398 BIRDS OF BRITISH GUIANA. 



Total length 121 ram., exposed culmeu 10, wing Gl, tail 52, 

 tarsus 21. 



The specimen from which the description is taken was collected 

 by Mr. McConnell at Mount iloraima during hi:? expedition in 

 October 1898. 



Adult female. Similar to the adult male but sliglitly smaller. 

 AVing 58 mm. 



Breeding-season. Unknown. 



Nest. Unrecorded. 



Eggs. Undescribed. 



Range confined to British Guiana. Mount Roraima {McConnell 

 collection^ ; Kamakusa, Mount Koraima {Wliitelg). 



Habits. Unrecorded. 



599. Pachy Sylvia luteifrons. 

 Orange-fronted Wood-bird. 



Ilylnphilus luteifrons Sclater, Ibis, 18S1, p. 308 (Bartica Grove) ; 



Gadow, Cat. B. Brit. Mus. viii. p. 311, 1883 (Koraima) ; Salvin, 



Ibis, 1885, p. 204 (Merume Mts., Camacusaj. 

 Puchysylvia luteifrons Brabourne & Chubb, B. S. Amer. i. p. 350, 



no. 3589, 1912 ; Beebe, Tropical "Wild Life in British Guiana, 



p. 136, 1917 (Bartica). 



Adult male. Crown of head, entire back, wings, and tail bronze- 

 brown ; inner webs of flight-quills dark brown with pale margins ; 

 a tinge of yellow at the base of the forehead and on the lores ; 

 sides of face, throat, and under surface greyish green, with an 

 ochreous tinge on the breast and under tail-coverts ; under wing- 

 coverts dull sulphur-yellow, like the inner edges of the quills 

 below ; under surface flight-quills dark brown ; lower aspect 

 of tail yellowish brown. 



Total length 94 mm., exposed culmen 10, wing GO, tail -lO, 

 tarsus 14. 



The specimen described was collected on the Ituribisi Uiver. 



Adult female. Similar to the adult male and differs only in 

 being rather smaller. Wing 54 mm. 



Breeding- season . U n k n o w n . 



JSest. Unrecorded. 



Bggs. Undescribed. 



Range connned to British Guiana. Ituribisi River, Supenaam 



