. The animals and man; an elementary textbook of zoology and human physiology. Zoology; Physiology. are lined with silk, and which in the case of the trap- door spider are covered with a door or lid made of silk and soil. The top of this door is always covered with soil or bits of leaves or twigs so that it is nearly indis- tinguishable from the surface of the ground about it. The common rather large swift black spiders found under stones and boards are hunting spiders, be- longing to the family Lycosidse and are call- ed the running spiders. They live in burrows pio. 77. The spinner- in the g
. The animals and man; an elementary textbook of zoology and human physiology. Zoology; Physiology. are lined with silk, and which in the case of the trap- door spider are covered with a door or lid made of silk and soil. The top of this door is always covered with soil or bits of leaves or twigs so that it is nearly indis- tinguishable from the surface of the ground about it. The common rather large swift black spiders found under stones and boards are hunting spiders, be- longing to the family Lycosidse and are call- ed the running spiders. They live in burrows pio. 77. The spinner- in the ground, coming ets of a spider, with out to stalk and chase °f spinneret enkrg- . , ed to show the spm- tneir prey. ine eggs ning spools"or tubes. (Much enlarged; after are laid in globular Jenkins and Kellogg) egg-sacs which are often carried about, attached to the spinnerets, by the female (fig. 79). The young spider- lings after hatch- ing, in some species, climb on to the mother's back and are carried by her for some time. Other kinds of wandering or hunt- ing spiders are the crab-spiders (Tho- FiG. 78. Trap-door spider (California), and two misidse) (fig. 80), burrows, one with door open one with door \^^.^ ^y j^^ closed. (Natural size; from living spider m field,) or backward as well. 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937; McCracken, Mary Isabel. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookd, booksubjectphysiology, booksubjectzoology
