The Javanese and Sumatran species are smaller, lighter, and consequently less ferocious and powerful than the others. Both in Africa and India there is a superstition with regard to the horns of all the species, which the natives declare are sensibly acted on by poison. It is the custom to make cups of them, and in India it is said, that liquid poison poured into them, effervesces in such a manner that it overflows the cup. In Africa, the inhabitants assure you, that the cup will turn black from the same cause; and that water drunk from them possesses medicinal properties, especially if stirred with iron. The folds on the skin of the African species are much less than those of the Indian, and amount to scarcely more than wrinkles. The latter have been known to live a hundred years, and when young, their skin has a pink tinge. All eat the young branches of trees, and shrubs, and grass. It has been observed, that the skin of the African rhinoceros is so full of insects, that birds are in the habit of perching upon them, for the purpose of feeding on these insects. They suffer their winged friends to remain undisturbed, thinking, that as long as they stay, no enemy is near; but if they fly off, some danger is approaching, for which they immediately look out. These birds are not unlike the missal thrush, and remain by their friends till they are forced to leave them. When the latter are shot, they fly away, uttering a harsh cry, and return to their positions when all is quiet, even adhering to them all night. This may be also the case in India; but I have only seen it recorded of Africa. I should suppose that the loud blowing noise attributed to the African rhinoceros, holds good with all. The black variety is the most dangerous; they ramble about at night, and go to the river to drink, between the hours of nine and twelve. Those sudden fits of frenzy, to which all are liable, are particularly outrageous in them; and they have been seen to attack the bushes around them for hours at a time; uttering a strange noise, something like the combination of a grunt and a whistle. Their flesh is rather like beef, perhaps having even a finer flavour. They go about singly or in pairs, are much the most active, and pursue any object which attracts them with a perseverance which is quite ludicrous. According to Major Harris, much of the brain lies under the horns, and he saw them sometimes assemble in herds of thirty-two. The best place to aim at, when it is desirable to kill them, is behind the shoulder. Before they charge, they stand rolling their body from side to side. They become furious at the sight of fire, and in order to get at it, they dash forward with mad fury, nor rest till they have scattered and extinguished all the burning wood. The White Rhinoceroses have a longer neck than the others. Their muzzle is shorter, and more square, resembling that of the ox.