. The wonder of life. Biology; Natural history; Zoology. THE WAYS OF LIFE 211 evidence that the spinner im- proves by- practice. The first web made by the spiderling has all the parts seen in the web made by the adult. Montgomery has shown, in species of Epeira, that as the spiders grow older the thread becomes thicker and the web larger; there are a few more radial rays and a few more loops in the spiral, but these difEerences are correlated with the in- creased weight of the spider and the increased size of the spin-. FiG. 39.—^Young garden spiders, moving around their nest, rising and sinki
. The wonder of life. Biology; Natural history; Zoology. THE WAYS OF LIFE 211 evidence that the spinner im- proves by- practice. The first web made by the spiderling has all the parts seen in the web made by the adult. Montgomery has shown, in species of Epeira, that as the spiders grow older the thread becomes thicker and the web larger; there are a few more radial rays and a few more loops in the spiral, but these difEerences are correlated with the in- creased weight of the spider and the increased size of the spin-. FiG. 39.—^Young garden spiders, moving around their nest, rising and sinking on threads of silk, and congregating in a central mass. (After Roesel.). 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 the original Thompson, John Arthur, Sir, 1861-1933. London, A. Melrose, Ltd
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Keywords: ., bookcentury1900, booksubjectnaturalhistory, booksubjectzoology
