25 



17, Tail feathers ending in sharp 

 spines. 



Figure 39. 



Chimney Swift . 



p. 145. 



18, Bill very slender and awl-shaped. 

 Exceedingly minute birds. 



Figure 40. 



Hummingbird p. 146- 



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. 



Woodpeckers p. 138. 



Figure 41. 



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. 



Figure 42. 



Packers p. 147. 



Recognition of Details of the Perchers. 



Bill wider than high at base; 

 tip slightly hooked. 



a Figure 43. 6 



Flycatchers p j^g^ 



Note ear tufts and long hind 

 toe nail. Longspur and 

 Pipit only other species 

 having latter feature. 



Horned Lark. 



p. 152. 



