Another change which takes place in the form of the captive buffalo is an arching of the back in the middle, which has a tendency to make the hump look lower at the shoulders and visibly alters the outline of the back.  This tendency to “hump up” the back is very noticeable in domestic cattle and horses during rainy weather.  While a buffalo on his native heath would seldom assume such an attitude of dejection and misery, in captivity, especially if it be anything like close confinement, it is often to be observed, and I fear will eventually become a permanent habit.  Indeed, I think it may be confidently predicted that the time will come when naturalists who have never seen a wild buffalo will compare the specimens composing the National Museum group with the living representatives to be seen in captivity and assert that the former are exaggerations in both form and size.

3. Mounted Specimens in Museums.—­Of the “stuffed” specimens to be found in museums, all that I have ever seen outside of the National Museum and even those within that institution up to 1886, were “stuffed” in reality as well as in name.  The skins that have been rammed full of straw or excelsior have lost from 8 to 12 inches in height at the shoulders, and the high and sharp hump of the male has become a huge, thick, rounded mass like the hump of a dromedary, and totally unlike the hump of a bison.  It is impossible for any taxidermist to stuff a buffalo-skin with loose materials and produce a specimen which fitly represents the species.  The proper height and form of the animal can be secured and retained only by the construction of a manikin, or statue, to carry the skin.  In view of this fact, which surely must be apparent to even the most casual observer, it is to be earnestly hoped that here no one in authority will ever consent to mount or have mounted a valuable skin of a bison in any other way than over a properly constructed manikin.

4. The Calf.—­The breeding season of the buffalo is from the 1st of July to the 1st of October.  The young cow does not breed until she is three years old, and although two calves are sometimes produced at a birth, one is the usual number.  The calves are born in April, May, and June, and sometimes, though rarely, as late as the middle of August.  The calf follows its mother until it is a year old, or even older.  In May, 1886, the Smithsonian expedition captured a calf alive, which had been abandoned by its mother because it could not keep up with her.  The little creature was apparently between two and three weeks old, and was therefore born about May 1.  Unlike the young of nearly all other Bovidæ, the buffalo calf during the first months of its existence is clad with hair of a totally different color from that which covers him during the remainder of his life.  His pelage is a luxuriant growth of rather long, wavy hair, of a uniform brownish-yellow or “sandy” color (cinnamon, or yellow ocher, with a shade of Indian yellow) all over the head, body, and tail, in striking contrast with the darker colors of the older animals.  On the lower half of the leg it is lighter, shorter, and straight.  On the shoulders and hump the hair is longer than on the other portions, being 11/2 inches in length, more wavy, and already arranges itself in the tufts, or small bunches, so characteristic in the adult animal.