BASILEITTERUS. 417 



Total length 129 mm., exposed culmen 10, wing 70, tail 58, 

 tarsus 21. 



The specimen described was collected hy Mr. McConnell at 

 Mount Koraima during his exj)edition in October 1898. 



Breeding-season. Unknown . 



Nest. Unrecorded. ' 



Eggs. Undescribed. 



Bange confined to British Guiana. Mount Iloraima (McConnell 

 collection) ; Mount Roraima, Merume Mountains {Whiteh/). 



Habits. Unrecorded. 



612. Basileuterus olivascens. 

 Chapman's Olive Warbler. 



' Basilevterus vermivorus (nee Gmel.) Cab. in Schomb. Eeis. Guian. iii. 



p. G67, 1848 (District of Koraima). 

 Sasileiiterus auricapiUus (nee Swains.) Sharpe, Cat. B. Brit. Mas. x. 



p. 393, 1885 (Koraima) ; Salvin, Ibis, 1885, p. 203 (Koraima). 

 Basileuterus vermivorus olivascens Chapman, Auk, 1893, p. 343 



(Princetown, Trinidad). 

 Basileuterus olivascens Brabourne & Chubb, B. S. Amer. i. p. 359, 



no. 3680, 1912. 



Adult. Hind-neck, sides of neck, entire back, outer aspect of 

 wing, and tail olive-green ; inner webs of flighi -quills dark brown 

 with pale edges ; tail-feathers dark brown with olive-green mar- 

 gins to the feathers; an orange-rufous line along the middle of 

 the crown, the feathers tipped with pale slate-grey and becoming 

 entirely grey on the nape ; a black line from the base of the bill 

 to the sides of the nape and is accompanied on the outer side by a 

 narrow whitish streak ; sides of face grey ; under surface 

 including the throat, abdomen, and under tail-coverts yellow; 

 axillaries and under wing-coverts jjale sulphur-yellow; under 

 surface of quills hair-brown ; lower aspect of tail pale grey with 

 white shalts to the feathers. 



Total length 122 mm., exposed culmen 11, wing (J2, tail 53, 

 tarsus 20. 



The specimen described was collected by Mr. McC^onncU at 

 Mount Koraima in October 1898, 



Breeding-season. Unknown in British Guiana. 



JS'est. Unrecorded in liritish Guiana. 



Eggs. Undescribed liom Briti.sh Guiana. 

 VOL. II. 2 E 



