Vl ee 
CICHLADUSA ARCUATA, 229 
213. CossYPHA SIGNATA. Brown Chat-Thrush. 
Bessonornis signatus, Layard, B. 8. Afr. p. 181. 
This rare bird has never yet fallen under our notice personally, 
but specimens now in the British Museum were procured by the 
late Sir Andrew Smith, who, however, does not seem to have 
bestowed a name on the species. It was first described by Professor 
Sundevall from examples procured by Wahlberg in “ Lower Kaf- 
fraria.”” This locality is not British Kaffraria as at present under- 
stood, and the bird should probably be looked for in Natal. 
General colour above chocolate brown, shading off into lighter 
and more fulvous brown on the lower back, rump, and upper 
tail-coverts; lores blackish, over the eye a distinct white eyebrow, 
surmounted by a narrow black line drawn from the lores to above 
the eye; round the eye a circlet of whitish feathers ; ear-coverts 
brown, darker below the eye; cheeks and sides of neck greyish 
with a slight indication of a darker malar stripe; under-surface of 
body white, the throat circumscribed by a band across the breast 
which is greyish-brown like the sides of the body; under wing- 
coverts white with brown bases, giving a mottled appearance to the 
edge of the wing ; upper wing-coverts greyish, the inner ones slightly 
edged with olive-brown, the edge of the wings slightly and the 
spurious quills broadly tipped with white ; primary-coverts blackish ; 
quills blackish-brown, the primaries edged with white, the second- 
aries with brown, the innermost resembling the back; primaries 
“white at the base of the outer web forming a conspicuous alar 
speculum ; two centre tail-feathers olive-brown, the others blackish, 
broadly tipped with white, and washed with olive-brown, especially 
near the base. ‘Total length, 7°3 inches; culmen, 0°85; wing, 3°25 ; 
tail, 3°2; tarsus, 1°15. 
214. CicHLADUSA ARCUATA. Peters’ Chat-Thrush. 
Dr. Peters first discovered this interesting bird near Sena in the 
Zambesi country, and examples are contained in the British Museum 
collection, having been procured in the same region by Dr. Kirk, 
during the Livingstone expedition. It extends far up the east 
coast of Africa, having been met with by the late Captain Speke in 
Unyamesi; and it is said to have a very beautiful song. The 
