366 BIRDS OF RRITISH GUIANA. 



hinder crown and nape somewhat more rufous than the hack ; 

 fore part of head deep rufous; sides of face and throat ferruginous; 

 the feathers towards the sides of neck slightly fringed with black ; 

 middle of breast and middle abdomen whitish ; sides of body 

 dusky-brown ; thighs, under tail-coverts, and under wing-coverts 

 pale ferruginous; under surface of flight-quills pale brown; 

 lower aspect of tail similar but rather darker than above. 



Total length 113 mm., exposed culmen 14, wing 65, tail 35, 

 tarsus 21. 



The specimen from which the description is taken was collected 

 on the Kamakabra River in 1911. 



Adult female. Similar to the adult male but everywhere i)aler. 

 Wing 60 mm. 



Breeding-season. July {Bee})c). 



Nest, "(/omposed almost entirely of leaf skeletons, bound 

 tightly together with fine fibres and a few blades of coarse grass. 

 The entrance passage was quite large and opened upon the small 

 inner cavity near the top" {Beehe). 



Eijgs. "Pure white with very little gloss. Dimensions 22 x 

 15*5 mm." {Beehe). 



Range in British Guiana. Mount Roraimn, Mazaruni River, 

 Ituribisi River, Supenaam River, Bartica, Kamakabra River, 

 Makauria River, Arawai River (McConnell collection) ; Upper 

 Pomeroon and Wenamu Rivers (^Scliomhurgk) ; Maccasseema, 

 Pomeroon River ( W. L. Sclater) ; Merume iAJountains, Kamakusa, 

 Kamarang River ( Whitely) ; Aremu and Hoorie Rivers (Beehe). 

 E.xtralimital Range. Surinam (Bartlett), Cayenne (^Boddaert), 

 North Brazil. 



Haltits. In regard to this species Schomburgk (Reis. Guian. iii. 

 p. 673) makes the following remarks : — This " the tropics " mag- 

 nificent songster was met by him most frequently in the dense 

 coast woods, especially on the Upper Pomeroon River and its 

 tributaries. He and his brother met with it near the River 

 Wenamu, a tributary of the Upper Cuyuni, at an altitude of three 

 thousand feet. This beautiful bird commences to sing immediately 

 at sunrise but apjiears to be perfectly silent during the day. It 

 lives in flocks and during the day flies from bush to bush, but 

 never more than one or tivo feet from the ground, in search of 

 food; it hops about also on the ground for the same purpose. 

 Its food consists of insects and berries. Its nidification was 

 unknown to him. 



