448 Binos OF britisiI amANA. 



Genus CARYOTHRAUSTES Bonap. 



Caryothraustes Bonaparte, Consp. Av. i. p. 503, 1851. Type C. cana- 

 densis (Linn.). 



Fig. 169. — Garyothraustes canadensis. 



This genus is easily distinguished by its square tail, which is 

 about two-thirds the length of the wing, the tarsus exceeds the 

 length o£ the exposed culinen by about one-third, and the male 

 and female plumages are alike. 



633. Caryothraustes canadensis. 



Olive Keenbl-eatek. 



Loxia canadensis Linn. Syst. Nat. i. p. 304, 1766 (Cayenne). 

 Coccothraustes viridis Vieill. Enc. Meth. iii. p. 1017, 1823 



("Guyane"). 

 Pitylus canadensis Cab. in Schomb. Eeis. Guian. iii. p. 677, 1848 ; 



Brabourne & Chubb, B. S. Amer. i. p. 370, no. 3799, 1912. 

 Pitylus viridis Salvin, Ibis, 1885, p. 213 (Bartica Grove, MerumS Mts., 



Camacusa) ; Sclater, Cat. B. Brit. Mus. xi. p. 306, 1885 (Bartica 



Grove, Merume Mts.); Beebe, Our Search for a Wilderness, p. 176, 



1910 (Hoorie River). 

 Pitylus canadensis canadensis Beebe, Tropical Wild Life in British 

 ' Guiana, p. 136, 1917 (Bartica). 



" Black-faced Green Grosbeak," " Black-faced Grosbeak " 

 {Beebe). 



Adult male. General colour of the upper parts yellowish green 

 including the head, back, wings, and tail ; inner webs of flight- 

 quills blackish broadly margined with yellow, the black shafts, like 

 those of the tail-feathers, are in strong contrast; fore part of the 

 head paler and inclining to yellow ; lores, a narrow line over and 

 extending behind the eye, fore part of cheeks, and throat deep 

 black ; hinder face, sides of neck, fore-neck, breast, abdomen, and 



