tip of upper mandible not notched or hooked. 



(1.) Toes, 4; nostrils, opening into a soft, 

 fleshy membrane; tarsus, usually shorter than 

 toes. 



Family COLUMB1D/E. Pigeons and Doves. 



256 \ 



See page 155. 



(2.) Bill, pointed; first primary, not short; base of bill, 

 extending upon and dividing the feathers of the forehead ; 

 nostrils, exposed; outer tail feathers, shorter than middle feathers. 



Family 1CTERID/E. Orioles. 



See page 213. 



389 



(3.) First primary, not short, 

 never less than t\vo thirds as long as 

 second or third; bill, stout and coni- 

 cal ; nostrils, near the culmen ; prim- 

 aries. 9 ; tarsus, flattened behind. 

 Family FRINGILLID/E. Finches, Sparrows, Crossbills, and Buntings. 



S<-o page 220. 



515 V 622 



(4.) First primary, never less than two thirds as long as 

 third, and often nearly the same length; bill, slender and pointed; 

 back of tarsus, thin and sharp, not rounded, as in front : hind toe 

 and claw, not longer than middle toe and claw. 



Family MNIOTILTID^C. Warblers. 

 See page 275. 



