478 Descriptions of New Species of American Birds. 



the head lighter, the black stripe bordering the throat narrow, 

 and with a light line above it; although the wings are longer, 

 the bill is smaller, narrower, and much less tumid." 



Remarks. — In the color of the back this species is much like 

 S. grandis, but is of a lighter olive, the latter species has the 

 sides of the head brownish black, the black border to the 

 throat much wider, and the under surface very much darker ; 

 the new species in its under plumage resembles somewhat S. 

 olivasoens, but the colors are paler, less cinereous, and the 

 tinge of fulvous more diffused. 



16. Plteucticu§ tibialis, Baird, MS. 



This species has the head, hind neck, lower part of the back, 

 rump and entire under plumage of a deep golden yellow, with a 

 clouded appearance on the throat and upper part of the breast, 

 caused by the feathers underneath being banded with black, below 

 which black band there is a yellowish white one on each feather, 

 the thighs are black ; a broad belt across the middle of the back, 

 the tail and wings lustrous black ; the upper tail coverts are black 

 ending with jiale yellow ; there is a conspicuous white wing spot 

 at the base of the primaries, under Aving coverts light yellow ; 

 lores smoky black : bill black, the under mandible whitish horn 

 color underneath ; tarsi and toes dark brown. 



Length 9 in. ; wing 4-| ; tail 3-|- ; tarsi -J. 



Habitat. — Costa Rica, Collected at Eervantes, May, 1S66, 

 by J. Cooper, and received from Dr. A. von Frantzius. Type, 



No. 42,8S7. 



Several other specimens are in the Smithsonian Museum 

 received from different localities in Costa Rica. 



Remarks. — It bears a general resemblance to P. cliryso- 

 c/aster, but has a shorter and stouter bill ; the color is darker 

 below, and in clirysog aster there is no concealed black on the 

 feathers of the throat ; the inner edge of the bend of the wing 



