58 BIRDS OF BRITISH GUIANA. 



secondary quills blackish brown ; sides of the face dark slate-grey 

 becoming paler on the throat, breast, abdomen, and under wing- 

 coverts and darker on the sides of the body, flanks, and under 

 tail-coverts ; under surface of quills dark brown ; lower aspect of 

 tail sooty-black. 



Total length 150 mm., exposed culmen 17, wing 79, tail 58, 

 tarsus 23. 



The male bird described was collected on the Ituribisi River in 

 October 1908. 



Adult female. Differs entirely from the adult male in having 

 the upper parts chiefly chocolate-brown, instead of dark slate- 

 colour, ferruginous spots at the tips of the upper wing-coverts, 

 instead of white, and bright ferruginous on the under surface, 

 instead of slate-grey. Wing G-l mm. 



The female described above was collected on the Ituribisi River 

 in 1909. 



A young male of this species, collected on the Mazaruni River 

 in October 1907, still retains traces of its first plumage, which is 

 like that of the adult female, in having a few ferruginous 

 feathers on the under surface and some of the upper wing-coverts 

 tipped with ferruginous while the remainder have white tips. 



Breeding-season. Unknown in British Guiana. 



Kest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Gtiiana. Ituribisi River, Supenaam River, 

 Kamakabra River, Bonasika River, Makauria River, Mazaruni 

 River, Tiger Creek, Essequibo River, Arawai River (McConnell 

 collection^', Bartica, Kamakusa, Takutu River ( Wliitehj). 



Extrallmital Range. Surinam {Penard), North Brazil, East 

 Peru, Ecuador, Colombia. 



Habits. Unrecorded in British Guiana. 



385. Sclateria saturata. 

 RoRAiMA Ant-Creeper. 



Eeterocnemis saturata Salvin, Ibis, 1885, p. 427 (Roraima, 3500 ft.) ; 



Sclater, Cat. B. Brit. Mus. xv. p. 276, 1890 (Roraima, British 



Guiana). 

 Sclateria saturata Brabouinie & Chubb, B. S. Amer. i. p. 209, no. 2101, 



1912. 



Adult male. General colour above and below blackish slate- 

 colour ; upper wing-coverts black with white tips to the feathers ; 



