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(1 species) inhabits China from the Yang-tse Kiang northwards. This new genus has recently been discovered by Mr. Swinhoe, who says its nearest affinities are with Moschus. Other new forms are Lophotragus, and Elaphodus, both inhabiting North China; the former is hornless, the latter has very small horns about an inch long.

Extinct Deer.—Numerous extinct species of the genus Cervus are found fossil in many parts of Europe, and in all formations between the Post-pliocene and the Upper Miocene. The Elk and Reindeer are also found in caves and Post-pliocene deposits, the latter as far south as the South of France. Extinct genera only, occur in the Upper Miocene in various parts of Europe :Micromeryx, Palæomeryx, and Dicrocercus have been described ; with others referred doubtfully to Moschus, and an allied genus Amphimoschus.

In N. America, remains of this family are very scarce, a Cervus allied to the existing wapiti deer, being found in Post-pliocene deposits, and an extinct genus, Leptomeryx, in the Upper Miocene of Dakota and Oregon. Another extinct genus, Merycodus, from the Pliocene of Oregon, is said to be allied to camels and deer.

In South America, several species of Cervus have been found in the Brazilian caves, and in the Pliocene deposits of La Plata.

It thus appears, that there are not yet sufficient materials for determining the origin and migrations of the Cervidæ. There can be little doubt that they are an Old World group, and a comparatively recent development; and that some time during the Miocene period they passed to North America, and subsequently to the Southern continent. They do not however appear to have developed much in North America, owing perhaps to their finding the country already amply stocked with numerous forms of indigenous Ungulates.

FAMILY 51.-CAMELOPARDALIDÆ. (1 Genus, 1 Species.)

GENERAL DISTRIBUTION.

NEOTROPICAL NEARCTIC | PALÆARCTIC ETHIOPIAN I ORIENTAL I AUSTRALIAN SUB-REGIONS. SUB-REGIONS. SUB-REGIONS. SUB-REGIONS. SUB-REGIONS. SUB-REGIONS.

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The Camelopardalidæ, or giraffes, now consist of but a single species which ranges over all the open country of the Ethiopian region, and is therefore almost absent from West Africa, which is more especially a forest district. During the Middle Tertiary period, however, these animals had a wider range, over Southern Europe and Western India as far as the slopes of the Himalayas.

Extinct Species.—Species of Camelopardalis have been found in Greece, the Siwalik Hills, and Perim Island at the entrance to the Red Sea; and an extinct genus, Helladotherium, more bulky but not so tall as the giraffe, ranged from the south of France to Greece and North-west India.

FAMILY 52.—BOVIDÆ. (34 Genera, 149 Species.)

GENERAL DISTRIBUTION.

NEOTROPICAL
SUB-REGION

NEARCTIC PALÆARCTIC
SUB-REGIONS. SUB-REGIONS.

ETHIOPIAN I ORIENTAL I AUSTRALIAN SUB-REGIONS. SUB-REGIONS. SUB-REGIONS.

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This large and important family, includes all the animals commonly known as oxen, buffaloes, antelopes, sheep, and goats, which have been classed by many naturalists in at least three, and sometimes four or five, distinct families. Zoologically, they are briefly and accurately defined as,“ hollow-horned ruminants;" and, although they present wide differences in external form, they grade so insensibly into each other, that no satisfactory definition of the smaller family groups can be found. As a whole they are almost confined to the great Old World continent, only a few forms extending along the highlands and prairies of the Nearctic region; while one peculiar type is found in Celebes, an island which is almost intermediate between the Oriental and Australian regions. In each of the Old World regions there are found a characteristic set of types. Antelopes prevail in the Ethiopian region; sheep and goats in the Palæarctic; while the oxen are perhaps best developed in the Oriental region.

Sir Victor Brooke, who has paid special attention to this family, divides them into 13 sub-families, and I here adopt the arrangement of the genera aud species which he has been so good as to communicate to me in MSS.

Sub-family I. BOVINÆ (6 genera, 13 species). This group is one of the best marked in the family. It comprises the Oxen and Buffaloes with their allies, and has a distribution very nearly the same as that of the entire family. The genera are as. follows: Bos (1 sp.), now represented by our domestic cattle, the descendants of the Bos primigenius, which ranged over a large part of Central Europe in the time of the Romans. The Chillingham wild cattle are supposed to be the nearest approach to the original species. Bison (2 sp.), one still wild in Poland and the Caucasus; the other in North America, ranging over the prairies west of the Mississippi, and on the eastern slopes of the Rocky Mountains (Plate XIX., vol. ii., p. 129). Bibos (3 sp.), the Indian wild cattle, ranging over a large part of the Oriental region, from Southern India to Assam, Burmah, the Malay Peninsula, Borneo, and Java. Poephagus (1 sp.), the yak, confined to the high plains of Western Thibet. Bubalus (5 sp.), the buffaloes, of which three species are African, ranging over all the continental parts of the Ethiopian region ; one Northern and Central Indian; and the domesticated animal in South Europe and North Africa. Anoa (1 sp.), the small wild cow of Celebes,

