9. All along the Yukon, from near Tanana (Old Station) to the mouth of the river, in the Indian and in the Eskimo region, there prevailed the same type of winter house, namely, a largely subterranean room with a subterranean tunnel or corridor entrance; and also a similar type of summer dwelling, formerly a skin, now a canvas, tent. The winter dwellings were built within of stout posts and covered with birch bark and sod, looking from outside much like the present-day Navaho hogan; while the pits left by them remind one of the southwestern "pit dwellings," the kashims of the Pueblo kivas. As a hogan, so these largely subterranean dwellings along the Yukon had a smoke-air-and-light hole in the center of the top, a fireplace in the middle of the floor, and benches (of heavy hewn planks in the north) along the sides. Each village, furthermore, had at least one larger structure of similar nature, the "kashim," or communal house. All this may still be traced more or less plainly on the dead sites along the Yukon, and houses as well as a kashim of this type were seen at Kotlik and Pastolik, at the mouth of the river.
10. The native industry of the river presents also much similarity, though there are differences.
Pottery, of much the same type and decoration, was made at least as far as the lower middle Yukon.
Stone implements were made and used all along the river, and were much alike. But the double-grooved, cupid-bow ax of the Yukon Indian, hafted in the center and used for chipping rather than cutting, is lower down replaced by the same ax, in which one end has been broken off (or has not been finished), and which is hafted as an adze; or by oblong quadrilateral flat axes which have not been found up the river.
The peculiar and apparently very primitive stone industry of Bonasila is, it seems, just a development of local conditions—nature of most available stone, and essentially hunting habit of the people that resulted in many skins which called for numerous scrapers. Nevertheless the site deserves a thorough further exploration.
There was apparently not much basketry along the river, the place of the baskets being taken by the birch-bark dishes of the Indian and the kantág or ingeniously made wooden dish of the Eskimo part of the river.
Canoes among the Yukon Indians were mainly of birch bark, while the Eskimo had mainly skin canoes.
11. Neither the Indians nor the Eskimo of the Yukon practiced deformation of the head or of any other part of the body, or dental mutilation. The Indians as well as the Eskimo occasionally pierced the septum of the nose, for nose pieces, while the Eskimo cut on each side a slit in the lower lip for the introduction of labrets. The Eskimo cut their hair short in a characteristic way, reminding strongly of certain monks; the Indians left their hair long. But at Anvik the Indians both cut their hair and wore labrets. They also used the wooden dish.
12. From all the preceding it appears that there must have been long and intensive contacts between the Yukon Eskimo and Indians; that, through war or in peace, they became mutually admixed; and that there were mutual cultural transmissions.
13. No further light for the present could be gained on the origin, antiquity, or early migrations of the Yukon Indian. It was determined, however, that he represents but one main physical type, and that this type is the same as that of the Indians of the Tanana and most other Alaskan Indians of the present time.