256 African Zoology. 
quill feathers blackish brown, some of them edged on outer 
vanes with tawny, all tipt with reddish white ; secondaries dark 
dirty brown, narrowly edged and tipt with reddish white ; pri- 
mary quill feathers black ; secondaries blackish brown on the 
outer vanes, on the inner greyish, variegated by many transverse 
dark bands ; tips reddish tawny. Tail rounded, brownish grey, 
and much mottled by partial indistinct transverse narrow dusky 
black bands; tips of feathers all tawny; under parts tawny 
with brown variegations, particularly numerous on the flanks 
and anterior part of the belly; thighs dark ferruginous ; toes 
yellow ; claws dark horn-coloured. Length about two feet four 
inches. 
Young.—Prevailing colour chesnut, without the brown varie- 
gations of the older bird; feathers of the head and back of 
neck tipt with light tawny. Tail dirty brownish grey, tipt with 
reddish white; cere and toes dull yellow; claws black; eyes 
yellow. 
Inhabits South Africa,—common. 
Falco rapax, Temm. pl. 455. Falco nevioides? Cuv. 
Aquila choka, Smith. South African Quarterly Journal, vol. i. 
p. 114. Chok of the Cape Colonists. 
Aquila Bellicosa, Daudin. Bill bluish at the base, black 
elsewhere ; eyes fine brown ; space between them and bill thin- 
ly covered with black bristles ; plumage of hindhead -a little 
elongated, so as to form a very slight crest. Feathers of head, 
and of back and sides of neck, variegated blackish brown and 
white; interscapulars, back, tail coverts, and shoulders, more 
or less deep brown; with the tips of all the feathers, but 
particularly of those of the latter, dusky white; throat, 
breast, belly, and legs, pure white. Primary wing feathers 
black, tipt with white; secondaries alternately banded with 
dusky blackish brown and dull hoary grey, all broadly 
tipt with white. Tail slightly rounded, with each feather 
banded more or less directly across by black and hoary grey, 
the latter usually passing to white towards the inner margins of 
the inner vanes, all distinctly tipt with white. Tarsiand toes a 
light livid green, inclining sometimes to yellowish green ; claws 
deep black and much curved. Length from bill to base of tail 
twenty inches ; length of latter twelve inches ; expanse of wings 
about eight feet and a half. 
Young.—Above blackish brown ; throat and breast nearly 
black ; belly and legs dull white with black blotches. 
Inhabits South Africa. 
Falco Armiger, Shaw. vii. 57. Le Griffard, Le Vaill. 
(To be continued.) 
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