The Descent of Man, and Selection in Relation to Sex, 1. köideJ. Murray, 1871 - 475 pages |
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Page vi
... action of the conditions of life - Effects of the increased use and disuse of parts - Arrested development — Re- version Correlated variation Rate of increase - Checks to increase - Natural selection - Man the most dominant animal in ...
... action of the conditions of life - Effects of the increased use and disuse of parts - Arrested development — Re- version Correlated variation Rate of increase - Checks to increase - Natural selection - Man the most dominant animal in ...
Page vii
... action of the conditions of life -Slight or no influence of natural selection - Sexual selection . 214-250 PART II . SEXUAL SELECTION . CHAPTER VIII . PRINCIPLES OF SEXUAL SELECTION . Secondary sexual characters - Sexual selection ...
... action of the conditions of life -Slight or no influence of natural selection - Sexual selection . 214-250 PART II . SEXUAL SELECTION . CHAPTER VIII . PRINCIPLES OF SEXUAL SELECTION . Secondary sexual characters - Sexual selection ...
Page viii
... action of the conditions of life - Colours adapted for protection - Colours of moths - Display - Per- ceptive powers of the Lepidoptera - Variability - Causes of the difference in colour between the males and females - Mimickry , female ...
... action of the conditions of life - Colours adapted for protection - Colours of moths - Display - Per- ceptive powers of the Lepidoptera - Variability - Causes of the difference in colour between the males and females - Mimickry , female ...
Page 18
... action of muscles , but includes a diminished flow of blood to a part or organ , from being subjected to fewer alternations of pressure , or from becoming in any way less habitually active . Rudi- ments , however , may occur in one sex ...
... action of muscles , but includes a diminished flow of blood to a part or organ , from being subjected to fewer alternations of pressure , or from becoming in any way less habitually active . Rudi- ments , however , may occur in one sex ...
Page 19
... action . Prof. Turner , of Edinburgh , has occasionally detected , as he informs me , muscular fasciculi in five different situa- tions , namely in the axillæ , near the scapulæ , & c . , all of which must be referred to the system of ...
... action . Prof. Turner , of Edinburgh , has occasionally detected , as he informs me , muscular fasciculi in five different situa- tions , namely in the axillæ , near the scapulæ , & c . , all of which must be referred to the system of ...
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Common terms and phrases
acquired anthropomorphous apes appear baboons Bates beautiful become beetles believe birds birth body breeds Brehm butterflies chapter civilised coccyx common crustaceans degree developed differ in colour distinct species doubt early progenitors elytra entomologists existence extremely fact faculties feel females Fritz Müller genus greater number habits hair highly Hist horns individuals inhabit inherited insects instance kind large number larger larvæ latter Lepidoptera less lower animals Lubbock males mammæ mammals manner Marsupials mental powers modified monkeys moral moths muscles natural selection naturalists observed offspring organs Origin of Species Orthoptera pair period Plants under Domestication polygamous possess probably Proc Prof proportion Quadrumana races racters rasp remarks resemble respect rudimentary rudiments SAMUEL SMILES savages secondary sexual characters sexual selection shew shewn skull social instincts stridulating structure surface sympathy tion transmitted tribe variability Variation of Animals various Vertebrates Wallace whilst wings Woodcuts young Zoolog
Popular passages
Page 152 - I probably attributed too much to the action of natural selection or the survival of the fittest. I have altered the fifth edition of the Origin so as to confine my remarks to adaptive changes of structure.
Page 213 - We may thus ascend to the Lemuridae ; and the interval is not wide from these to the Simiadae. The Simiadee then branched off into two great stems, the New World and Old World monkeys ; and from the latter, at a remote period, Man, the wonder and glory of the Universe, proceeded.
Page 101 - ... and small tribes are united into larger communities, the simplest reason would tell each individual that he ought to extend his social instincts and sympathies to all the members of the same nation, though personally unknown to him. This point being once reached, there is only an artificial barrier to prevent his sympathies extending to the men of all nations and races.
Page 200 - The great break in the organic chain between man and his nearest allies, which cannot be bridged over by any extinct or living species, has often been advanced as a grave objection to the belief that man is descended from some lower form; but this objection will not appear of much weight to those who, from general reasons, believe in the general principle of evolution.
Page 102 - I believe that the experiences of utility organized and consolidated through all past generations of the human race, have been producing corresponding nervous modifications, which, by continued transmission and accumulation, have become in us certain faculties of moral intuition — certain emotions responding to right and wrong conduct, which have no apparent basis in the individual experiences of utility.
Page 104 - Looking to future generations, there is no cause to fear that the social instincts will grow weaker, and we may expect that virtuous habits will grow stronger, becoming perhaps fixed by inheritance. In this case the struggle between our higher and lower impulses will be less severe, and virtue will be triumphant.
Page 179 - All other series of events — as that which resulted in the culture of mind in Greece, and that which resulted in the Empire of Rome — only appear to have purpose and value when viewed in connection with, or rather as subsidiary to, the great stream of Anglo-Saxon emigration to the West.
Page 17 - Without question, the mode of origin and the early stages of the development of man are identical with those of the animals immediately below him in the scale: — without a doubt, in these respects, he is far nearer the Apes, than the Apes are to the Dog.
Page 68 - The same high mental faculties which first led man to believe in unseen spiritual agencies, then in fetishism, polytheism, and ultimately in monotheism, would infallibly lead him, as long as his reasoning powers remained poorly developed, to various strange superstitions and customs.