510 BIRDS OF BRITISH GUIANA. 



witli the Finches, meutioned under Tachi/iihnnHS crUtatus, that 

 wander throu<>h the forest. The " Macusis" call it Schuinai. 



G71. Tangara gyrola. 



Chestnut-headed Tanager. 



Fn'iif/ilhr fjj/rola Linn. Syst. Xat. i. p. ISl, 17.").S (" Habitat in America"). 

 TiuKit/ra (fip-ola Linn. Sv«t. Nat. i. p. 31.j, 17GG f.Surinain) ; Hrahounie 



& Cli'u'l)!), 13. S. Anier. 'i. p. 407, no. 41SS, 11)12 ; JJeebe, Tropical 



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

 CaUospiza qyrola, Cab. in Schomb. Reis. Guian. iii. p. 609, 184S. 

 Calliate gi/rola Salvin, Ibis, ISSo, p. 209 (Korainia, 35UU-1U00 ft., 



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



Mas. xi. p. 116, 1SS6 (Bartica Grove, Camacusa, Merume Mts., 



Itoraima). 



Adult male. General colour of tlie upper and under surface 

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

 parts and the throat, sides of the body, axilhiries, aud under tail- 

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

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

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

 yellow; flight-quills black on the inner webs, becoming paler on 

 the niarijins : middle of breast and middle of abdomen dark 

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

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



Total length 118 mm., e.\posed culmen 10, wing 74, tail 4.5, 

 tarsus IG. 



The male described was collected by Mr. Mc(^'0nnell on the 

 Bonasika River in December 1898 when returning ou his ex- 

 pedition to Mount ]ioraima. 



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 

 8iipenaam River in 1911. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in Briiish Guiana. 



J'^!/[/s. Undescribed from British Guiana. 



Range in British Guiana. Mount Koraima, Ituribisi liiver, 

 Supenaam River,- Kanudvabra River, Bonasika River, 31a];auiia 

 River, Tiger Creek Essequebo River, Arawai River, Kamooni 



