MONOGRAPH OF THE FALCONIDA, 
covers of the wings white; tail 126 mm. long. Africa, Asia, 
Europe (accidental), 
3. #. axillaris, G. Gray; F. avillaris, Lath.; Circus axillaris, 
Vieill.; £. melanopterus, Vig. and Horsf.—The inner covers of 
the wings white, with 6-7 black feathers; the tail 143-162 mn. 
long. Australia, Asia. 
4. Hi. leucurus, G. Gray; Milvus leucurus, Vieill., N. Dict. d 
Hist. Nat. n. xx. 563; Azara, 36; F. dispar, Temm. pl. col. 319, 
young; Bonap. Am. Orn. t. 11, 1 ad.— The inner covers of the 
wings white, with a long black stripe on the quills. America. 
5. #. scriptus, Gould, Birds of Austr.—The inner covers of the 
wings white, with a black stripe over the quills and secondaries in 
figure of a V. Australia. 
Vv. Gaenus MILVUS, Ovv. 
The bill longer, horizontal, and large; the wings very long, at 
the tip curved like a sabre; 1-5 quills emarginated ; tarsus short, 
covered on the sole with fine scales; the colour is rufous or soot 
black. a 
ec. Subgenus Lophoictinia, Kp.— The bill lengthened and more 
Slender ; the nostrils longer than broad; the wings longer than the 
tip of the tail, which is forked; the emarginations of the quills 
more obtuse; the tarsus shorter, with small and irregular scales ; 
the toes with 3-4 transverse scales only before the claws. The 
Milvine type. 
1. M. isiurus, Gould, Birds of Austr. ii. 2.—The interior webs 
of the quills with black bars. Australia. 
d. Subgenus, Méilvus, Cuy. — The bill larger; the nostrils oval; 
the wings do not extend to the tip of the more forked tail; the 
emarginations are more angular and distinct ; the slender tarsus 
and toes with horizontal scales; the sole of the toes with pointed 
warts. The Aquiline type. 
2. M. parasiticus ; F. parasiticus, Daud., Vaill.. 22; F. egyp- 
tius, et forskahlii, Gmel.; F, migrans, Bodd.—The bill yellow; 
total plumage soot black. Africa. : 
3. M. afinis, Gould, Birds of Austr. viii, 3; M. melanogenys, 
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