The Physical Basis of SocietyD. Appleton, 1916 - 406 من الصفحات |
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الصفحة 58
... beetles are aquatic in their early stages . They have no gills , but attach them- selves to plants from which they get a direct supply of oxygen even under the water . So many and so varied are the interrelations between the highest and ...
... beetles are aquatic in their early stages . They have no gills , but attach them- selves to plants from which they get a direct supply of oxygen even under the water . So many and so varied are the interrelations between the highest and ...
الصفحة 62
... beetles " are not only licked by their hosts ( first step ) , but are also fed regularly from their mouths ( second step ) , and finally also the larvæ of these beetles are reared by the ants like their own brood 62 THE PHYSICAL ...
... beetles " are not only licked by their hosts ( first step ) , but are also fed regularly from their mouths ( second step ) , and finally also the larvæ of these beetles are reared by the ants like their own brood 62 THE PHYSICAL ...
الصفحة 63
... beetles . " Other ants make web nests using their own larvae as shuttles . " They con- duct the mouth of the larva , from which the spinning substance issues , from one leaf margin to another , and thus weave their nest . " 8 A ...
... beetles . " Other ants make web nests using their own larvae as shuttles . " They con- duct the mouth of the larva , from which the spinning substance issues , from one leaf margin to another , and thus weave their nest . " 8 A ...
الصفحة 67
... to chase a crow or hawk . If a burying beetle discovers a dead mouse it summons from four to ten others to help . Crabs have 13 KROPOTKIN , P. o . c . , p . 23 . been known to work for hours to try to help MUTUAL AID 67.
... to chase a crow or hawk . If a burying beetle discovers a dead mouse it summons from four to ten others to help . Crabs have 13 KROPOTKIN , P. o . c . , p . 23 . been known to work for hours to try to help MUTUAL AID 67.
الصفحة 71
... this way it happens that after a season of grasshopper abundance a season of blister beetle 17 SMITH , J. B. Our Insect Friends and Enemies , pp . 84-85 . · abundance is almost certain to follow , and any abnormal MUTUAL AID 71.
... this way it happens that after a season of grasshopper abundance a season of blister beetle 17 SMITH , J. B. Our Insect Friends and Enemies , pp . 84-85 . · abundance is almost certain to follow , and any abnormal MUTUAL AID 71.
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