492 BIKDS OF BRITISH GUIANA, 



657. Tanagra cayennensis. 

 Cayenne euphonla. 



Tanaqra cayennensis. Gmel. Syst. Nat. i. p. 894, 1789 ("Brasilia"); 

 i3rabourne & Chubb, B. S. Amer. i. p. 402, no. 4133, 1912 ; Beebe, 

 Tropical Wild Life in British Guiana, p. 136, 1917 (Bartica). 



Mwphona cayennensis Cab. in Schomb. Keis. Guian. iii. p. 671, 1848.. 



Huphonia cayana Salvin, Ibis, 1885, p. 208 (Bartica Grove, Camacusa) ; 

 Scl. Cat. B. Brit. Mus. xi. p. 81, 1886 (Camacusa, Bartica Grove). 



Adult male. General colour both on the upper and under 

 surface steel-blue -with purplish reflections on the top of the head, 

 hind-neck, and throat ; inner vyebs of flight-quills blackish mar- 

 gined with white ; tail similar to the back ; sides of breast 

 orange-yellow ; axillaries, under wing-coverts, and inner edges 

 of flight-quills below white, the outer or marginal under wing- 

 coverts steel-blue ; under surface of flight-quills blackish brown. 



Total length 102 mm., exposed culmen 8, wing 60, tail 35, 

 tarsus 16. 



The male described was collected on the Ituribisi River in 

 1909. 



Adult female. Greneral colour of the upper surface yellowish 

 olive ; inner webs of flight-quills blackish with white margins ; 

 inner webs of tail-feathers also blackish ; cheeks, throat, and 

 middle of abdomen dark ash-grey ; sides of breast, flanks, and 

 under tail-coverts old-gold bronze ; axillaries, under wing-coverts, 

 and inner edges of quills below white ; remainder of quills below 

 and lower aspect of tail dark brown. Wing 62 mm. 



The female from which the description is taken was collected 

 on the Ituribisi River in October 1908. 



The young male in its first plumage is similar ^o that of the 

 female. There are two young birds from the Great Falls 

 Demerera River which are in the course of transition, showing 

 the approach of steel-blue feathers both on the upper and under 

 parts and the orange-yellow patch on the sides of the breast. 



Breeding-season. Unknown in British Guiana. 



I^est. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Ituribisi River, Supcnaam River, 

 Kamakabra River, Bonasika River, Anarica River, Arawai 

 River, Great Falls Demerara River, Tiger Creek, Essequebo 

 River {McConnell collection) ; Kamakusa, Bartica {Whitely). 



