25 



17, Tail feathers ending|in sharp 

 spines. 



Fig. 39 SWITT 



Chimney Swift p. 152. 



18, Bill very slender and awl-shaped. 

 Exceedingly minute birds. 



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 

 <W 



) Top of bill 



a b 



Fig. 44 HORNED LARK 



p. 154. 



.p. 160. 



