298 



BIRDS OF BRITISH GUIANA. 



J}^est. Unrecorded. 

 Ji^ags. Undescribed. 



Range confined to British Guiana. Mount Roraima {McConnell 

 collection); Mount Roraima, Mount Twek-quey {Whitely). 

 Habits. Unrecorded. 



Genus COTINGA Briss.' 

 Cotinga Brisson, Ornith. ii. p. 340, 1760. Type C cotinga (Linn. J. 



Fig. 117. — To show the attenuated outer primaries. 



The chief character in this genus is the attenuated outer 

 primaries o£ the males. The bill is short, the width at the base 

 being almost equal to the length o£ the exposed culmen. The wing 

 is somewhat pointed, the second and third primaries longest and 

 subequal, the first shorter than the fifth but much larger than the 

 sixth. The tail is square at the tip and nearly three-tenths the 

 length of the wing. The tarsus is about equal in length to the 

 middle toe and claw. Coloration : male and female entirely 

 different. 



Key to the Species. 



A. Head, back, vent, and under tail-coverts dark 



blue; thi'oat and breast purple G. cotinga, d'jp. 299. 



a. Upper and under surface darker; throat 



grey, with dark centres to the feathers . . . 



B. Head, back, breast, abdomen, and under tail- 



coverts pale blue ; throat only purple ... 



b. Upper and under surface paler; throat 



uniform grey, without black centres to 



feathers .-. G. eayHna, $ , p. 300. 



G. cotinga, $ , p. 299. 

 ' C. cayana, S , p. 300. 



