270 BIRDS OF BRITISH GUIANA. 



base of forehead and sides of face dark brown ; chin, upper throat, 

 breast, abdomen, sides of body, and under tail-coverts dull slaty- 

 black ; a patch of rose-red on the lower throat ; under wing- 

 coverts and terminal portion of flight-quills below dark brown ; 

 base of quills and a portion of the outer under wing-coverts white, 

 the latter extending on to the edge of the wing; lower aspect of 

 tail dark brown. 



Total length 166 mm., exposed culmen 18, wing 84, tail 60, 

 tarsus 19. 



The specimen described was collected on the Mazaruni River in 

 1905. 



Adult female. Head and back slate-grey ; outer aspect of wings 

 rufous ; bastard-wing and inner webs of primary-coverts dark 

 brown ; inner webs of flight-quills, approximate to the shafts, also 

 dark brown which is confined to the tips on the inner secondaries, 

 which latter are almost entirely rufous ; upper tail-coverts and tail- 

 feathers uniform rufous ; sides of face, throat, and entire under sur- 

 face of body including the under tail-coverts cinnamon-rufous ; 

 under wing-coverts, inner edges of quills below, and lower aspect 

 of tail also rufous but deeper in colour ; terminal portion of the 

 quills below dark brown. Wing 91 mm. 



The female from which the description is taken was collected 

 on the Bonasika River. 



Immature male. In its first plumage is like that of the female, 

 and the first appearance of the male plumage is shown, in a 

 specimen collected by Whitely at Camacusa, by an indication of 

 the red collar on the fore-neck. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Supenaam River, Mazaruni River, 

 Bartica, Bonasika River, Great Falls Demerara River (JtfcConweZZ 

 collection) ; Kamakusa, Bartica ( Whitely), 



Extralimital Range. Venezuela, Colombia, Ecuador, Peru, 

 Northern Brazil. 



Habits. Unrecorded in British Guiana. 



