The Structure and Habits of Spiders (Classic Reprint) - Softcover

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Excerpt from The Structure and Habits of Spiders

Spider; Fig. 4, the upper side; and Fig. 5, an imaginary section through the body, to show the arrangement of the internal organs. To begin with Fig. I: the body is seen to be di vided into two parts, connected only by the nar row joint, A, just behind the last pair of legs. The front half of the body, called the thorax, contains the stomach, the central part of the nervous system, and the large muscles which work the legs and jaws. The hinder half, the abdomen, contains the intestine, the breathing organs, the principal circulating-vessels, the or gans of reproduction, and the spinning-organs. Connected with the thorax are six pairs of limbs, four pairs of legs, B B B B, a pair of palpi, C, and a pair of mandibles, D.

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