CARYOTHKAUSTES. 449 



under tail-coverts yellow tinged with green, more strongly on tlie 

 sides o£ the body : axillaries, under wing-coverts, and inner edges 

 of quills below pale lemon-yellow ; remainder of the flight-quills 

 below dark brown ; lower aspect of tail similar to its upper 

 surface but darker. 



Total length 164 mm., exposed culmen 14, wing 90, tail 65, 

 tarsus 22. 



The bird described was collected on the Ituribisi River in 

 November 1906. 



Adult female. Similar in colour of plumage to the adult male. 

 Wing 85 mm. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Ituribisi River, Supenaam River, 

 Bartica, Kamakabra River, Mazaruni River, Tiger Creek (McCon- 

 nell collection) ; Merum6 Mountains, Bartica, Kamakusa ( Whitely) . 



Extralimital Range. Surinam [Penard), Northern Brazil. 



Habits. Sohomburgk states (Reis. Guian. iii. p. 677) that he met 

 with this species on the outskirts of the woods near the coast. 

 The " Warraus " call it Waeruhi. 



The following note has been quoted from Beebe (Our Search 

 for a Wilderness, p. 176) : — "Among the hosts of smaller birds 

 which haunted the tree-tops at the edge of the clearing, the Black- 

 faced Grosbeaks were especially noticeable. In colour tliey 

 reminded one of immature male Orchard Orioles, being yellowish 

 green with black throat and face. They fed morning and evening 

 on the reddish berries of a great vine which ripened its fruit in 

 the tree-tops, and here their song was repeated over and over, 

 a rattling buzz, like the rapid stroke of a stick along the palings 

 of a fence, followed by three liquid, whip-like notes, thus : 



^ 



, the buzz part of the song also did duty as the 

 call-note." 



VOL. II. 2 G 



