514 BIRDS OF BRITISH GUIANA. 



Eggs. Undescribed. 



Range confined to British Guiana. Mount Roraima [McConnell 

 collectiony ; Mount Roraima {Whitely). 

 Habits. Unrecorded. 



Genus THRAUPIS Boie. 

 thraupis Boie, Isis, 1826, p. 974. Type T. archiepiscopus (Desm.). 



rig. 189. — Thraupis episcopus. 



The species on which this genus was founded are birds o£ 

 medium size and somewhat bright coloration. The bill is conical, 

 the width and depth at the base are about equal, and the tip of the 

 upper mandible is slightly hooked and the nostrils are exposed. 

 The wing is rounded, the second, third, and fourth primaries are 

 longest and equal, and the first is ralher shorter than the fifth 

 but much longer than the sixth. The tail is squai-e at the tip and 

 about two-thirds the length of the wing. The tarsus exceeds the 

 length of the exposed cuhnen by nearly one-half. Coloration: 

 male and female similar. 



Key to the Species. 



A. General colour pale blue T. episcopus, p. 514. 



B. General colour dark olive T. melanoptera, p. 516. 



675. Thraupis episcopus. 

 Bishop Tanager. 



Tanagra episcopus Linn. Syst. Nat. i. p. 316, 1766 (" Brasilia ") ; Cab. 

 in Schomb. Eeis. Guian. iii. p. 670, 1848; Salvin, Ibis, 1885, 

 p. 210 (Bartica Grove, Merume Mts., Camacusa, Eoi-aima, 

 3000-3500 ft.) ; Sclater, Cat. B. Brit. Mus. xi. p. 154, 1886 

 (Bartica Grove, Camacusa, Roraima) ; Quelch, Timehri (2) iv. 

 pp. 121, 189, 1890 (Great Falls Demerara Eiver) ; id. op. cit. v. 

 p. 80, 1891 (Georgetown) ; Lloyd Price, torn. cit. p. 68 (nests and 

 eggs). 



Tanagra serioptera Cab. in Scbomb. Eeis. XJuia^. iii. p. 670, 1848. 



