134 



THE BIRDS OF EASTERN NORTH AMERICA. 



557 



Part 2. Upper mandible without notch or hook at tip. 



(1.) Bill, as illustrated; back, gray or bluish gray; 

 bill, over .50 ; nostrils, coucoaled by bristly tufts ; tarsus, 

 scutellate; tail feathers, not stiff or pointed. 

 Family PARID.C 

 Subfamily SITTIN/E. Nuthatches. 

 See page 317. 



(2.) Bill, as illustrated; back, bluish gray; bill, less 

 than .50 ; size, small; length, less than 5.50; first prini;ir\ , 

 very short. Family SYLVIID^. 



Subfamily POLIOPTILIN/E. Gnatcatchers. 



See j)ag e 32<> 



(4.) 

 pointed ; 



(3.) Bill, as illustrated; throat, black ; nostrils, coiu'enlpd 

 by tufts of bristlj' feathers. 



Family PARID/E. Chickadees, Titmice. 552 



See p;ig(; 31 S 



Bill, as illustrated; back, brown or brown streaked; tail feathers, not sharp 



outer tail feathers, shortest ; tarsus, scutellate; lirst primary, short. 



638 



Wren. Hill of Wreu. 



Family TROGLODYTID.^. Wrens. 



See page 312. 



(5.) Bill, iis illustrated; baek, streaked; tail 

 feathers, stiffened and sharply pointed. 



Creeper. 



Family CERTHIID/C. Creepers. 



See page 316. 



