230 



BIRDS OF BRITISH GUIANA. 



Range confined to British Guiana. Mount Iloi'aima, Upper 

 Takutu Mountains [McConnell collection) ; Mount Roraima and 

 Merume Mountains ( Whitely). 



Habits. Unrecorded. 



502. Myiarchus nigriceps. 



Sclater's Black-headed Flycatcher. 



Myiarehus nigrice'ps Solater, P. Z. S. 1860, p. 68 (Pallatanga, Ecuador); 

 Salvin, Ibis, 1885, p. 298 (Koraima, 3500 ft., Merumg Mts., 

 Camacusa); Sclater, Cat. B. Brit. Mas. xiv. p. 258, 1888 (Roraima); 

 Brabourne &, Chubb, B. S. Amer. i. p. 203, no. 3093, 1912. 



Adult male. Crown of head black; back olive-^reen ; outer 

 edges of the greater upper wing-coverts and secondary-quills 

 inclining to green ; under surface for the most part yellow. 



Total length 172 mm., exposed culmen 20, wing 81, tail 74, 

 tarsus 18, middle toe and claw 14. 



Adult female. Similar to the adult male but smaller. Wing 73 mm. 



The specimens from which the descriptions are taken were 

 collected on the Ituribisi River, 1908 and 1909. 



J3reeding -season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Ituribisi River, Supenaam River, 

 Bartica, Kamakabra River, Arawai River (McConnell collection). 



Extralimital Range. North Brazil,Venezuela,Colomhia, Ecuador. 



Habits. Unrecorded in British Guiana. 



Genus EMPIBONOICUS Cab. & Hein. 



Empidonomus Cabanis & Heine, Mus. Hein. ii. p. 76, 1859. Type 

 E. vurius (Vieill.). 



Fig. 94. — Empidonomus varius. i 



In this genus the.|)ill is flattened, its width at the base is about 



