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ACCIPITRES.

VULTURIDE 251. Gyps 252. Pseudogyps 253. Otogyps... 254. Lophogyps 255. Neophron

2 Africa, except W. sub-region Palæarctic, Oriental 1 N. E. Africa to Senegal

Oriental 1 N. E. and S. Africa

Palæarctic, Oriental 1 N. E. and S. Africa and Senegal 2 Africa, excl. west coast S. Palæarctic, Oriental

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Almost Cosmopolite
Cosmop., excl. Austral.
S. Palæarctic
Nearc., Palæare., Indian
S. Palæarctic, Oriental,

Australia
Neotropical, Oriental to

N. Guinea

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Palæarctic, Oriental

Oriental to New Guinea Cosmopolite, excl. Neo

tropical region

...

269. Lophocetus 1 All Africa
270. Asturinula 1 Tropical Africa
271. Dryotriorchis 1 W. Africa
272. Circaëtus

5 All Africa 273. Butastur

1 N. E. Africa 274. Helotarsus

2 Tropical and S. Africa 275. Haliæetus 2 The whole region 276. Gypohierax 1 West and East Africa 277. Elanoides 1 West and N. E. Africa 278. Milvus

1 The whole region 279. Elanus

1 | Africa 280. Machærhamphus i S. W. Africa and Madagascar 281. Pernis

1 S. Africa and Madagascar 282. Baza

3 Africa and Madagascar 283. Poliohierax 1 East Africa 284. Falco

4 All Africa 285. Cerchneis 8 The whole region

SERPENTARIIDA. 286. Serpentarius ... 1 The greater part of Africa

The Eastern Hemisphere
India to Australia
Malacca
Palæarctic, Oriental
India to N. Australia
Burmah
Almost Cosmopolite
Almost Cosmopolite

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5 Africa and Madagascar, Rodri. Palæarctic, Oriental, quez (extinct)

Australian 8 Africa and Madagascar, Cosmopolite 2 West and $. Africa to Zambesi 3 W. aud S. Africa, Madagascar, Almost Cosmopolite

Comoro Islands 2 Africa

Palæarctic, Oriental,

American 1 N. E. and S. Africa

Cosmopolite 4 Africa and Madagascar Cosmopolite

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Peculiar or very Characteristic Genera of Wading or Swimming Birds,
GRALLA
RALLIDE.

Himantornis 1 West Africa
Podica...
3 Africa

Burmah

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ARDEIDE.

Balaniceps

1. Upper Nile

:

PLATALEIDÆ,

Scopus

1 Tropical and S. Africa

i South Africa

ANSERES.
ANATIDA.

Thalassornis...
STRUTHIONES.

STKUTHIONIDE. 295. Struthio

ÆPYORNITHIDE. 296. Æpyornis

VOL. I.-22

2 All Africa

Syria

(Extinct)
3 [0 Madagascar

CHAPTER XII.

THE ORIENTAL REGION.

This region is of comparatively small extent, but it has a very diversified surface, and is proportionately very rich. The deserts on the 'north-west of India are the debatable land that separates it from the Palæarctic and Ethiopian regions. The great triangular plateau which forms the peninsula of India is the poorest portion of the region, owing in part to its arid climate and in part to its isolated position ; for there can be little doubt that in the later Tertiary period it was an island, separated by an arm of the sea (now forming the valleys of the Ganges and Indus) from the luxuriant Himalayan and Burmese countries. Its southern extremity, with Ceylon, has a moister climate and more luxuriant vegetation, and exhibits indications of a former extension southwards, with a richer and more peculiar fauna, partly Malayan and partly Mascarene in its character. The whole southern slopes of the Himalayas, with Burmah, Siam and Western China, as well as the Malay peninsula and the IndoMalay islands, are almost everywhere covered with tropical forests of the most luxuriant character, which abound in varied and peculiar forms of vegetable and animal life. The flora and fauna of this extensive district are essentially of one type throughout; yet it may be usefully divided into the IndoChinese and the Malayan sub-regions, as each possesses a number of peculiar or characteristic animals. The former subregion, besides having many tropical and sub-tropical types of its own, also possesses a large number of peculiarly modified temperate forms on the mountain ranges of its northern

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