. Nature-study; a manual for teachers and students. Nature study. SOME LO\\^R ANIMALS 249 black spider, that may be seen running on the ground, on the fences, or upon plants. It has a way of thrusting up the abdomen and ejecting a thread of silk, which is carried along by the wind. As the wind takes the thread, the spider spins. Fig. 93. Dewy Web of an Orb Spider. (The spider lives under one uf the lily leaves.) out more, and, when the thread is several feet in length, the spider makes a little leap and sails off on its silken balloon. Pick up some of these spiders, and on letting them crawl u
. Nature-study; a manual for teachers and students. Nature study. SOME LO\\^R ANIMALS 249 black spider, that may be seen running on the ground, on the fences, or upon plants. It has a way of thrusting up the abdomen and ejecting a thread of silk, which is carried along by the wind. As the wind takes the thread, the spider spins. Fig. 93. Dewy Web of an Orb Spider. (The spider lives under one uf the lily leaves.) out more, and, when the thread is several feet in length, the spider makes a little leap and sails off on its silken balloon. Pick up some of these spiders, and on letting them crawl up to the end of a pencil or the finger you may observe this per- formance. At the rear of the abdomen is the spinneret, from which. 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 Holtz, Frederick Leopold, 1870-. New York, C. Scribner's Sons
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