. American spiders and their spinningwork. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits . Fig. 308. Fig. 309. Fig. 310. Fig. 308. The frame of original lines stretched against a stock. Fm. 309. The frame partly covered over;the spider is seen within putting on the weft. Fig. 310. The completed tube, with a small cross tubewoven at the base. ground. This forms a frame of straight lines, which is the foundationof the tube. (Fig. 308.) The spider now passes within this structure, and,clinging to the threads with her feet, moves
. American spiders and their spinningwork. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits . Fig. 308. Fig. 309. Fig. 310. Fig. 308. The frame of original lines stretched against a stock. Fm. 309. The frame partly covered over;the spider is seen within putting on the weft. Fig. 310. The completed tube, with a small cross tubewoven at the base. ground. This forms a frame of straight lines, which is the foundationof the tube. (Fig. 308.) The spider now passes within this structure, and,clinging to the threads with her feet, moves her abdomen simultaneouslybackward and forward and up and down, meanwhile issuing from thespinnerets thickened liiies, which adhere to the framework. In otherwords, the framework constitutes the warp, and the lines issued there-after the woof of her texture. (Fig. 309.) As the threads are drawn outfrom the spinnerets they are beaten down upon the frame lines by the Proceedings Academy Natural Sciences, Philadelphia, 1888, pages Habits of the American Purseweb Spider. The Nest- 326 AMERICAN SPIDERS AND THEIR SPINNINGWORK. spinnerets, not inte
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Keywords: ., bookcentury1800, bookdecade1880, bookidamericanspid, bookyear1889
