Contributions to the Theory of Natural Selection: A Series of EssaysMacmillan and Company, 1870 - 384 pages |
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Page xv
... Protection of Animals - Females of some groups require and obtain more Protection than the Males - Conclusion Pp . 231-263 VIII . - Creation by Law . Laws from which the Origin of Species may be deduced - Mr . Darwin's Metaphors liable ...
... Protection of Animals - Females of some groups require and obtain more Protection than the Males - Conclusion Pp . 231-263 VIII . - Creation by Law . Laws from which the Origin of Species may be deduced - Mr . Darwin's Metaphors liable ...
Page 50
... protection to its foes , a modification of colour which shall be assimilated to that of the surround- ing country , is absolutely necessary . Hence without exception the upper plumage of every bird , whether lark , chat , sylvain , or ...
... protection to its foes , a modification of colour which shall be assimilated to that of the surround- ing country , is absolutely necessary . Hence without exception the upper plumage of every bird , whether lark , chat , sylvain , or ...
Page 51
... protection of colour , for it is said to be able to subsist on fruits and berries in winter , and to be so active upon the trees as to catch small birds among the branches . So also the woodchuck of Canada has a dark - brown fur ; but ...
... protection of colour , for it is said to be able to subsist on fruits and berries in winter , and to be so active upon the trees as to catch small birds among the branches . So also the woodchuck of Canada has a dark - brown fur ; but ...
Page 52
... protect them during the day , and at the same time . be inconspicuous in the dusk . It is only in the tropics , among forests which never lose their foliage , that we find whole groups of birds whose chief colour is green . The parrots ...
... protect them during the day , and at the same time . be inconspicuous in the dusk . It is only in the tropics , among forests which never lose their foliage , that we find whole groups of birds whose chief colour is green . The parrots ...
Page 53
... protection . The various browns and yellows and pale ash - colour that occur in fallen leaves are all reproduced in its plumage , so that when according to its habit it rests upon the ground under trees , it is almost impossible to ...
... protection . The various browns and yellows and pale ash - colour that occur in fallen leaves are all reproduced in its plumage , so that when according to its habit it rests upon the ground under trees , it is almost impossible to ...
Other editions - View all
Contributions to the Theory of Natural Selection: A Series of Essays ... Alfred Russel Wallace No preview available - 2018 |
Contributions to the Theory of Natural Selection: A Series of Essays Alfred Russel Wallace No preview available - 2016 |
Common terms and phrases
abundant action adapted alike Amboyna animals antennæ appear beautiful become bees beetles birds Borneo brain brilliant build butterflies caterpillars causes Celebes changes character closely allied species colour concealed conspicuous Crown 8vo curious Darwin Diphilus distinct Edition eggs essay evidence exactly existence external extinct Extra fcap facts faculties favourable Fcap flowers genera genus geological groups Guinea habits Heliconidæ imitation India individuals inhabiting insects instinct islands Java larvæ Lepidoptera less Malayan male Mimeta mimic mimicry mode modified Moluccas moths natural selection nectary nest never nidification number of species observations occur organic Origin of Species Ormenus Pammon Papilio Papilio Ulysses Papilionidæ peculiar perfect period phenomena POEMS Polydorus possess present probably produced protection race regions remarkable render resemble savage sexes sexual sexual selection shown structure Sumatra tail theory of natural Theseus tints tion trees tropical variation varied varieties whole wings
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