. Elements of zoölogy : a textbook. Zoology. FIG. 443. Bark-louse, Aspidiotus Harrisii, Walsh. A and B enlarged. Bark-lice furnished the famous Icokkos of the Greeks, the coccus of the Komans, the kermes of the Arabs, the cocchi of the Italians, and the alkermes of the Persians. Some kinds of hemiptera, as the Boat-flies or Notonec- tidse, live in the water, and are noted for their habit of swimming on their backs. Others, as the Scorpion-bugs or Nepidse, live in the water, and are adapted for seizing prey by their fore legs, which flex upon themselves, and thus act as pincers. Some kinds of s
. Elements of zoölogy : a textbook. Zoology. FIG. 443. Bark-louse, Aspidiotus Harrisii, Walsh. A and B enlarged. Bark-lice furnished the famous Icokkos of the Greeks, the coccus of the Komans, the kermes of the Arabs, the cocchi of the Italians, and the alkermes of the Persians. Some kinds of hemiptera, as the Boat-flies or Notonec- tidse, live in the water, and are noted for their habit of swimming on their backs. Others, as the Scorpion-bugs or Nepidse, live in the water, and are adapted for seizing prey by their fore legs, which flex upon themselves, and thus act as pincers. Some kinds of scorpion-bugs (Fig. 443) are no more than an inch long; but some species of Belostoma, with an oval body, attain a length of three or four inches, and J?anatra, with a narrow body, is about three inches in length. Other kinds of hemiptera, as the water-measurers or Hydrometri- dre, are found on the surface of water, over the surface oi which they move with a gliding motion. To the Hemiptera belong the little Chinch-bug. Scorpion-Bug, apinilata, 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 Tenney, Sanborn, 1827-1877. New York : Scribner
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