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The specimen from which the central figure was taken is in all probability the earlier age of a species of Cercopithecus; but to which of them it should be referred, or whether it belongs to any hitherto characterized species, we may not venture to determine until its characters shall have become more fully developed. The distinctive[145] marks of this genus, which comprehends the smallest Monkeys of the Old Continent, consist in a depressed forehead, with a facial angle of 50; a flat nose, with the nostrils directed upwards and outwards; cheek-pouches, generally of large size; callosities behind; and a tail of considerable length. The individual before us, in addition to these characters, is remarkable for the reddish brown colour of his upper parts, which gradually disappears in a lighter hue, mingled with a bluish tinge beneath; for the elevated and compressed toupet which advances considerably forwards on his forehead; for the hairs which are thinly scattered over his livid face; and for the spreading tufts of a somewhat lighter colour which occupy the sides of his head and face posteriorly.
It may perhaps seem to require some apology that we have ventured so far to depart from the ordinary system of arrangement as to remove the Monkeys from the station which they have hitherto usually been permitted to occupy at the head of the class, and to transfer them to their present position. We will not attempt to conceal that in so doing we were chiefly actuated by the desire of placing at the commencement of our series the largest and most attractive of the animals of which it was composed; and those which, in a Menagerie like that which we have undertaken to illustrate, always constitute the most imposing feature. But while we[138] acknowledge the influence of this feeling to the fullest extent, we cannot refrain from expressing at the same time our firm conviction that the carnivorous quadrupeds possess in reality a better title to the place which we have assigned them, than the Monkeys which we have displaced to make room for them. The supposed transition from man, on which the received arrangement is founded, has little to do with the question; and it would surely require no great subtilty of argument to prove that the Carnivora are more highly typical of the great class, of which they form so important a part, than any other tribe whatever. But this is not the proper place for entering into so abstract a question; to which we have only referred en passant, for the sake of justifying ourselves upon broader principles for a deviation from established custom, which we should not have hesitated to adopt, in the present instance, on the narrow ground of expedience alone. Before, however, we take leave of it altogether, we cannot avoid asking, why, if the Monkeys are to take precedence of the Carnivora among Mammalia, the analogous tribe of Birds, the Pies and the Parrots, should not also rank above the ornithological representatives of the beasts of prey, the towering Eagle and the rapacious Vulture?
Of the genus thus characterized there exist two well[73] marked and unquestionably distinct species, the Striped Hy?na, or Hy?na vulgaris of modern zoologists, which there can be no doubt is also the Hy?na of the ancients; and the Hy?na crocuta, or Spotted Hy?na, the Tiger Wolf of the colonists of the Cape of Good Hope. To these may probably be added a third species, which there is good ground for believing to be distinct, and which has lately been described by Dr. Andrew Smith, the superintendant of the South African Museum, under the name of Hy?na villosa: this is also a native of the vicinity of the Cape, and is denominated by the settlers the Strand Wolf, or Strand Jut. With the two latter we have, however, on the present occasion, no concern; the only animal of this genus in the Tower belonging to the striped race, which inhabits the greater part of Asia and of Africa, penetrating in the former as far as India, and extending over all the northern part of the latter continent. It does not appear that the striped and spotted races are ever found to occupy the same ground; but the territorial limits which separate the one from the other have not yet been distinctly ascertained.
The beautiful birds represented above, which formed part of the Linnean genus Ardea, since subdivided into numerous distinct groups, offer the following generic characters. Their bill is conical, pointed, scarcely longer[226] than the head, and grooved along its upper surface; their head is ornamented with a crest of long and slender filamentous feathers, capable of being raised and depressed at pleasure; their wings are large and powerful; their legs are covered with large scales; the outer and middle toes are united at the base; and their claws are short and without denticulations.
The Bornean Bear is perhaps somewhat shorter in his proportions than the rest of the group, and the great proportional breadth of his head extends also to the neck and body. The claws are very long, strongly arched, and very gradually attenuated to the point, which is transversely truncated and chiefly fitted for digging the earth; but probably also enabling it to climb with great agility. The fur is short and glistening, somewhat rigid, but closely applied to the skin, and smooth to the touch. On the body, head, and extremities, the Bornean Bear has the same pure, saturated,[135] jet-black tint which is observed in the Malayan. The muzzle, including the region of the eyes, has a yellowish brown colour; and the anterior part of the neck is marked by a large broad patch of a more vivid and nearly orange tint, which is of an irregular quadrangular form, and deeply notched above. The difference in the form and colour of this patch constitutes the chief distinction between the present animal and the Malayan species, in which latter it is crescent-shaped and white.
Like other herbivorous quadrupeds they are, generally speaking, quiet and harmless, intent solely upon providing for their wants, and never attacking man or other animals unless provoked or when under the influence of excitement. In this latter case they make use not only of their proboscis, which they wield with great dexterity as a weapon of offence, but also of their tusks, with which they inflict the most tremendous wounds. Their speed in pursuit corresponds rather with the cumbrousness than with the magnitude of their frame, the excessive weight of which soon renders them weary, and compels them to slacken their pace; which, when urged to the utmost, is barely equal to that of a horse of moderate fleetness. They will sometimes penetrate in quest of food into the rice fields and sugar plantations, in which they commit the most extensive ravages, not so much by the quantity which they consume as by that which they destroy. The solitary individuals, which are[172] occasionally met with separate from the general herd, indulge perhaps more frequently in these excesses than the community, which generally avoids as much as possible the habitations of man. It has commonly been imagined that these stray Elephants were the younger and weaker males, who had been driven from the herd by their more powerful fellows; but the fact that they are usually adults of the largest size completely negatives this supposition, and proves that it is of their own free will that they wander thus alone. They attain their full growth between the ages of eighteen and twenty-four, and well authenticated instances have occurred in which they have reached the age of a hundred and thirty years. Indeed there is reason to believe that their life may be sometimes prolonged to two centuries.