. American spiders and their spinningwork. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits . FifJ. 91. Manner of spin-ning the sheeted open and theconical mass of spin-ningwork drawn abdomen lifted. Fig. 92. The abdomendropped, and the massof lines gathered intoloops. 100 AJrEKICAN SPIDEUS .VXD THEIR a motion wliich causes tlie threads to rapidly contract and gather into aHttlo ball of loops near the surface of the web. (Fig. 92.) The sjiider thenswings her alxloinen well to one side of thi
. American spiders and their spinningwork. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits . FifJ. 91. Manner of spin-ning the sheeted open and theconical mass of spin-ningwork drawn abdomen lifted. Fig. 92. The abdomendropped, and the massof lines gathered intoloops. 100 AJrEKICAN SPIDEUS .VXD THEIR a motion wliich causes tlie threads to rapidly contract and gather into aHttlo ball of loops near the surface of the web. (Fig. 92.) The sjiider thenswings her alxloinen well to one side of this flossy hunij) of loops, as atFig. 93, (Irawuig after her a ray of milky filaments. Next, she draws backher abddinru, wliich is held close to tlie siiield si)ace, pulls the taut linesover the flossy mass (Fig. i)4), and the spinnerets are thenmoved back and forth with a lateral motiim like thes])reading of mortar by a msisons trowel, thus pushing,beating, or spreading the loops against the cross lines ofthe hul). The spider repeats these motions, at the sametime shifting her position occasionally, thus revolving her-self by her feet around the circle of the shield. As thespinnerets, of course, revolve with the body, the weavingprocess is continually repeated, and the shield graduallyFi<:.93. A third position, formed. Tlic movcmcnt of the si)innerets is from theto one side, drawing Centre of
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Keywords: ., bookcentury1800, bookdecade1880, bookidamericanspid, bookyear1889
