CAPRIMULGIDJS. 297 



ORDER MACROCHIRES. THE GOATSUCKERS, 



SWIFTS, ETC. (Page 2.) 



Families. 



a 1 . Secondaries more than six ; bill short, very broad at base, the gape deeply cleft ; 



plumage not metallic. 



b l . Middle toe much longer than lateral toes, its claw with inner edge pecti- 

 nated; gape more or less distinctly bristled; plumage much spotted, 

 the feathers soft, with downy or moth-like surface. (Suborder Capri- 



mulgi.} Caprimulgidse. (Page 297.) 



b*. Middle toe not distinctly longer than lateral toes, its claw with edge not 

 pectinated ; gape without bristles ; plumage plain and compact, the 

 feathers with smooth surface. (Suborder Cypseli.') 



Micropodidae. (Page 302.) 



a*. Secondaries only six ; bill long as head, or longer, slender, the gape not deeply 

 cleft ; plumage more or less metallic. (Suborder Trochili.') 



Trochilidse. (Page 303.) 



FAMILY CAPRIMULGIDSE. THE GOATSUCKERS. (Page 297.) 



{Eggs deposited on bare ground, dead leaves, gravel, or sand, 2, broadly ellip- 

 tical-oval, plain or spotted.) 



Genera. 



a 1 . Gape without conspicuous bristles ; tail emarginated. 



Chordeiles. (Page 300.) 

 a a . Gape with conspicuous bristles ; tail even or rounded. 



b l . Tarsus shorter than middle toe, and feathered in front almost to the toes ; 



first quill longer than fourth Antrostomus. (Page 298.) 



b*. Tarsus longer than middle toe, entirely naked in front ; first quill shorter 



than fourth. 

 c 1 . Tail even, much shorter than wing, the latter less than 6.00; quills 



without white patch Phalaenoptilus. (Page 299.) 



c s . Tail much rounded, nearly equal to or longer than wing, the latter 6.00 

 or more; quills with a white patch... Nyctidromus. (Page 300.) 



