38. THLYPopsrs. 229 



constantly iu the cinereous (not pale fulvous) colour below ; I liave 

 therefore kept it separate as T. amazunum. 



a-d. Ad. sk. S.E. Brazil. Sclater CoH. 



e. Ad. sk. Pernambuco. Sclater Coll. 



f. d ad. sk. Pernambuco (Forbes). Sclater Coll. 



ff. (S ad. sk. ; h. ^J Pernambuco (Forbes). Salvin-Godman Coll. 



jr. sk. 



i, j. Ad. sk. Babia ( Wucherer). Salvin-Godman Coll. 



k'. Ad. sk. Bolivia. T. Bridges [C.]. 



I. Ad. St. S. America. Purchased. 



2. TMypopsis amazonum, sp. nov. 



Nemosia sordida, Scl. et Salv. P. Z. S. 1866, p. 180 (Ucayali) ; Tmz. 



Orn. Per. ii. p. 508. 

 Neniosia fulvescens, Scl. et Salv. P. Z. S. 1873, p. 263 (E. Peru). 

 Thlypopsis sordida, Cab. J.f. O. 1866, p. 232. 



Above cinereous ; head and uape orange-red, passing into yellow 

 on the sides : below pale cinereous, on the middle of the belly 

 whitish ; throat pale yellowish orange ; under wing-coverts white ; 

 bill plumbeous ; feet cinereous : whole length 4-7 inches, wing 2-7, 

 tail 2-1. Female similar. 



Hab. Bolivia, adjoining frontiers of Brazil and Upper Amazonia. 



Very clearly related to M. sordida, but distinguishable by its 

 cinereous belly without ochraceous tint. 



a. Ad. sk. Lower Ucayali (Bartletf). Sclater Coll. (Tvpe 



of the species.) 

 h. Ad. sk. Lower Ucayali (Bartlett). Purchased. 



c. 5 ^d. sk. Pebas, Peru (Hauxwell). Sclater Coll. 



d. Ad. sk. Nauta, Peru (Bartlett). Salvin-Godman Cull. 



e. (S sk. Cuyaba (Natterer). Sclater Coll. 



3. Thlypopsis chrysopis. 



Nemosia chrysopis, Scl. et Sale. P. Z. S. 1880, p. 15.5. 



Above cinereous, strongly washed with yellowish except on the 

 lower back, outer secondaries, and tail ; lores, sides of the head, and 

 throat yellow ; abdomen yellowish, brighter on the breast ; middle 

 of belly bufi'y white ; band of wing yellowish ; under wing-coverts 

 and inner margins of wing-feathers white; bill hazel; feet plum- 

 beous : whole length 5-2 inches, wing 2*7, tail 2'2. 



Hab. Eastern Ecuador and Peru. 



The general yellowish tinge renders this species easily recognizable. 



a. Ad. sk. Sarayacu, Ecuador (Buckley). Salvin-Godman Coll. 



(Type of the species.) 

 h. Jr. sk. Santa Cruz, E. Peru. E. Bartlett [C.]. 



4. Thlypopsis fulviceps. 



Tachyphonus ruficeps, Lafr. llev. Zool. 1848, p. 173. 



Nemosia ruticeps, Sclater, P.Z.S. 1856, p. 112 ; id. Syn. Av. Tan. p. 36 ; 



