228 BIKDS OF BRITISH GUIANA. 



The bird described was collected on the Abary River in July 

 1906. 



Breeding-season. Unknown in British Gniana. 



If est. Unrecorded in British Guiana. 



Eggs. Und escribed from British Gruiana. 



Mange in British Guiana. Takutu River, Abary River [Mc Con- 

 nell collection) ; Bartica, Kamakusa ( Whitely). 



Extralimital Range. Venezuela, Testigos and Margarita Islands, 

 Colombia. 



Habits. Unrecorded in British Guiana. 



500..Myiarc]ius ferox. 



f lEBCE FlYCATCHEK. 



Mtiscicapa ferox Grmel. Syst. Nat.- i; pi -934, 1789 (Cayenne). 

 Myiarchus ferox Cab. in Schomb. Reis. Gruian. iii. p. 700, 1848; W. L. 



Sclater, Ibis, 1887, p. 318 (Maccassema, Pomeroon Kiver) ; P. L. 



Sclater, Cat. B. Brit. Mus. liv. p. 253, 1888 (Bartica Grove, Cama- 



cusa) ; BraboTU-ne & Chubb, B. S. Amer. i. p. 302, no. 3085, 1912 ; 



Beebe, Tropical Wild Life Brit. Guiana, p. 134, 1917. 

 Myiarchus tyrannulus (nee Miill.) Salvin, Ibis, 1885, p. 298 (Camacusa, 



Bartica Grove). 



Adult female. Back, scapulars, and lesser upper wing-coverts 

 olive ; crown of head and ear-coverts dark brown ; wings also 

 dark brown, with pale margins to the median and greater upper 

 wing-coverts and outer webs of the flighi^quills, inner webs of the 

 last margined with whitish ; tail uniform dark brown ; throat 

 and breast ash-grey ; abdomen, under tail-coverts, axillaries, and 

 under wing-coverts lemon-yellow ; under surface of quills brown 

 with pale inner edges ; lower aspect of tail pale brown. 



Total length 173 mm., exposed culmen 21, wing 87, tail 87, 

 tarsus 22. 



The specimen from which the description is taken was collected 

 on the Supenaam River in 1910. 



Adult male. Similar to the adult female but rather larger. 

 "Wing 92 mm. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Upper Takutu Mountains, Supenaam 

 River, Bartica, Kamakabra River, Great Falls Demerara River 



