SYSTEMATICALLY ARRANGED BY DR. T, T. KAUP. 
Temm. et Schleg. Faun. Jap.—The bill black; head with the bill | 
60 mm. long; the superior ear-feathers black. Australia, Asia. F 
4. Milvus govinda, Syk., Proc. Zool. Soc, 1839, 155.—The bill 
black; before the emarginations of the quills pure white; total 
colour soot black. 
5. M. regalis, Briss. ; F. milvus, Linn., Naum. t. xxxi. pl. eat 
422.—The largest species, in adult age with yellow bill and 
whitish head; before the emargination of the quills and the middle 
of the little feathers of the wings, pure white; total colour rufous ; 
tail more forked. Europe, Africa, 
e. Subgenus Gypoictinia, Kp. — The bill twice as long’as high ; 
tarsus on the upper half with transverse scales, and on the lower 
half with fine little scales; the tail as long as the body and not 
forked ; the first portion of the tail hid by the covers. The Buteo- 
nine or Vultwrine type. 
M. melanosternon, Kp.; Buteo melanosternon, Gould, Birds 
of Austr. ix. 1.—Face, gorge and breast, black; large like a 
little eagle. It shows analogies with siihicaicianas second genus of 
Aquiline. Australia. 
III. Subfamily Acorprramna, 
In this subfamily the typical genus is Geranopus, which, with the 
whole subfamily, represents the Grallatorial type, because it has 
the longest legs and the shortest toes. This subfamily exhibits the 
shortest wings in the greatest number of the species, and shows a 
banded plumage. 
I. Spiziaétus. II. Nisus, II. Geranorus. IV. Astur. V. Asturina. 
I. Geyus SPIZIAETUS, Vier. (part) Kaur. 
The tarsus covered with feathers. The Falconine type. 
a, Subgenus Limnaétus, Vig.—The secondaries cover up to 3 of 
the quills; 1-6 quills emarginated. The-Falconine type. 
1, Sp. cirrhatus, Kp., G. Gray; F. cirrhatus, Will., Gmel.; 
F. ceylonensis, Lath.; F. calligatus, Rafil.; F. limnaétus, Horsf., 
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