CYPSELiDiE. — xxxvm. .99 



partly feathered; toes slightly webbed at base, the hind 

 toe somewhat elevated. Genera fourteen; species one 

 hundred or more, widely diffused; chiefly insectivorous. 

 * Tail rounded ; rictal bristles very long. . Amtrostomus, 1. 

 ** Tail forked ; rictal bristles inconspicuous. . Chohdeilbs, 3. 



/. ANTROSTOMUS, Gould. Whippooewills. 



1. A. vooiferus, (Wils.) Bon. Whippoorwill. Night 

 Jae. Grayish, much variegated; pectoral bar and ends 

 of outer tail feathers white (3) or tawny. ($); rictal 

 bristles unbranched; L. 10; W. 6; T. 5. E. U. S., 

 abundant, nocturnal; noted for its "solemn and pro- 

 phetic" cry. 



2. >J. ca/'o//>ie/JWs, (Gm.) Gould. Chuckwill's Widow. 

 More reddish; rictal_ bristles with lateral filaments; L. 

 12; W. 9; T. 6^. Southern, N. to Ills, {^mison.) 



2. CHORDEILES, Swainson. Night Hawks. 



1. C. virginianus, (Gm.) Bon. Night Hawk. Bull 

 Bat. Blackish, variegated; a large wing spot, bar 

 across tail, and V-shaped blotch on throat — white in 5, 

 tawny or obscure in ?; L. 9^; W. 8; T. 5. U. S.; 

 abundant. \C.popetue, (Vieill.) Bd.] 



FAMILY XXXVIII.— GYPSELID^. 



(The Swifts.) 

 Bill fissirostral, as in Caprimulgidce and Sirundinidce. 

 "Wings very long, thin and pointed; secondaries very 

 short. Feet small, weak; hind toe often elevated or 

 otherwise turned; toes completely cleft. No rictal 

 bristles. Tail feathers 10; plumage compact. In most 

 species the salivary glands are highly developed, and 

 their secretion is used as a glue in the construction of 



