. Bulletin - United States National Museum. Science. [13] BULLETIlSr 39, UlsriTED STATES NATIONAL Fig. 16. twined openwork of the ai-euts. Rept. , 1884, pi. 1. fig. 2. on each other. This is a very primitive mode of weaving. Plain twined basketry is made on exactly the same plan; there is a set of warp ele- ments which ma}^ be reeds, or splints, or string, arranged radiallj" on the bottom and parallel on the body. The weft consists of two strips of root or other flexible material, and these are twisted as in form- ing a two-ply string passing over a warp stem at each half
. Bulletin - United States National Museum. Science. [13] BULLETIlSr 39, UlsriTED STATES NATIONAL Fig. 16. twined openwork of the ai-euts. Rept. , 1884, pi. 1. fig. 2. on each other. This is a very primitive mode of weaving. Plain twined basketry is made on exactly the same plan; there is a set of warp ele- ments which ma}^ be reeds, or splints, or string, arranged radiallj" on the bottom and parallel on the body. The weft consists of two strips of root or other flexible material, and these are twisted as in form- ing a two-ply string passing over a warp stem at each half turn (tig. 15). Pleasing varieties of this plain twined weaving will be found in the Aleutian Islands. The Aleuts frequently use, for their warp, stems of wild vjq or other grasses, in which the straws are split and the two halves pass upward in zigzag form; each half of a warp is caught alternately with the other half of the same straw and with a half of the adjoining straw, making a series of triangular instead of rectangular spaces (fig. 16). A still further variation is given to plain twined ware by crossing the warps. In bamboo basketry of eastern Asia these crossed warps are also interlaced or held together by a horizontal strip of bamboo passing in and out as in ordinary weaving. In such examples the interstices are triangular, but in the twined example here described (lig. 17) the weaving passes across between the points where the warps inter- sect each other, leaving hexagonal interstices. This peculiar combin- ation of plain twined weft and crossed warp has not a wide dis- tribution in America, but examples are to be seen in southeastern Alaska and among relics found in Peruvian graves. 2. Diagonal twinedivewving.—In diagonal twined weaving the twist- ing of the weft filaments is precisely the same as in plain twined weaving. The difference of the texture on the outside is caused by the manner in which the wefts cross the warps. This style abounds among the Ute Ind
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