510 BIRDS OF BRITISH GUIANA. 



with the Finches, mentioned under (TachypJionus cristatus, that 

 wander through tlie forest. The " Macusis " call it Schumai. 



^o 



671. Tangara gyrola. 



Chestnut-headed Tanager. 



Fringilla gyrola Linn. Syst. Nat. i. p. ISl, 1758 (" Habitat in America"). 

 Tanaqra gyrola Linn. Syst. Nat. i. p. 315, 1766 (Surinam) ; Brabourne 



& Chubb, B. S. Amer. i. p. 407, no. 4188, 1912 ; Beebe, Tropical 



Wild Life in British Gdana, p. 137, 1917 (Bartica). 

 Callospiza qyrola. Cab. in Schomb. Eeis. Guian. iii. p. 669, 1848. 

 Galliste gyrola Salvin, Ibis, 1885, p. 209 (Eoraima, 3600-4000 ft., 



Merume Mts., Camacusa, Bartica Grove) ; Sclater, Cat. B. Brit. 



Mus. xi. p. 116, 1886 (Bartica Grove, Camacusa, Merume Mts., 



Eoraima). 



Adult male. General colour of the upper and under surface 

 bright green, including the back, wings, and tail on the upper 

 parts and the throat, sides of the body, axillaries, and under tail- 

 coverts on the under surface ; crown of head, sides of face, aud 

 chin rich chestnut ; a slightly indicated yellow band on the hind- 

 neck dividing the chestnut and green ; lesser upper wing-coverts 

 yellow J flight^quills black on the inner webs, becoming paler on 

 the margins ; middle of breast and middle of abdomen dark 

 turquoise-blue ; under wing-coverts dusky-grey ; under surface 

 of flight-quills and lower aspect of tail dark brown. 



Total length 118 mm., exposed culinen 10, wing 74, tail 45, 

 tarsus 16. 



The male described was collected by Mr. McClonnell on the 

 Bonasika Eiver in December 1898 when returning on his ex- 

 pedition to Mount Roraima. 



Adult female. Similar to the adult male. Wing 70 mm. 



The young in its first plumage is easily distinguished by the 

 absence of chestnut on the crown of the head and sides of the face, 

 which are green. The specimen mentioned was collected on the 

 Supeiiaam River in 1911. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in Briiish Guiana. 



Kggs. Undescribed from British Guiana. ' 



Range in British Guiana. Mount Roraima, Ituribisi River, 

 Supenaam River, Kamakabra River, Bonasika River, Makauria 

 River, Tiger Creek Essequebo River, Arawai River, Kauiooni 



