On the Origin of the Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life |
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Page iv
... PLANTS UNDER DOMESTICATION . 2 vols . With Illustrations . 2 vols . 8vo . 28s . MURRAY . 1868 . A NATURALIST'S VOYAGE ROUND THE WORLD ; or , A JOURNAL OF RESEARCHES into the NATURAL HISTORY and GEOLOGY of the COUNTRIES visited during ...
... PLANTS UNDER DOMESTICATION . 2 vols . With Illustrations . 2 vols . 8vo . 28s . MURRAY . 1868 . A NATURALIST'S VOYAGE ROUND THE WORLD ; or , A JOURNAL OF RESEARCHES into the NATURAL HISTORY and GEOLOGY of the COUNTRIES visited during ...
Page xii
... plants , which can be crossed by a distinct species , but are impotent with pollen from the same individual plant . Discussion on dimorphic and trimorphic plants cor- rected . Conclusions on the fertility of varieties when crossed , in ...
... plants , which can be crossed by a distinct species , but are impotent with pollen from the same individual plant . Discussion on dimorphic and trimorphic plants cor- rected . Conclusions on the fertility of varieties when crossed , in ...
Page 10
... plants and animals when reared under new or unnatural conditions . Many facts clearly show how eminently susceptible the reproduc- tive system is to very slight changes in the surrounding conditions . Nothing is more easy than to tame ...
... plants and animals when reared under new or unnatural conditions . Many facts clearly show how eminently susceptible the reproduc- tive system is to very slight changes in the surrounding conditions . Nothing is more easy than to tame ...
Page 11
... plants , " as they are called by gardeners ; —that is , of plants which have suddenly produced a single bud with a new and sometimes widely different character from that of the other buds on the same plant . These bud - variations , as ...
... plants , " as they are called by gardeners ; —that is , of plants which have suddenly produced a single bud with a new and sometimes widely different character from that of the other buds on the same plant . These bud - variations , as ...
Page 13
... plants . From facts collected by Heusinger , it appears that white sheep and pigs are injured by certain plants , whilst dark - coloured individuals escape : Professor Wyman has recently communicated to me a good illustration of this ...
... plants . From facts collected by Heusinger , it appears that white sheep and pigs are injured by certain plants , whilst dark - coloured individuals escape : Professor Wyman has recently communicated to me a good illustration of this ...
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Common terms and phrases
accumulated adapted admit affinities allied species America analogous ancient appear archipelago Asa Gray become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common continuous crossed crustaceans degree developed difficulty distinct species divergence doubt eggs embryo existing exterminated extinct extremely facts favourable females fertilised fertility flowers formation forms fossil Fritz Müller Gärtner genera genus geological Glacial period gradations greater number groups of species habits Hence hermaphrodites hive-bee hybrids important individuals inhabitants inherited insects instance instincts intercrossing larvæ less living males mammals manner migration modified descendants natural selection naturalists nearly nest occasionally occur oceanic islands offspring organisation parent perfect pigeons pistil pollen present principle probably produced progenitor racters ranked reciprocal crosses remarked resemble rudimentary organs seeds sexual sexual selection Silurian slight South America stamens sterility structure struggle successive suppose theory tion variability variations vary whilst whole