102 BIBDS OF BRITISH GUIANA. 



1890 ; Bral)ourne & Chubb, B. S. Amer. i. p. 238, no. 2415, 1912 ; 

 Chubb, Bull. Brit. Orn. Club, xxxi. p. 39, 1913 (Supenaam River, 

 British Guiana). 



Adult (unsexed). Entire back, tipper wing-coverts, innermost 

 secondaries, and tail rufous-chestnnt ; bastard-wing, primary- 

 coverts, primary and secondary quills dark brown, some of the 

 secondaries rufous-chestnut on the outer webs ; crown of head, 

 nape, and sides of neck black with white shaft-lines to the feathers, 

 the white increasing in width on the nape and sides of the neck ; 

 ear-coverts, cheeks, and throat white with dark brown margins to 

 the feathers ; fore-neck and upper breast also white, with black 

 semicircular spots on the margins of the feathers, the white 

 decreasing and the black increasing on the lower breast and 

 abdomen ; lower flanks and under tail-coverts black barred with 

 white ; under wing-coverts barred or spotted with brown ; under 

 surface of quills greyish brown ; lower aspect of tail rufous. 



Total length 197 mm., "exposed culmen 25, wing 102, tail 85, 

 tarsus 22. 



The bird described was collected on the Kamakabra River 

 in 1911. 



Breeding-season. Unknown in British, Guiana. 



Nest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Range in British Guiana. Supenaam River, Kamakabra River 

 {McConnell collection). 



JE.vtralimital Range. Santarem, Northern Brazil. 



Habits. Unrecorded in British Guiana. 



Genus AUTOMOLUS Reichenb. 



Automolus Reichenbach, Handb. sp. Orn. p. 173, 1853. Type A. leuco- 

 plithalmus (Wied).. 



Fig. 44. — Automolus leucopMJialmus. 

 The species on which this genus is based is more or 



