These devices are generally drawn on some dry tree without the bark, the characters being cut in the wood and filled up with vermilion mixed with grease to prevent it being washed off by rain. Pieces of bark and portions of skins are used, and in default of either soft stone will answer. Powder dissolved in water is used to mark on the skin, the impression being made with a pointed stick, inked and pressed forcibly on the skin.
The meaning of every mark is fixed and exact, understood by the mass of warriors of all tribes, not confined to or practiced by the priests unless their situation in traveling be the same as the warriors or hunters and they desire in like manner to convey some information to the nation. The foregoing purposes in different forms are the only ones to which we have had the opportunity of witnessing the application of these devices. Perhaps they are the only cases as yet necessary for their present operations, but there would be no difficulty in their picturing the passage of whites or other nations through their country should it be required, and the same be intelligible to them.
Another form, and the one in which this manner of writing appears to be of more importance among them, is the devices drawn on the robes, exhibiting their standing as warriors whenever they appear. The height of distinction in an Indian, and his greatest ambition, is to impress upon his own people or strangers the idea of his being brave, of his having done acts that entitle him to appear among men, of his superiority in this respect over others in the crowd; therefore the actions which lead to these impressions are pictured on his robe; his biography is carried on his back so that “he who runs may read.” It insures him respect through life, an honorable shroud at his death, and is believed to merit reward in futurity. A further use these devices are made to serve is the representation of monsters said to be seen by them in dreams, and supposed to have the effect when painted on their lodges of averting strokes of lightning, disease, etc.
In like manner buffalo heads are pictured to bring those animals in the direction of the camp, besides a great variety of smaller devices are seen on their shields, drums, medicine sacks, and envelopes of their amulets, to all of which appropriate and general meanings are attached corresponding with their superstitious belief or to insure success in domestic affairs. In conversation with most elderly Indians regarding locations, travels, or to explain battles and other events, resort is had by them to drawing maps on the ground, on bark with charcoal, or on paper if they can get it, to illustrate more clearly the affair in question. In this way the chief of the Crow Nation three years since made and left with us a map (pl. 77) of his intended travels during the entire fall and winter succeeding, embracing a circumference of 1,500 miles, with the different encampments to be made by that nation in that time, and so correct was the drawing that we had no difficulty in finding their camp the following winter in deep snow, one month’s travel from this place. It is regretted that those Indians are not now in this neighborhood, as in that case some specimens of their charts and devices could be inserted, but in default of better we present in this place some Assiniboin drawings, with their explanations, which will serve to give a general idea how they are managed, and other pictorial devices are attached in several parts of this work.