382 BIRDS OF BRITISH GUIjiNA. 



Habits. According to Schomburgk (Reis. Guian. iii. p. 665) 

 this species is distributed in the woods thronghout the whole of 

 British Guiana. Its habits and mode of life are aimilar to those 

 of its congeners in Europe. Schomburgk states that he always 

 found it singly either on the ground or in the low bush. 



Mr. J. J. Quelch (Tiinehri (2) v. p. 72) states that this species 

 is only seen occasionally in Georgetown. 



583. Planesticus fumigatus abariensis. 



Abary Sabian Thrush. 



Planesticus fumigatus ahariensis Chubb, Bull. Brit. Ornith. Club, xxxviii. 

 p. 63, April 2, 1918 (Abary Elver). 



Adult. Crown of head, sides of face, back, wings, and tail 

 chocolate-brown ; breast, abdomen, sides of body, and under tail- 

 coverts dull umber-brown ; axillaries and under wing-coverts dull 

 rufous. 



Total length 214 mm., exposed culmen 18, wing 120, tail 92, 

 tarsus 33. 



The description is taken from the tj'po in the McConnell col- 

 lection, which was collected on the Abary River in 1906. 



Breeding-season. Unknown. 



Nest, Unrecorded. 



Eggs. Undescribed. 



Range confined to British Guiana. Abary River {McConnell 

 collection). 



Habits. Similar to those of P. fredericki. 



584. Planesticus albiventer. 



Spix's Thrush. 



Turdus albiventer Spix,' Ay. Bras. i. p. 70, pi. Ixix. fig. 1, 1824 (Minas 

 Geraes et Para) ; Cab. in Schomb. Eeis. Guian. iii. p. 666, 1848 ; 

 Seebohm, Cat. B. Brit. Mus. v. p. 216, 1881. 



Turdus alliventris Salvin, Ibis, 1885, p. 198 (Koraima, 3000-4000 ft.). 



Planesticus albiventer Beebe, Our Search for a Wilderness, p. 116, 1910 

 (Georgetown) ; Brabourne & Chubb, B. S. Amer. i. p, 346, no. 8588, 

 1912 ; Beebe, Tropical Wild Life in British Guiana, p. 185, 1917 

 (Bartica). 



Adult male. General colour of the upper surface bistre-brown, 

 rather darker and more dusky on the head ; inner webs of flight- 



