CAPRIMVLGID&. 2 97 



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 2 . 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.) 



Micropodidse. (Page 302.) 

 a 2 . Secondaries only six ; bill long as head, or longer, slender, the gape not deeply 

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



Trochilidae. (Page 303.) 



Family CAPRIMULGIDiE.— 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 2 . Gape with conspicuous bristles ; tail even or rounded. 



b 1 . Tarsus shorter than middle toe, and feathered in front almost to the toes ; 



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



b 2 . 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 a . Tail much rounded, nearly equal to or longer than wing, the latter 6.00 

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



