258 GERYGONE KEYENSIS. 
NOTE XXXV. 
ON TWO NEW SPECIES OF THE GENUS GERYGONE, 
BY 
J. BUTTIKOFER. 
Amongst the specimens of the genus Gerygone, under 
which I comprise the genus Pseudogerygone, the Leyden 
Museum contains two apparently new species, one repre- 
sented by a single specimen from Little Key, the other 
by two specimens from Aru. All three are collected by 
von Rosenberg. 
1. Gerygone keyensis. 
General color above olive-brown, with a shade of ful- 
vous on back, rump and upper tail-coverts; quills dark 
brown, edged with olive-green, the innermost and the 
wing-coverts with the color of the back, tail fulvous with 
a broad subterminal black cross-bar, lores brown with a 
narrow whitish spot above them, ear-covert fulvous; under 
surface white with a tinge of yellow, the feathers being 
black at the base, white in the middle and yellow at the 
tip. This color of the under surface might indicate an 
immature stage of the bird, as there is a brown tinge 
coming up on breast and flanks, and Salvadori mentions 
a young G. brunneipectus with yellowish white under sur- 
face. Under wing-coverts dirty whitish , edge of wing yel- 
low, thighs fulvous. Bill brown, feet dark gray. Wing 
5,4 cM.; tail 3,7; tarsus 1,9; culmen 1,2. 
Wotes from the Leyden Museum, Vol. XV. 
