Birds. 275 
Inhabits South Africa and Senegal. 
Falco ecaudatus, Shaw, Zool. Terathopius ecaudatus, 
Lesson. Le Bateleur, Le Vaill. pl. 7 & 8. i 
Genus Circartus. Vieillot. 
Bill strong, straight at the base, convex, compressed, and 
hooked at the point, edges nearly straight ; cere hairy; nostrils 
roundish ; tarsi moderate, elongated, naked, and reticulated ; 
toes short; wings as long as the tail; the latter graduated, 
cuneform, and consisting of twelve feathers. 
Circaétus cinereus, Vieill. General colour dull grey, verging 
in some places to rufous. Primary quill feathers black; tail 
above, brown with five white transverse bands ; beneath, grey 
with the same number of pure white bands ; tarsi and toes yel- 
lowish black. Length nearly twenty-two inches. 
Inhabits Senegal. 
Circaétus thoracinus, Cuv. Bill dark horn-coloured; eyes 
fine yellow; head, together with the back and sides of neck, 
blackish brown, the former often with a slight tinge of grey ; 
interscapulars, back, tail coverts, and shoulders, blackish 
brown, each feather more or less distinctly tipt with a dusky 
or pure white ; throat variegated black and white ; breast pure 
black or brownish black ; belly, under tail coverts, and thighs, 
pure white. Primary quill feathers black, with the exception 
of the greater portion of the inner vane of each, towards its 
base, which is white ; secondaries marked by transverse black 
and greyish, or greyish white bands, and distinctly tipt with 
white. Tail nearly even and composed of twelve feathers, 
each of which has, or may be said to have, white, or grey and 
white as the ground colour, and is crossed more or less 
completely by three broad black bands. When the two colours 
first mentioned occur in the same specimen, the grey occupies 
only the outer vanes towards the tips, and sometimes a little 
of the inner ones near the shafts, whilst the white appears in 
all other situations. When viewed below the whole ground 
colour appears a pure white, and the three transverse bands a 
dusky black. Legs and toes livid white, with atint of greenish ; 
claws black. Length from bill to base of tail fourteen inches ; 
length of tail nine inches and a half. 
Young.—Dull earthy brown; second year, brownish above, 
and white mottled with black blotches beneath; throat and 
anterior portion of breast black. 
Inhabits South Africa. 
Circaétus pectoralis, Smith. South African Quarterly Journal, 
vol. i. 
[79] 
