禁漫天堂主页访问不了怎么办The Chetah has been until of late years very imperfectly known in Europe. Linn?us was entirely unacquainted with it, and Buffon described it from the fur alone under the name of Guêpard, the appellation by[68] which its skin was distinguished in the commerce with Senegal, but evidently without suspecting its identity with the Asiatic animal, the trained habits of which, misled probably by the authority of Tavernier, he erroneously attributed to his imaginary Ounce. Subsequent French zoologists had rectified this error, and it was generally believed that the tamed Leopard of Bernier, the Youze, the Guêpard, and Tavernier’s Ounce, were one and the same animal; but it was not until a year or two ago that the possession of a living specimen, brought from Senegal, in the Menagerie of the Jardin du Roi, enabled M. F. Cuvier to ascertain its characters with precision. The comparison of this African specimen with the skins sent from India, and with the notes and drawings made in that country by M. Duvaucel, to whom w

But for these shades of colour, or for any other, we should look in vain in the animal of the Tower Menagerie, which, in consequence of a particular conformation, not unfrequent in some species of animals, and occasionally met with even in the human race, is perfectly and purely white. In order to explain this phenomenon, which is one of the most curious, but at the same time one of the most simple in physiology, it is necessary to observe that there exists beneath the epidermis, or outer covering of the skin, both in man and animals, a peculiar membrane of very fine and delicate texture, which is scarcely visible in the European but sufficiently obvious in the Negro, termed by anatomists the rete mucosum. In this net-work is secreted, from the extremities of the minute vessels which terminate upon its surface, a mucous substance which varies in colour according to the complexion of the individual, of the varieties in which it is the immediate cause; and from the substance thus secreted the colouring matter o

禁漫天堂主页访问不了怎么办 

ting addition having been made to the stock of the Menagerie by the acquisition of a couple of Spotted Hy?nas; a brief notice of which we subjoin, as well as their portraits by way of tail-piece, they having arrived during the progress of the present sheet through the press, and consequently too late for insertion in their proper place.
as two feet. They are well known as furnishing one of the most beautiful and ornamental productions which the animal kingdom[166] affords, as well as a valuable article of commerce, in the pure and polished ivory of which they are formed. They have been known to weigh as much as one hundred and fifty pounds, but their usual average is from fifty to seventy.