a very peculiar form more nearly allied to the buffaloes than to any other type of oxen. Sub-family II. TRAGELAPHINAE (3 genera, 11 species). The Bovine Antelopes are large and handsome animals, mostly Ethiopian, but extending into the adjacent parts of the Palaearctic and Oriental regions. The genera are: Oreas (2 sp.), elands, inhabiting all Tropical and South Africa. Tragelaphus (8 sp.), including the bosch-bok, kudu, and other large antelopes, ranges over all Tropical and South Africa (Plate IV., vol. ii., p. 261). Portaz (1 sp.) India, but rare in Madras and north of the Ganges. Sub-family III. ORYGINAE (2 genera, 5 species). Oryz (4 sp.) is a desert genus, ranging over all the African deserts to South Arabia and Syria; Addaw (1 sp.) inhabits North Africa, North Arabia, and Syria. Sub-family IV. HIPPOTRAGINAE (1 genus, 3 species). The Sable Antelopes, Hippotragus, form an isolated group inhabiting the open country of Tropical Africa and south to the Cape. Sub-family W. GAZELLINAE (6 genera, 23 species). This is a group of small or moderate-sized animals, most abundant in the deserts on the borders of the Palaearctic, Oriental, and Ethiopian regions. Gazella (17 sp.) is typically a Palaearctic desert group, ranging over the great desert plateaus of North Africa, from Senegal and Abyssinia to Syria, Persia, Beloochistan, and the plains of India, with one outlying species in South Africa. Procapra (2 sp.), Western Thibet and Mongolia to about 110° east longitude. Antilope (1 sp.) inhabits all the plains of India. Apyceros (1 sp.) the pallah, inhabits the open country of South and South-east Africa. Saiga (1 sp.) a singular sheep-faced antelope, which inhabits the steppes of Eastern Europe and Western Asia from Poland to the Irtish River, south of 55° north latitude. (Plate II., vol. i., p. 218.) Panthalops (1 sp.) confined to the highlands of Western Thibet and perhaps Turkestan. Sub-family WI. ANTILocapRINAE (1 genus, 1 species), Antilocapra, the prong-horned antelope, inhabit both sides of the Rocky Mountains, extending north to the Saskatchewan and Columbia River, west to the coast range of California, and east to the Missouri. Its remarkable deciduous horns seem to indicate a transition to the Cervidae. (Plate XIX., vol. ii., p. 129.) Sub-family VII. CERVICAPRINAE (5 genera, 21 species). This group of Antelopes is wholly confined to the continental portion of the Ethiopian region. The genera are: Cervicapra (4 sp.), Africa, south of the equator and Abyssinia; Kobus (6 sp.), grassy plains and marshes of Tropical Africa; Pelea (1 sp.), South Africa; Nanotragus (9 species), Africa, south of the Sahara; Neotragus (1 sp.) Abyssinia and East Africa. Sub-family VIII. CEPHALOPHINAE (2 genera, 24 species), Africa and India; Cephalophus (22 sp.), continental Ethiopian region; Tetraceros (2 sp.) hilly part of all India, but rare north of the Ganges. Sub-family IX. ALCEPHALINAE (2 genera, 11 species), large African Antelopes, one species just entering the Palaearctic region. The genera are: Alcephalus (9 sp.) all Africa and north-east to Syria; Catoblepas (2 sp.), gnus, Africa, south of the Equator. Sub-region X. BUDORCINAE (1 genus, 2 species) Budorcas inhabits the high Himalayas from Nepal to East Thibet. Sub-family XI. RUPICAPRINAE (1 genus, 2 species) the Chamois, Rupicapra, inhabit the high European Alps from the Pyrenees to the Caucasus. (Plate I., vol. i., p. 195.) Sub-family XII. NEMORHEDINAE (2 genera, 10 species). These goat-like Antelopes inhabit portions of the Palaearctic and Oriental regions, as well as the Rocky Mountains in the Nearctic region. Nemorhedus (9 sp.) ranges from the Eastern Himalayas to N. China and Japan, and south to Formosa, the Malay Peninsula and Sumatra. Aplocerus (1 sp.), the mountain goat of the trappers, inhabits the northern parts of California and the Rocky Mountains. Sub-family XIII. CAPRINAE (2 genera, 23 species). The Goats and Sheep form an extensive series, highly characteristic of the Palaearctic region, but with an outlying species on the Neilgherries in Southern India, and one in the Rocky Mountains and California. The genera are Capra (22 sp.) and Ovibos (1 sp.).

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