Quadrupeds, What They Are and Where Found: A Book of Zoology for Boys

by Mayne Reid

The chimpanzee is found only in the forests of tropical Africa—more especially along the west coast, the banks of the Gaboon, and other rivers. The ourang-outang is exclusively Asiatic—inhabiting Borneo, Sumatra, the peninsula of Malacca, Cochin China, and several others of the large Oriental islands. Of the ourang-outang there are two species—perhaps three—differing very little, except in point of size and colour.

A group of large tail-less apes, usually denominated Gibbons, or Long-armed Apes, come next in order. These are neither so large nor human-like as the ourang or the chimpanzee; nevertheless, they are capable of walking upon their hind legs, after the manner of bipeds. They are all long-armed apes, and generally use their fore-arms in walking, but more to assist them in clinging to the branches of trees, and swinging themselves from one to the other.

The gibbons are all Asiatic monkeys, and inhabit the same countries with the ourang, viz., the tropical forests of India and the Indian Archipelago. There are at least a dozen species of them, nearly half of which are found in the Island of Sumatra alone.

The Proboscis monkeys follow the gibbons. These are also long-armed apes, but with tails and sharp proboscis-like snouts, from which their name is derived. Only two species are known—both belonging to the great Island of Borneo, so rich in varieties of these human-like mammalia. One of the species of proboscis monkeys has also been observed in Cochin China. Another large tribe of Asiatic apes, containing in all nearly twenty different species, has been constituted into a genus called Semnopithecus. These also inhabit the Indian continent and the great islands; but they are not so exclusively tropical in their habits, since several of the species extend their range northward to Nepaul, and other districts among the Himalaya Mountains. It is a species, or more than one, of these ugly apes that is venerated by the Hindus; and they are permitted to live without molestation in the sacred groves and temples, though they often prove most troublesome protegées to their fanatical benefactors.

In Africa, the representatives of this last-mentioned tribe are found in the Colobus monkeys. Of these there are about a dozen species; and from several of them are obtained the long-haired monkey skins of commerce. They are all tropical animals, and inhabit the middle zone of Africa—their range extending from Abyssinia to the shores of the Atlantic.

Another very large tribe, containing in all as many as thirty species, and belonging exclusively to Africa, are the Guenons. They are closely allied to the colobus monkeys, but yet sufficiently different from them in habits and conformation to be classed into a separate genus. Most of the guenons inhabit the central regions of Africa; but they are not exclusively tropical, since several kinds belong to Kaffraria, and that region indefinitely called the Cape of Good Hope.

The Macaco apes constitute another genus, which forms the link between the guenons and the baboons, or dog-headed monkeys. They are neither exclusively African nor Asiatic monkeys, since species of macacoes are found in both these continents. They are usually subdivided into the macacoes with long tails, and those with short tails; and there is one species which wants this appendage altogether. This is the Magot—perhaps the most noted of all the macacoes, since it was the earliest known to European nations, and is, in fact, the only species that is indigenous to Europe. It is the magot that inhabits the Rock of Gibraltar. Much has been written as to whether this monkey is really indigenous to Europe—some naturalists alleging that it reached Gibraltar from Africa, where it is also common. But it is not generally known that, on European ground, the magot is not confined solely to the Gibraltar Rock. It is also found in other parts of the south of Spain; and, it is likely enough, has existed there long enough to claim the character of a native.

In the chain of natural affinities, the Baboons, or dog-headed monkeys, stand next to the macacoes. These are more of a quadruped form than any yet mentioned; and, both in a moral and physical sense, they are certainly the ugliest of animals. The hideous Drills and Mandrills, so well-known in our menageries, belong to this genus; as also the Chacma, or great dog-monkey of the Cape.

There are, in all, seven or eight species of baboons, and most of them inhabit Africa. One of the most singular of them, the Hamadryas, extends its range into Arabia; while another, the Black Baboon, is an inhabitant of the Philippine Isles.

With the baboons we close our list of the Monkeys of the Old World; but, in order to complete the account of these quadruped mammalia, it is necessary to find a place for those strange creatures usually known as Lemurs. These are usually grouped by themselves, and in a classification succeed the American monkeys—to some of which they have a greater resemblance than to those of the Old World; but, as they are all exclusively inhabitants of the latter, they may appropriately be noticed here.