. American spiders and their spinning work. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits. Spiders. 72 AMERICAN SPIDERS AND THEIR SPINNINGWORK. As a rule, the last named genera will remain upon their webs until they are worn out, and repair them whenever the exigency requires, making the changes ordinarily either in the morning or in the evening, lme or aii(1 not attemptmg to mend the broken lines, except as above stated, in a casual way, to prevent the collapsing of the snare after the disruptions caused by violent insect st
. American spiders and their spinning work. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits. Spiders. 72 AMERICAN SPIDERS AND THEIR SPINNINGWORK. As a rule, the last named genera will remain upon their webs until they are worn out, and repair them whenever the exigency requires, making the changes ordinarily either in the morning or in the evening, lme or aii(1 not attemptmg to mend the broken lines, except as above stated, in a casual way, to prevent the collapsing of the snare after the disruptions caused by violent insect struggles. They will hold on to the snare and let it do what duty it may until toward the close of the day, when they proceed to cut away the fragments and build anew. It will thus be seen that the act of mending a web in the case of Orbweavers is not common, but confined to the damages done by struggling victims. Fio. 50. A Shamrock spider mending a wind wrecked web. and to the slight impairments due to incidental casualties', such as the dropping of leaves, twigs, or the effects of the wind. An interesting illustration of the behavior of the spiders under the last named condition was seen during a gale of wind at Niantic, Connec- ticut. An adult female Shamrock spider, Epeira trifolium, had A wind stretched her large vertical orb from a clump of young oak bushes Wrecked w , on the one hand to a cluster of tall golden rods on the other, the intervening space over which her foundation line was stretched being six or seven feet. The lower parts of the snare were stayed to herbage on the ground. A strong gale from the sea was blowing, and whipped the tops of the golden rod back and forth so violently that the main foundation line was snapped and the upper part of the web collapsed,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble t
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Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectspiders, bookyear1889
