On the Origin of the Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life |
From inside the book
Results 1-5 of 59
Page vii
... Instincts graduated — Aphides and ants - Instincts variable - Domestic instincts , their origin — Natural instincts of the cuckoo , ostrich , and parasitic bees - Slave - making ants — Hive - bee , its cell - making instinct - Changes ...
... Instincts graduated — Aphides and ants - Instincts variable - Domestic instincts , their origin — Natural instincts of the cuckoo , ostrich , and parasitic bees - Slave - making ants — Hive - bee , its cell - making instinct - Changes ...
Page xii
... instincts of the cuckoo . Additional cases of 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 ...
... instincts of the cuckoo . Additional cases of 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 ...
Page 5
... Instinct , or the mental powers of animals ; thirdly , Hybridism , or the infertility of species and the fertility of varieties when intercrossed ; and fourthly , the imper- fection of the Geological Record . In the next chapter I shall ...
... Instinct , or the mental powers of animals ; thirdly , Hybridism , or the infertility of species and the fertility of varieties when intercrossed ; and fourthly , the imper- fection of the Geological Record . In the next chapter I shall ...
Page 10
... instincts . Many cultivated plants dis- play the utmost vigour , and yet rarely or never seed ! In some few cases it has been discovered that a very trifling change , such as a little more or less water at some par- ticular period of ...
... instincts . Many cultivated plants dis- play the utmost vigour , and yet rarely or never seed ! In some few cases it has been discovered that a very trifling change , such as a little more or less water at some par- ticular period of ...
Page 208
... instincts be acquired and modified through natural selection ? What shall we say to so marvellous an instinct as that which leads the bee to make cells , which has practically anticipated the discoveries of pro- found mathematicians ...
... instincts be acquired and modified through natural selection ? What shall we say to so marvellous an instinct as that which leads the bee to make cells , which has practically anticipated the discoveries of pro- found mathematicians ...
Other editions - View all
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