98 BIKDS OF BRITISH GUIANA. 



inner webs of primary and secondar}' quills dark brown, diminish- 

 ing in extent towards the inner quills where it is restricted to the 

 tips of the feathers only, the basal portion being chestnut ; sides 

 of face pale brown, lores white at the base and dusky on the tips ; 

 chin and throat white ; breast, abdomen, and under tail-coverts 

 pale lust-brown ; sides of the body and flanks rufous-brown ; 

 under wing-coverts and axillaries pale chestnut like the basal 

 portion of the quills below; apical portion of quills below dark 

 brown ; lower aspect of tail like that of its upper surface. 



Total length 140 mm., exposed culinen 15, wing 61, tail 70, 

 tarsus 25. 



Adult female. Similar to the adult male. Wing 57 mm. 



The male described was collected at Bartica in 1911. 



There is a specimen from the Rio Negro, collected by Xatteror, 

 in the British Museum which was said by the late Dr. P. L. 

 Sclater to be S. inornata Pelzeln. This Inrd appears to me to be 

 quite different from S. guianensis and is worthy at least of sub- 

 specific rank. I would suggest, therefore, that it be called 

 Synallaxis guianensis inornata. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



-t-^ggs. Undescribed from British Guiana. 



Mange in British Guiana. Supenaam River, Bartica (J/cC'o?ir(^// 

 collection) ; Bartica {Whitehj). 



Extralimital Range. Surinapi {Penard), Venezuela, Colombia, 

 North Brazil. 



413. Synallaxis cinnamomea. 

 Yellow-throated Spine-tail. 



Crrtliia cinnamomea Gmel. Syst. Nat. i. p. 4S0, 1788 (Guiana). 



Synallaxis rujicauda (nee Vieill.) Cab. in Schomb. Reis. Guian. iii. 

 p. 689, 1848. 



Synallaxis cinnamomea Salvin, Ibis, 1885, p. 419 ; Sclater, Cat. B. Brit. 

 Mus. XV. p. 50, 1890; Lloyd- Price, Tiniehri (2) v. p. 64, 1891 

 (nest and eggs); Quelch, torn. cit. p. 92 (Georgetown); Lloyd, 

 op. cit. (2) xi. p. 6, 1897 (nest and eggs) ; Beebe, Our Search fur a 

 Wilderness, p. 304 (Aremu), p. 379 (Abarvi, 1910; Braboiu-ne & 

 Chubb, B. S. Amer. i. p. 230, no. 2332, 19i2. 



"Rootie" [Quelch) ; "Little Spine-tail" (C. A. Lloyd). 



Adult male. General colour above rufous-browm, including the 

 head, scapulars, and back, being somewhat darker on the head and 



