Proceedings of the Newport Natural History Society Volume 3

Proceedings of the Newport Natural History Society Volume 3

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1885 edition. Excerpt: ... most remarkable intelligence and skill, and furnished with wonderful organs for the performance of wonderful work. The spider then is my theme. Making no pretensions to scientific knowledge and with no attempt at classification, I shall endeavor to present a few of the general characteristics of the spider, with special reference to the chief peculiarity wherein it may be regarded as a living machine, Lecture delivered before the Society February 3d, 1885. both for the spinning of silk, and for the weaving of the same into the most wonderful fabrics; sometimes as cocoons for its eggs and young, sometimes as a lining for its nests, sometimes as a network for the capture of prey. The spider is classed with the articulates, between insects proper and the crustaceans. The body is divided by a single articulation into chest and abdomen, the head being continuous with the chest. There are four pairs of legs, and if one is lost by accident it is reproduced at the time of moulting. There are spines and hairs covering the legs, and the feet have a most delicate sense of touch in handling the web. There are usually eight eyes, sometimes six, differently arranged in different species. Some of the web builders seem not to see, simply distinguishing between darkness and light, while the hunting and field spiders have a very sharp sight, and will look a man straight in the eye. From the root of the jaws extend the falces, or sickle-shaped forceps, powerfully made for holding prey, and with the joints or hooks turned inward. At the base of these in some species is a poison sac, and a slit in the outer covering near the end of the fang lets out a drop of liquid poison. There is a great difference in different species in respect to venom. The field more

Product details

  • Paperback | 38 pages
  • 189 x 246 x 2mm | 86g
  • United States
  • English
  • black & white illustrations
  • 1236896440
  • 9781236896445