134 THE BIRDS OF EASTERN NORTH AMERICA. 



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



n.) Bill, as illustrated; back, grayer bluish gray; 

 bill, over .50; nostrils, conocaled bj- bristly tufts ; tarsus, 

 scutellate; tail feathers, not still'or pointed. 

 Family PARID/^. 

 Subfamily SITTIN/E. Nuthatches. 

 See page 317. 



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

 than .50 ; size, small; length, less tliiin 5.50 ; lirsl i)rini:iry. 

 557 very short. Family SYLVIID/E. 



Subfamily POLIOPTILIN/E. Gnatcatchers. 



See pag e 320. 



(3.) Bill, as illustrated; throat, black ; nostrils, roiKcale.l 

 by tufts of bristly feathers. 



Family PARID/E. Chickadees, Titmice, 552 



See page 31 S 



(4.) Bill, as illustrated; .Jback, brown or brown streaked; tail feathers, not sharp 



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



Wren. 

 Family TROGLODYTID/E. Wrens. 



See page 312. 



(5.) Bill, as illnstrateil; bnek, streaked; tail 

 feathers, stiffened and sharply pointed. 



Creeper. 



Family CERTHIID/E. Creepers. 



See page 316. 



