144 



THE BIRDS OF EASTERN NORTH A:\IEKICA. 



Rill, small, flattened, and soinewliat trianj^ular in shape, the gape very wide; wings, very 



long, usually extending beyond the tail. (Cliim- 

 ney Swifts, which belong to a very different 

 family, are often mistaken for Swallows when 

 seen flying about; they are smoky black and 

 the shafts of the tail feathers extend in spines 

 bej'oud the webs. See next Family.) 



Swallow. 



Swallow. 



^fartin. 



Family HIRUNDINID/E. Swallows and Martin? . 



See page 265. 



Plumage, smoky black; shafts of tail feathers, extending beyond the web in sharp spines. 

 Sometimes mistaken for Swallows bj' persons unfamiliar with birds. 



Family MICROPODID/E. Swifts. 



See page 199. 



First i)rimary, about half as long as third; 

 Toet, zygodac-tyle (toes, two in front, two be- 

 hind) ; outer tail feathers, very much shorter 

 1 linii middle fcatlicrs. 



Family CUCULID/E. Cuckoos. 



320 



Seepage 188. 



