248 BIRDS OF BRITISH GUIANA. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Ranqe confined to British Gniana. Mount Roraima, Tturibisi 

 River, Supenaani River, Bartica, Kaniakabra River, Bonusika 

 River, Makauria River, Anarica liiver, Arvvye Creek, Great Falls 

 Demerara River, Tiger Creek, Arawai River {AfcConnell collec- 

 tion^ ; Mount Roraima, Merunie Mountains, Kamarang River, 

 Bariica ( Wldtely). 



Habits. Scliomburgk states (Reis. Guian. iii. p. 697) that he first 

 met with this bird in the vicinity of the Roraima Mountain, where 

 it frequented the tall trees as well as the low bush. Its nidification 

 is unknown to him. 



512. Pipra virescens. 

 Olive-green Manakin. 



Pipra virescens Pelzeln, Orn. Bras. pp. 128, 187, 1SG9 (Barra do Rio 



Negro); Salvin & Godman, Ibis, 188.3, p. 208 (Bartica Grove); 



Salvin, Ibis, 1885, p. 300 (Camacusa) ; Sclater, Cat. B. Brit. Mus. 



xiv. p. 302, 1888 (Bartica Grove, Cariniang River) ; Brabourne & 



Chubb, B. S. Amer. i. p. 307, no. 3136, 1912. 

 Tyranneiites hracliijurus Sclater & Salvin, Ibis, 1881, p. 269 (Bartica 



Grovel ; SalviA & Godman, Ibis, 1883, p. 208. 

 Pipra hrachyura Beebe, Our Search for a Wilderness, pp. 342, 848, 392, 



1910. 



Adult male. General colour above olive-green including the 

 head, back, upper wing-coverts, and upper tail-coverts ; a large 

 concealed patch of yellow on the middle of the crown ; bastard- 

 wing, priuuiry-coverts, and flight-quills brown on the inner webs, 

 the last having pale inner edges; tail pale brown ; sides of face, 

 sides of neck, and sides of the body similar to the uj)per surface ; 

 throat streaked with whitish : middle of breast, middle of abdo- 

 men, and under tail-coverts sulfihur-yellow ; axillaries and under 

 wing-coverts pale sulphur-yellow ; greater under wing-coverts 

 and under surface of flight-quills dark brown with })ale inner 

 edges ; under surface of tail pale brown. 



Total length 7G mm., culmen 10, wing 54, tail IS, tarsus 13. 



The male described was collected on the Mazaruni River in 

 October 1907. 



Adult female. Similar to the adult male, but differs in having 

 scarcely any concealed yellow patch on the crown. Wing 50 mm. 



