The Assiniboin living in the far northwest had another and simpler form of temporary structure, as mentioned by Kane. He wrote, when arriving at Rocky Mountain Fort, a post of the Hudson's Bay Company, April 21, 1848: "This fort is beautifully situated on the banks of the Saskatchewan, in a small prairie, backed by the Rocky Mountains in the distance. In the vicinity was a camp of Assiniboine lodges, formed entirely of pine branches." (Kane, (1), p. 408.) The painting made by him showing the fort and lodges is reproduced in plate [25], a.

dhegiha group.

Five tribes are considered as belonging to this group of the Siouan linguistic family: Omaha, Ponca, Quapaw, Osage, and Kansa. Distinct from the Dakota-Assiniboin tribes already mentioned, these undoubtedly some centuries ago lived in the central and upper Ohio valleys, whence they moved westward to and beyond the Mississippi. To these tribes may be attributed the great earthworks of the southern portion of Ohio and the adjacent regions bordering the Ohio River. To quote from the Handbook: "Hale and Dorsey concluded from a study of the languages and traditions that, in the westward migration of the Dhegiha from their seat on Ohio and Wabash rivers, after the separation, at least as early as 1500, of the Quapaw, who went down the Mississippi from the mouth of the Ohio, the Omaha branch moved up the great river, remaining awhile near the mouth of the Missouri while war and hunting parties explored the country to the northwest. The Osage remained on Osage River, and the Kansa continued up the Missouri, while the Omaha, still including the Ponca, crossed the latter stream and remained for a period in Iowa, ranging as far as the Pipestone quarry at the present Pipestone, Minnesota."

While living in the heavily timbered valleys reaching to the Ohio the several tribes now being considered unquestionably occupied villages consisting of groups of mat-covered lodges of the type erected by the Osage and Quapaw until the present time. But with the Omaha, Ponca, and Kansa, it was different, and when they reached the intermediate region, where forest and prairie joined, they were compelled to adopt a new form of structure, one suited to the natural environments, and thus they began to make use of the earth-covered lodge, and the conical skin tipi, with certain variations in form. The characteristic structures of the five tribes will now be briefly described, beginning with those of the Omaha.

Omaha.

When Lewis and Clark ascended the Missouri in 1804 they found the Omaha village not far from the Missouri, in the present Dakota County, Nebraska. On the 13th of August the expedition reached the mouth of a creek entering the right bank of the Missouri. Just beyond they encamped on a sandbar, "opposite the lower point of a large island." From here Sergeant Ordway and four men were sent to the Omaha village and returned the following day. "After crossing a prairie covered with high grass, they reached the Maha creek, along which they proceeded to its three forks, which join near the village: they crossed the north branch and went along the south; the walk was very fatiguing, as they were forced to break their way through grass, sunflowers, and thistles, all above ten feet high, and interspersed with wild pea. Five miles from our camp they reached the position of the ancient Maha village: it had once consisted of three hundred cabins, but was burnt about four years ago, soon after the smallpox had destroyed four hundred men, and a proportion of women and children. On a hill, in the rear of the village, are the graves of the nation." (Lewis and Clark, (1), I, pp. 44-45.)

Seven years after Lewis and Clark ascended the Missouri the traveler Bradbury visited the Omaha village standing on or near the site of the one mentioned in the earlier narrative. May 12, 1811, while away from the boat and traversing the country in search of botanical specimens, he arrived on the summit of the bluffs, and, to quote from his journal: "I had a fine view of the town below. It had a singular appearance; the framework of the lodges consists of ten or twelve long poles, placed in the periphery of a circle of about sixteen feet in diameter, and are inclined towards each other, so as to cross at a little more than half their length from the bottom; and the tops diverging with the same angle, exhibit the appearance of one cone inverted on the apex of another. The lower cone is covered with dressed buffalo skins, sewed together, and fancifully painted; some with an undulating red or yellow band of ten or twelve inches in breadth, surrounding the lodge at half its height; on others, rude figures of horses, buffaloes, or deer were painted; others again with attempts at the human face, in a circle, as the moon is sometimes painted; these were not less than four feet in diameter. I judged there were not fewer than eighty lodges. I did not remain long on the summit of the bluffs, as I perceived, from the heaps of earth, some of these recent, that it was a burial ground, and I knew the veneration they have for the graves of their ancestors." (Bradbury, (1), pp. 65-67.)

It is interesting to read of the number of decorated lodges then standing in an Omaha village, but in later years fewer structures were so ornamented. A typical example of a tipi of half a century ago is shown in plate [26], a, from a photograph made by Jackson in 1871.

According to the best authorities on the Omaha, from whose monographs much of the following information has been gleaned, the earth lodge and the skin tipi are the only forms of habitations made use of by the Omaha in recent generations. The earth lodge resembled those of other tribes of the upper Missouri, and among the Omaha the work of erecting such a structure was shared in by both man and woman.

"The marking out of the site and the cutting of the heavy logs were done by the men. When the location was chosen, a stick was thrust in the spot where the fireplace was to be, one end of a rawhide rope was fastened to the stick and a circle 20 to 60 feet in diameter was drawn on the earth to mark where the wall was to be erected. The sod within the circle was removed, the ground excavated about a foot in depth, and the earth thrown around the circle like an embankment. Small crotched posts about 10 feet high were set 8 or 10 feet apart and 1½ feet within the circle, and on these were laid beams. Outside this frame split posts were set close together, having one end braced against the bottom of the bank and the other end leaning against the beams, thus forming a wall of timber. The opening generally, though not always, faced the east. Midway between the central fireplace and the wall were planted 4 to 8 large crotched posts about 10 feet in height, on which heavy beams rested, these serving to support the roof. This was made of long, slender, tapering trees stripped of their bark. These were tied at their large ends with cords (made from the inner bark of the linden) to the beams at the top of the stockade and at the middle to those resting in the crotches of the large posts forming the inner circle about the fireplace. The slender ends were cut so as to form the circular opening for the smoke, the edges being woven together with elm twine, so as to be firm. Outside the woodwork of the walls and roof, branches of willow were laid crosswise and bound tight to each slab and pole. Over the willows a heavy thatch of coarse grass was arranged so as to shed water. On the grass was placed a thick coating of sod. The sods were cut to lap and be laid like shingles. Finally they were tamped with earth and made impervious to rain. The entrance way, 6 to 10 feet long, projected from the door and was built in the same manner as the lodge and formed a part of it. A curtain of skin hung at the inner and one at the outer door of this entrance way. Much labor was expended on the floor of the lodge. The loose earth was carefully removed and the ground then tamped. It was next flooded with water, after which dried grass was spread over it and set on fire. Then the ground was tamped once again. This wetting and heating was repeated two or three times, until the floor became hard and level and could be easily swept and kept clean. Brooms were made of brush or twigs tied together. Couches were arranged around the wall in the spaces between the posts of the framework. These were provided with skins and pillows, and served as seats by day and as beds by night. In the building of an earth lodge the cutting and putting on of the sods was always done by women, and as this part of the task had to be accomplished rapidly to prevent the drying out of the sods, which must hold well together, kindred helped one another. The erection of this class of dwelling required considerable labor, hence only the industrious and thrifty possessed these lodges." (Fletcher and La Flesche, (1), pp. 97-98.)