418 BIRDS OF BRITISH GUIANA. 



Range in British Ghiiana. Mount Roraima (McConnell collec- 

 tion) ; Mount Roraima ( Whitely) . 



Extralimital Range. Trinidad, Venezuela, Colombia. 



Habits. Schomburgk states (Reis. Guian. iii. p. 667) that lie 

 found this species in the thinly wooded district of Mount Roraima 

 at an altitude of 3000 to 4000 feet. 



613. Baslleuterus mesoleuous. 



Demebara Warbler. 



Baslleuterus mesoleucus Sclater, P. Z. S. 1865, p. 286, pi. ix. fig. 1 

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

 B. Brit. Mus. x. p. 402, 1885 ("Camacusa) ; Brabourne & Chubb, 

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



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

 of 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 abdotiien, 

 and under tail-coverts iawn-colour ; under wing-coveits whitish, 

 tinged with rufous. 



Total length 123 mm., exposed culnien 12, wing 56, 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. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in Biitish Guiana. Ituribisi River, Supenaam River, 

 Karaakabra River {McConnell collection) ; Kainakusa {Whitely). 



Extralimital Range. Venezuela, North-east Brazil. 



Habits. Unrecorded in British Guiana. 



