. American spiders and their spinningwork. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits . Male of Ar^iopu iiiphiiiaria on arutiiiueiitary web. ARGIOPE AND HER RIBBONED ORB. 107 more elaborate than that shown at Fig. 98, having well defined radii anda spiral system at least in the lower part; but I have never seen onethat extended beyond the bounds of what in a perfect orb is the centralspace. The zigzag ribbon is i)resent, but scant and ill defined. The habitsof the male and another drawing of his snare will be found in a su
. American spiders and their spinningwork. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits . Male of Ar^iopu iiiphiiiaria on arutiiiueiitary web. ARGIOPE AND HER RIBBONED ORB. 107 more elaborate than that shown at Fig. 98, having well defined radii anda spiral system at least in the lower part; but I have never seen onethat extended beyond the bounds of what in a perfect orb is the centralspace. The zigzag ribbon is i)resent, but scant and ill defined. The habitsof the male and another drawing of his snare will be found in a subsequentchapter. The following are measurements of several webs of Cophinaria :Radii, 35; notched spirals, 13; beaded spirals, 24. Specimen halfNo. 2. Radii, 26; notched spirals, 13 ; beaded spirals, not counted. No. 1. grown. No. 3. 1 below; the orb 12 inches. Central decorations on orbs of .^rgyraspis. Beaded spiralsincluding the Radii, 30; beaded spirals, 16 above tlie hubin lengtli, 10 inches and ribbon 5 inch-es long. A strong fenderplaced three inches fromthe sjDider. Eight notchedsjiirals partly covered bythe shield. The ribbon en-tirely traverses the shieldspace. No. 4. Radii, 35, 18on one side of the ribbon,17 on the other, includingthe radii inclosing the rib-bon. Notched spirals 13, nearly filling the open Width of orb, 8 inches. Zigzag ribbon, 3 inchesshield, which is about five-eighths inch. II. The Banded Argiope (A. argyraspis) is an abundant species, at least inPennsylvania and the adjacent States to the south and east. The femaleis generally somewhat shorter in body length than the Basket Ar-giope, and otherwise smaller. The abdomen tapers graduallyfrom the middla part toward the apex. The spider is of a gen-eral whitish gray color; her abdomen is covered above with a bright silvergloss, and is crossed
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Keywords: ., bookcentury1800, bookdecade1880, bookidamericanspid, bookyear1889