BISHOP TANAGER. * 447 



Sayacu. Buff. Hist. Nat. Ois. 4. 288. 



Tangara tachete de Cayenne. Buff. PI. Enl. 30 \.f. I. 



Sayacu Tanager. Lath. Gen. Syn. $. 227. 19. 



LENGTH not quite six inches : beak black : the 

 prevailing colour of the plumage is of a variable 

 cinereous and green hue ; the upper parts having 

 the greatest proportion of the latter. It inhabits 

 Cayenne, and is called Sayacou. 



BISHOP TANAGER. 

 (Tanagra Episcopus.) 



TA. cinerea, aliscaudaque exlus caruleis. 



Grey Tanager, with the wings and tail blue on their outer edges. 



Tanagra Episcopus. Ian. $yst. Nat. 1. 310. 19. Gmel. Sytf. 



Nat. 1. 895. Briss. Orn. 3. 40. pi. 1-f- 2. Loth. Ind. Orn. 



1. 424. 17. 



Le Bluet. Buff. Hist. Nat. Ois. 4. 265. pi. 12. 

 L'Eveque. Buff. PI. Enl. l/S./. 1. 2. 

 Sayacu. Edwards. Glean. 351.f. 1. 

 Bishop Tanager, Pen. Arct. Zool. 2. 240. ? Lath. Gen. Syn. 3. 



226. J 8. 



THIS elegant species is found in Cayenne : it is 

 six inches and a quarter in length : its beak is 

 black, with the under mandible greyish : the pre- 

 vailing colour of the bird is greyish blue, in some 

 parts inclining to green, and in others to grey, 

 according to the position of the light : the lesser 



v. x. P. ii. 29 



