189 
OLIVE-BACKED SUN-BIRD. 
Nedarinia cyanocephala, Shaw. 
PLATE X. 
Dr. William Fergcsson, some years since, sent 
us both sexes of this species from the vicinity of 
Sierra Leone, and we refer them without hesita- 
tion to the “ Soui-manga <1 tete blue ” and the “ Soui- 
rnanga vert et gris” of Vieillot, Oiseaux dores, 
pi. vn. and xxv. ; the first as the male, the latter 
as the female. The male is in length five inches 
and a half ; the female about a quarter of an inch 
shorter. In the first sex, the head, throat, neck, 
and upper part of the breast are deep black, having 
the tips of each feather broadly handed with a rich 
and dark metallic bluish-green, giving to those 
parts an almost entire tint of the latter colour, 
which varies with every shade of light, and in 
some positions is coloured with- steel-blue reflec- 
tions, particularly upon the breast.' The upper 
parts, including tho edges of the feathers of the 
wings and tail, are yellowish olive, or a clear yel- 
lowish oil-green, without any reflected lights ; the 
wings and tail are pale umber-brown; the lower 
part of the breast, belly, and vent are of a uniform 
tint of brocoli-brown, and from each axilla spring 
