300 BIRDS OF BRITISH GUIANA. 



An immature example collected on the Mazaruni River in 1905 

 shows the approach of male attire in having blue feathers scattered 

 on the upper surface and under tail-coverts and purple ones ap- 

 pearing on the breast and abdomen. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British Gruiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Kako River, Ituribisi River, Supe- 

 naam River, Mazaruni River, Bartica, Bonasika River (McConnell 

 collection) ; Kamarang River, Atapurau River, Bartica ( Whitely). 



Extralimital Range. Surinam (Penarii); Ciiyenne, North Brazil. 



Schomburgk (Reis. Guian. iii. p. 693) mentions this bird as 

 being common near Demerara in the months of January and 

 February in large flocks. The "Macusis" called it Tarika. 



542. Coting-a cayana. 



Cayenne Chatterer. 



Ampelis cayana Linn. Syst. Nat. i. p. 298, 1766 (Cayenne) ; Cab. in 



Schomb. Eeis. Guian. iii. p. 693, 1848. 

 Gotinga cayenna Brown, Canoe and Camp Life, British Guiana, p. 395, 



1876 (Upper Mazarani Eiver). 

 Gotinga cayana Salvin, Ibis, 1886, p. 305 (Bartica Grove) ; Sclater, Cat. 



B. Brit. Mus. xiv. p. 385, 1888 (Bartica Grove) ; Brabourne & Chubb, 



B. S. Amer. i. p. 322, no. 3293, 1912. 



Adult male. Crown of head, sides of face, entire back, and upper 

 tail- coverts pale blue like the breast, abdomen, sides of body, and 

 under tail-coverts ; wings and tail black ; upper and under wing- 

 coverts edged with blue ; flight-quills and tail-feathers narrowly 

 margined with blue, but somewhat darker ; throat*purple ; under 

 surface of flight-quills blackish, cream-white on the inner edges ; 

 lower aspect of tail black. 



Total length 191 mm., culmen (from base of skull) 18, wing 

 109, tail 70, tarsus 21. 



Adult female. Head, back, and wings brown, with pale narrow 

 edges to the feathers ; greater upper wing-coverts, inner edges of 

 primary and secondary quills edged with fulvous ; tail-feathers 

 pale brown, with a ruddy tinge on the inner webs ; ear-coverts 

 grey, with pale shaft-streaks to the feathers ; throat uniform 

 lead-grey ; breast, abdomen, sides of body, and under tail-coverts 

 pale brown, vyith buffy-white edges to the feathens; axillaries, 

 under wing-coverts, and inner margins of the quill-lining rufous- 



