418 BIRDS OF BRITISH GUIANA. 



Range in British Gxnana. Mount liorainia {McConuell collec- 

 tion) ; Mount Roraima (Whitehj). 



E.vtralimital Range. Trinidad, Venezuela, (>oIombia. 



Habits. Scbomburgk states (Reis. Guian. iii. p. 6G7) that he 

 found this species in the thinly wooded district of Mount Roraima 

 at an altitude of 3000 to 4000 feet. 



613. Basileuterus mesoleucus. 



Demerara Warbler. 



Basileuterus mesoleucus Sclater, P. Z. S. 18G5, p, 286, pi. ix. fig. 1 

 (Demerara) ; Salvin, Ibis, 1885, p. 203 (Camacusa) ; Sharpe, Cat. 

 B. Brit. Mus. X. p. 402, 1885 (Camacusa); Brabom-nc & Chubb, 

 B. S. Amer. i. p. 360, no. 3688, 1912. 



Adult. Head, back, wings, and tail russet-brown ; inner webs 

 o£ flight-quills blackish ; a loral streak which extends over the 

 eye to the sides of the nape fawn-colour like the sides of the face ;' 

 throat, breast, and upper abdomen white, with a tinge of pale 

 fawn-colour across the fore-neck; sides of body, lower abdomen, 

 and under tail-coverts fawn-colour ; under wing-coverts whitish, 

 tinged with rufous. 



Total length 123 mm., exposed culmen 12, wing 5G, tail 52, 

 tarsus 22. 



The specimen on which the description is based was collected 

 on the Ituribisi River in 1909. 



Breeding-season. Unknown in British Guiana. 



Kest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Ituribisi River, kSupenaam Rivei", 

 Kamakabra River {McConnell collection) ; Kamakusa { Whitelg}. 



E.dralimital Range. Venezuela, North-east Brazil. 



Habits. Unrecorded in British Guiana. 



