. First lessons in zoology. Zoology. 3^8 FIRST LESSONS IN ZOOLOGY Other social animals.—Besides bees, ants, and wasps there are many other animals which hve together in more or less helpful association with each other. The beavers, which unite to build a dam in order to make a pond in M'hich to build their houses; the prairie-dogs, which live in large '' towns ''; the bands of crows that post sentinels to watch for enemies while the others feed; the birds which migrate in great flocks following a few leaders; and the wolves, which hunt together in bands and are thus able to attack and pull dow
. First lessons in zoology. Zoology. 3^8 FIRST LESSONS IN ZOOLOGY Other social animals.—Besides bees, ants, and wasps there are many other animals which hve together in more or less helpful association with each other. The beavers, which unite to build a dam in order to make a pond in M'hich to build their houses; the prairie-dogs, which live in large '' towns ''; the bands of crows that post sentinels to watch for enemies while the others feed; the birds which migrate in great flocks following a few leaders; and the wolves, which hunt together in bands and are thus able to attack and pull down animals too large to be overcome by a single individual, are all examples of animals which display a certain degree of mutual aid. Let each pupil try to discover others among the animals familiar to him. For detailed accounts of the honey-bee see Cowan's "Natural History of the Honey-bee," or Cook's "Bee- keepers' Guide," or Cheshire's " Bees and ; Maeterlinck's " The Life of a I^ee " is most interesting. For a good account of the wasps and hornets see Orme- rod's " British Social '; " Ants and their Waj-s," by W. F. White, is good. For an interesting account of experiments to reveal the intelligence of ants, bees, and wasps, see Lubbock's " Ants, Bees, and '; 'W. M. Wheeler has published in various numbers of the " Ameri- can Naturalist " of 1902 accounts of his interesting studies on 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. New York, H. Holt and Company
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