536 BIRDS OF BRITISH GUIANA. 



Range in British Guiana. Ituribisi River, Supenaam River, 

 Mnkauria River, Abary River, Tiger Creek, Arwye River 

 {McConnell collection) : Merum^ Mountains, Kamarang Rivei', 

 Bartica ( WJiitely). 



Extralimital Range. Surinam (Linne), Venezuela, North Brazil 

 (^Mandos). 



Habits. Schomburgk states (Reis. Guian. iii. p. 668) tliat he 

 met with this species in the thinly wooded districts near the 

 coast and in the plantations. 



688. Tachyplionus intercedens. 

 Allied Crested Tanageb. 



TacJiyphonus cristatus (nee Gmel.) Cab. in Schomb. Reis. Guian. iii. 



p. 668, 1848; Salvin, Ibis, 1885, p. 212 (Bartica Grove, Ataparau 



River); Sclater, Cat. B. Brit. Mus. xi. p. 210, 1886 (Bartica 



Grove, Merume Mts., River Atapurow). 

 Tachyplionus intercedens Berlepsch, Ibis, 1880, p. 113 (Bartica Grove) ; 



Brabourne & Chubb, B. S. Amer. i. p. 421, no. 4342, 1912. 

 Tachyplionus cristatus intercedens Beebe, Tropical Wild Life in British 



Guiana, p. 137, 1917 (Bartica). 



Adult male. General colour, both above and below, black ; fore 

 part of head and crest bright orange ; back dark straw-colour ; 

 inner lesser upper wing-coverts white ; inner webs of flight-quills 

 blackish, margined with white, which increases in extent towards 

 the innermost secondaries, where it occupies • the entire basal 

 portion of the feathers ; middle of throat orange-buff ; axillaries, 

 under wing-coverts, and inner margins of quills below white. 



Total length 1.58 mm., exposed culmeu 11, wing 77, tail 69, 

 tarsus 19, middle toe and claw 15. 



Adult female. General colour of the upper surface ochreous- 

 brown, including the top of the head, sides of face, back, wings, 

 and tail ; inner webs of flight-quills blackish brown with huffy- 

 white margins ; upper tail-coverts rust-colour ; tail rather darker 

 than the back ; under surface ochreous-yellow ; under wing- 

 coverts buff. Wing 75 mm. 



The immature male in its first plumage is similar to the adult 

 feinale, and one of the first approaches of the male attire are the 

 orange-coloured feathers on the crown of the head. 



Breeding-season. Unknown. 



