. Annual report of the Agricultural Experiment Station. Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). 2-tO With spiders, the mother's care is devoted chiefly to furnishing j^rotection to her helpless eggs. These are placed in silken sacs, which are often very elaborate in construction and protected with great care. The most connnon egg-sacs are those found in the fields attached to stones and pieces of wood (Fig. 131). They are disk-shaped objects, silvery in color, and about the size of an old-fashioned three cent 181.—Eyg-sac of a Plea

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. Annual report of the Agricultural Experiment Station. Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). 2-tO With spiders, the mother's care is devoted chiefly to furnishing j^rotection to her helpless eggs. These are placed in silken sacs, which are often very elaborate in construction and protected with great care. The most connnon egg-sacs are those found in the fields attached to stones and pieces of wood (Fig. 131). They are disk-shaped objects, silvery in color, and about the size of an old-fashioned three cent 181.—Eyg-sac of a 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 Cornell University. Agricultural Experiment Station. Ithaca, N. Y. : The University

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