25 



17, Tail feathers ending in sharp 

 spines. 



Chimney Swift . 



18, Bill very slender and awl-shaped. 

 Exceedingly minute birds. 



Fig. 39— Swift 

 p. 152. 



Hummingbird 



n, Feet, medium-sized or small, but not 

 noticeably weak, flabby, or loose- 

 jointed. Legs covered with scales 

 or plates. 



19, Two toes in front, either one 

 or two directed backwards. Bill 

 chisel-shaped at tip. 



Fig. 40 — Hummingbird 

 p. 153. 



Woodpeckers . 



Fig. 41 — Woodpecker 

 p. 144. 



20, Three toes in front; hind toe as 

 well developed and as long as 

 middle toe, claw on hind toe 

 usually as long as or longer than 

 that on middle toe. 



Fig. 42 — Percher 



Perchers p. 154. 



Recognition of Details of the Perchers. 



Bill wider than high at base; tip 

 slightly hooked. 



Flycatchers . 



Note ear-tufts and long hind 

 toe-nail. Longspur and 

 Pipit only other species 

 having latter feature. 



Horned Lark . 



Fig. 43 — Flycatcher 

 (a) Side of bill 

 (6) Top of bill 



Fig. 44 — Horned Lark 



.p. 154. 



.p. 168. 



