80 BIRDS OF BRITISH GUIANA. 



about equal to tlie sixtli. The tail is short aud square at the 

 tip. The tarsus is long, being about one-fifth longer than the 

 tail. 



Key to the Species. 



A. Larger ; wing more than 90 mm. [p. SO. 

 a. Alxloiiien bright rufous G. regulus roraimce, 



h. Abdomen cream-colour G. varia,]). 81. 



B. Smaller; wing less than 90 mm. 



c. Breast and sides of body grey streaked 



with white G. hrevicauda, p. 82. 



(/. Breast and sides of body uniform grey ... G. simplex, p. 83. 



398. Grallaria regulus roraimge, subsp. nov. 



Fulvous-breasted Ant-Thrush. 



Grallaria regulus (nee Scl.), Salvin, Ibis, 188;"), p. 430 (Roraima, 

 5000 ft.)'; Sclater, Cat. B. Brit. Mus. xv. p. 314, 1890 (Roraima) ; 

 Brabourne & Chubb, B. S. Amer. i. p. 216, no. 2178, 1912. 



Adult female. Differs from the type of G. r. regulus in being 

 more grey on the top of the head, nape, and hind-neck ; paler 

 and more olive-brown on the back and the dark fringes to the 

 feathers less pronounced ; [)aler and more cinnamon-rufous on 

 the outer aspect of the flight-quills ; ear-coverts darker ; throat 

 more streaked with white or ferruginous ; fore-neck ferruginous 

 intermixed with black, instead of uniform ochreous brown; breast, 

 abdomen, and under tail-coverts paler and brighter ferruginous; 

 and the larger size. 



Total length 170 mm., exposed culmen 23, wing 108, tail 39, 

 tarsus 41. 



This subspecies is not represented in the McConnell collection. 

 The type, which is in the British Museum, was collected by the 

 late Henry Whitely on Mount Roraima, at an altitude of 5000 

 feet, on September the 13th, 1883, and is the only specimen that 

 I have been able to examine from the Colony. 



Breeding-season. Unknown. 



JSest. Unrecorded. 



Eggs. Undescribed. 



Range confined to British Guiana, Mount Roraima ( Whitelg}. 



Habits. Unrecorded. 



