370 BIRDS OP BRITISH GUIANA. 



Nest. Unrecorded in British Gruiana. 



Eggs. Undescribed from British Guiana. 



Range in British Ouiana. Quibarroo River, Supenaam River, 

 Bartica, Kamakabra River, Bonasika River, Makanria River, 

 Arwye River, Tiger Creek (McConnell collection); Merum6 

 Mountains, Kamakusa, Bartica ( Wliitely). 



Extralimital Range. Cayenne (Boddaert) . 



Habits. Unrecorded in British Gruiana. 



575. Microcerculus ustulatus. 



RoRAiMA Scaly-breasted Wren, 



Microcerculus ustulatus Salvin & Godman, Ibis, 1883, p. 204, pi. ix. 

 fig. 2 (Eoraima, 3500-5000 ft.); Salvin, Ibis, 1885, p. 200; 

 Brabourne & Chubb, B. S. Amer. i. p. 340, no. 3477, 1912. 



Adult. Head, back, scapulars, and upper wing-coverts choco- 

 late-brown : flight-quills and tail blackish ; chin and throat 

 cinnamon-brown, remainder of the under surface including the 

 under wing-coverts coffee-brown ; under surface o£ flight-quills 

 blackish brown like the lower aspect of the tail. 



Total length 105 mm., exposed culmen 12, wing 55, tail 28, 

 tarsus 22. 



The specimen from which the description is taken was collected 

 at Roraima by Mr. McConnell in October 1»98. 



Breeding-season. Unknown. 



Nest. Unrecorded. 



Eggs. Undescribed. 



Range confined to British Guiana. Mount Roraima {McConnell 

 collection); Mount Roraima [Whitely). 



Habits. Unrecorded. 



