5. Rhynchocyclus sulphurescens. 



Platyrkynchus sulphurescens, Spix, Av. Bras. ii. p. 10, pi. 12. f. 1. 



Platyrhynchus nuchalis, Max. Beitr. iii. p. 971. 



Cyclorhynchus sulphurescens, Cab. Wiegm. Arch. 1847, i. p. 249 ; 



Scl. Ibis, 1859, p. 444. 

 Cyclorliyuchus nuchalis, Burm. Syst. JJeb. ii. p. 503. 

 Rhynchocyclus sulphurescens, Cab. et Hein. 3Ius. Hein. ii. p. 56 



Scl. Cat. A. B. p. 220 ; Scl. et Salv. P. Z. S. 1867, pp. 578, 751, 



1868, p. 168, et 1873, p. 279 ; iid. Nomencl. p. 49 ; Lawr. Ann. L. 



N. Y. ix. pp. 112, 146 ; Frantz. J.f. O. 1869, p. 307 ; Pelz. Orn. 



Bras. p. 109 ; Cab. J. f. O. 1874, p. 88 ; Botw. P. Z. S. 1878, p. 63 ; 



White, P. Z. S. 1882, p. 607 ; Tacz. P. Z. S. 1882, p. 20 ; id. Orn. 



Per. ii. p. 280; Berl. J.f. O. 1884, p. 302; Salv. P.Z.S. 1885, 



p. 295 (Brit. Guiana). 

 Rhynchocyclus flavo-olivaceus, Salv. P. Z. S. 1867, p. 148, et 1870, 



p. 198 (Veragua). 

 Rhynchocyclus niarginatus, Lawr. Pr. Ac. Sc. Phil. 1868, p. 429 



(Panama). 

 Rhyuchocyclus assiuiilis, Pelz. Orn. Bras. p. 110. 



Above olive-green ; head washed "with cinereous ; lores and line 

 round the eye whitish ; wings blackish brown, margined with 

 yellowish olive ; tail dark brown, slightly edged with olive-green : 

 beneath pale sulphur-yellow, tinged with olivaceous ; throat more 

 greyish ; middle of the belly rather brighter ; under wing-coverts 

 pale sulphur-yellow ; upper mandible dark horn-colour, lower 

 whitish ; feet pale brown : whole length 5 - 2 inches, wing 2 - 6, 

 tail 2-5. Female similar. 



Hah. America, from Veragua southwards to South-east Brazil. 



This wide-ranging species varies much in different localities, but 

 after examining a large series, I see no sufficient grounds for 

 dividing it up. 



a. Ad. st. Brazil. J. Gould, Esq. 



b. Ad. sk. Lagoa Santa, S.E. Brazil Sclater Coll. 



(Bund). 



c. Ad. sk. Brazil. Sclater Coll. 



d. Ad. sk. Brazil. J. Gould, Esq. 



e. Ad. sk. Rio Madeira (Natterer). Sclater Coll. 



/, g. § ad. sk. Bartica Grove, Brit. Guiana Salvin-Godman Coll. 



(Whit eli/). 

 h, i. cJ $ ad. sk. Bartica Grove, Brit. Guiana Sclater Coll. 



( Whitely). 

 j. <$ ad. sk. Camacusa, Brit. Guiana Salvin-Godman Coll. 



( Whitely). 

 k. (^ ad. sk. Merume Mts., Brit. Guiana Salvin-Godman Coll. 



( Whitely). 

 1. $ ad. sk. Merume Mts., Brit. Guiana Sclater Coll. 



( Whitely). 



