64 BIRDS OP BRITISH GUIANA. 



a broader one on the middle of the crown and nape ; mantle 

 olive-brown with black tips and white bases to the feathers ; upper 

 wing-coverts black with a white spot at the tips of the feathers; 

 bastard-wing white on the outer edge ; outer aspect of flight- 

 quills, rump, upper tail-coverts, and tail rust-brown ; inner webs 

 of the primary and secondary q-uills blackish with whitish edgings; 

 the tail-feathers have also pale edgings at the tips ; loral streak 

 white with bristly black tips to the feathers ; a spot in front of 

 the eye entirely black ; throat, fore-neck, breast, and middle of 

 abdomen white with dark edges and black centres to the feathers, 

 which are broader on the sides of the breast, narrower on the 

 middle portion, and almost entirely absent on the abdomen; flanks 

 and under tail-coverts pale ferruginous ; under' wing-coverts for 

 the most part white ; quill-lining pale brown with buffy- white inner 

 edges ; lower aspect of tail similar to that of the upper surface. 



Total length 109 mm., exposed culmen 14, wing 55, tail 40, 

 tarsus 21. 



The male described was collected on the Makauria River in 

 August 1910. 



Adult female. Similar to the adult male, but the pale markings 

 on the head and face isabelline instead of white, and the upper 

 wing-coverts rust-brown with buff spots at the tips of the feathers 

 instead of black with white tips, the feathers on the mantle 

 uniform olive-brown instead of having black tips with white bases. 

 Wing 58 mm. 



The description of the female is taken from a specimen collected 

 on the Abary River in November 1906. 



Breeding-season. Unknown in British Guiana. 



JS'est. Unrecorded in British Guiana. 



I^ggs. Undescribed from British Guiana. 



Range in British Guiana. Mount Roraima, Supenaam River, 

 Bartica, Kamakabra River, Bonasika River, Makauria River, 

 Abar^ River, Arawai River, Tiger Creek, Essequibo River, Arwye 

 CIreek (McConnell collection) ; Kamakusa, Takutu River, Bartica" 

 {Whitely). 



Extralimital Range. Surinam {Penard>), Cayenne {Boddaert), 

 North Brazil. 



Habits. Schomburgk states (Reis. Guian. iii. p. 684) that this 

 bird is found more commonly in the woods near the coast than in 

 those of the interior. It hops about in the lower part of the 

 bushes and on the ground in search of food. • 



