I 



BIEDS OF NOETH AND MIDDLE AMERICA. 497 



Adult female. — Similar to the adult male but whitish tips to rectrices 

 much narrower (the widest less than 5 mm.) and dull pale buff or 

 pale brownish buff, instead of buffy white; length (skin), 240; wing, 

 138; tail, 128; exposed culmen, 15." 



Island of Jamaica. (Extinct ?) 



[Ca'prim.ulgus] americanus Linn^us, Syst. Nat., ed. 10, i, 1758, 193 ("America 

 calidiore;" based on Small wood owl Sloane, Voy. Jamaica, ii, 296); ed. 12, 

 i, 1766, 346.— Gmelin, Syst. Nat. i, pt. ii, 1789, 1032.— Latham, Index Orn., 

 ii, 1790, 587 (Jamaica; "Guiana").— Gray, Hand-list, i, 1869, 60, no. 683. 



Caprimulgus americanus Vieillot, Nouv. Diet. d'Hist. Nat., x, 1817, 239. 



[Chordeiles] americanus Bonaparte, Consp. Av. i, 1850, 63. 



Siphonorhis americanus Sclater, Proc. Zool. Soc. Loud., 1861, 77 (figs, of head and 

 foot; crit.); Cat. Am. B., 1862, 282; Journ. fur Orn., 1867, 277; Revised List 

 Birds Jam., 1910, 10. — Albrecht, Journ. fiir Orn., 1862, 199. — March, Proc. 

 Ac. Nat. Sci. Phila., 1863, 286.— Cory, Auk, iii, 1886, 344; Birds West Ind., 

 1889, 139; Cat. West Ind. Birds, 1892, 105, 130.— Hartert, Cat. B. Brit. Mus., 

 xvi, 1892, 592 (Trelawny and Westmoreland, Jamaica). — Scott, Auk, ix, 1892, 

 ♦ 276. 



S[iphonorhis] americanus Newton (A. and E.), Handb. Jamaica, 1881, 109. — Hart- 

 ert, Tierreicb, Podarg., Caprim., Macropt., 1897, 33. 



[Siphonorhis] americanus Sharpe, Hand-list, ii, 1900, 83. 



Siphonorhis americana Sclater, Proc. Zool. Soc. Lond., 1866, 144 (mouogr.); 

 Journ. fiir Orn., 1867, 277.— Cory, List Birds West Ind., 1885, 16. 



Liphonorhis [err. typ.] americana Cory, Cat. West Ind. Birds, 1892, 12. 



[Siphonorhis] americana Sclater and Salvin, Nom. Av. Neotr., 1873, 97. 



Genus STENOPSIS Cassin. 



Stenopsis Cassin, Proc. Acad. Nat. Sci. Phila., 1851, 179. (Type, Caprimulgus 

 cayennensis Gmelin.) 



Medium-sized Caprimulginse (length about 195-250 mm.) with tail 

 shorter than wing, truncate or emarginate; bill rather narrow and 

 long; rictal bristles twice as long as bill; tarsus longer than middle 

 toe without claw, feathered for at least upper half (except behind), 

 and tenth primary nearly as long as eighth. 



Bill rather narrowly triangular in vertical profile, its length from 

 frontal feathering much greater than its ^vidth at same pomt. Nostril 

 about midway between frontal feathering and tip of maxilla (or 

 rather nearer the former), roundish, opening in anterior end of sub- 

 tubular or inflated nasal fossa. Rictal bristles long and strong, t-\vice 

 as long as bill or longer. Wing hmg and pointed, the longest prima- 

 ries exceeding distal secondaries by nearly to more than half the 

 length of wing; ninth or eighth and ninth primary longest, the tenth 

 shorter than eighth but very much longer than seventh. Tail less 

 than three-fourths to five-sixths as long as wing, truncate or slightly 

 emarginate. Tarsus longer than middle toe without claw, feathered 



k 



a One specimen. (Feet defective.) 

 3622°— Bull. 50, pt 0—14 32 



