352 BIRDS OF BRITISH GUIANA. 



pointed bill. The wing is rounded, the third, fourth, and fifth 

 primaries longest and equal, the second slightly shorter than the 

 eighth, and the first about half the length of the second. The tail 

 is rounded at the tip, the outer feather on each side being about 

 one-fourth shorter than the middle ones. The tarsus exceeds 

 the length of the exposed culmen by about one-third. Coloration : 

 male and female similar. 



565. Polioptila innotata. 

 Hellmayr's Gnat-catcher. 



Polioptila huffoni Sharpe, Cat. B. Brit. Mus. x. p. 449, part specimen, b, 



1885 (Demerara). 

 Polioptila innotata Hellmayr, Nov. Zool. viii. p. 359, 1901 (Eio 



Branco) ; Brabourne & Chubb, B. S. Amer. i. p. 329, no. 3358, 



1912. 



Adult male. Crown of head, lores, and nape black ; back, 

 scapulars, and upper wing-coverts lavender-grey ; bastard-wing, 

 primary-coverts, and flight-quills black, the last edged with white 

 on the inner webs, innermost secondaries margined with white 

 on the outer webs, some more broadly than others ; upper tail- 

 coverts and four centml tail-feathers black, the next pair tipped 

 with white, and the two outer ones almost entirely white, the 

 black being restricted to the basal portion ; sides of face, throat, 

 abdomen, under tail-coverts, axillaries, and under wing-coverts 

 white; breast very pale grey; under surface of quills blackish, inner 

 edges white; lower aspect of tail white, black on the middle feathers. 



Total length 108 mm., exposed culmen 10, wing 48, tail 42, 

 tarsus 16. 



The exact locality of the specimen described above is unknown. 



Adult female. Differs from the adult male in the absence of the 

 black on the crown of the head and nape. Wing 45 mm. 



The female described was collected on the Abary River in July 

 1906. 



Breeding-season. Unknown in British Gruiana. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Upper Takutu Mountains, Bonasika 

 River, Abary River, Berbice (McConnell collectimi). 



Extralimital Range. North Brazil. 



ffabits. Unrecorded in British Guiana. 



