4. STENOPSIS. 583 



white at base, the third longest ; a white line from the base of the 

 mandible to the ear-coverts ; throat, sides of the neck, and breast 

 chestnut, undulated with black ; lower abdomen, under mng-coverts, 

 and lateral rectrices pure white, the latter partly margined with 

 buff. Total length about !) inches, wing about G, tail 4. {Pelzeln.) 



? Fanale. Primaries and tail barred. 



Hah. Irisanga, S. Brazil. 



'2.. Stenopsis cayennensis. 



Engoulevent varie de Cayenne, Buff. Hist. Nat. Ois. ii. p. 545 



(1779). 

 Crapaud volant de Cayenne, Dauhent. PI. Enl. 760 (1783). 

 Caprimulgus cayennensis, Gm. Syst. Nat. ii. p. 1031 (1788) ; Cab. in 



Schomb. Guiana, iii. p. 710 (1848). 

 Caprimulgus leopetes, Jard. ^- Selby, III. Oni. ii. pi. 87. 

 Stenopsis cayennensis, Cass. Pr. Ac. Phil. v. p. 179 (1851) ; Cab. Sf 



Heim, Mas. Hein. iii. p. 91 (1860) ; Scl. Cat. Am. B. p. 280 



(1862) ; id. P. Z. S. 1866, p. 140 ; Pelz. Orn. Bras. p. 12 (1867) ; 



Gray, Hand-l. i. p. 59 (1869) ; Scl. ^- Salvin, Numencl. Av. Neotr. 



p. 96 ( 1 .s73) ; iid. P. Z. S. 1879, p. 531 ; Cory, Aid; iii. p. 343 ; Salvin, 



Ibis, 1885, p. 439 (B. Guiana); Cory, B. W. Ind. p. 138 (1889). 

 Caprimulgus cayami.s, Lath. Ind. Orn. ii. p. 587 (1790). 

 Caprimulgus odontopteron, Less. Rev. Zuol. 1839, p. 105. 

 Antrostomus odonpteron, Bp. Consp. i. p. 61 (1850). 

 ? Stenopsis albicauda, Lawr. Ann. Lye. N. Y. 1874, p. 89 (Costa 



Rica). 



Adult male. Upper surface pale brownish grey, narrowly streaked 

 and verraiculated with blackish ; feathers of the crown blackish, 

 with light rufous margins ; a rufous band across the hind neck ; 

 scapulars very deep brownish black in the middle, bordered with 

 fulvous ; first four primaries blackish brown, with a broad band 

 of white across the middle and a narrow incomplete one near the 

 base, the remainder with three somewhat incomplete bars ; secon- 

 daries with white tips and two broad white spaces occupying almost 

 the whole of the inner webs ; outer pair of rectrices pure white, 

 with one deep brown bar in the middle, the following two pairs 

 with a cross bar, the tip and a broad margin on the outer web 

 deep brown, the next pair to the central one similarly coloured, but 

 without the bar ; central pair greyish brown, undiUated and narrowly 

 barred with deep brown ; chin, throat, and lower abdomen white ; 

 lower tail-coverts buffy white ; breast and upper abdomen brown 

 and buff. Total length about 9 inches, wing 5"6 to 6, tail 4'7 to 5, 

 tarsus 0-(j3, feathered for half its length. 



Adult female. Very different from the male ; above darker and 

 more uniform ; spots and bars on the quills rufous ; no white in the 

 tail ; chin, throat, and abdomen buff, with darker bars. Wing 5'5 

 inches, tail 4"1. 



Younr/ male. Spots on the primaries not white but rufous ; throat 

 and abdomen not pure white ; outer rectrices shaded with buff, 

 outer webs brown, barred with fulvous ; a blackish bar of irregular 

 form on the outer pair, but with traces developed on the pair next 

 to the central ones ; with age this bar becomes more and more 



