The Descent of Man and Selection in Relation to SexJohn Murray, 1874 - Всего страниц: 688 |
Результаты поиска по книге
Результаты 1 – 5 из 88
Стр. v
... attributed some amount of modification to the direct and prolonged action of changed conditions of life . Some allowance , too , must be made for occasional reversions of structure ; nor must we forget what I have called a 3.
... attributed some amount of modification to the direct and prolonged action of changed conditions of life . Some allowance , too , must be made for occasional reversions of structure ; nor must we forget what I have called a 3.
Стр. viii
... action of the environment in causing differences between the sexes . Period of development of protuberances on birds ' heads determines their trans- mission to one or both sexes . Causes of excess of male births . Proportion of the ...
... action of the environment in causing differences between the sexes . Period of development of protuberances on birds ' heads determines their trans- mission to one or both sexes . Causes of excess of male births . Proportion of the ...
Стр. ix
... action of climate on birds ' colours . ( Further facts on the ocelli in the Argus pheasant . Display by humming birds in courtship . ( Cases with pigeons of colour transmitted to one sex alone . Taste for the beautiful permament enough ...
... action of climate on birds ' colours . ( Further facts on the ocelli in the Argus pheasant . Display by humming birds in courtship . ( Cases with pigeons of colour transmitted to one sex alone . Taste for the beautiful permament enough ...
Стр. xi
... 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 ...
... 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 ...
Стр. xiii
... action of the conditions of life - Slight or no influence of natural selection- Sexual selection PAGE 166 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 PAGE 166 PART II . SEXUAL SELECTION . CHAPTER VIII . PRINCIPLES OF SEXUAL SELECTION . Secondary sexual characters - Sexual selection ...
Другие издания - Просмотреть все
Часто встречающиеся слова и выражения
acquired adult female adult male Africa American apes appear Argus pheasant beard beauty become believe birds body brain breed breeding-season Brehm bright colours civilised common common pheasant conspicuous courtship developed difference in colour distinct species domestic doubt elytra extremely fact feathers fighting fishes Fritz Müller genus habits hair head Hist horns India inhabitants inherited insects instance Jerdon kinds larvæ latter Lepidoptera less likewise lower animals Lubbock Malay Archipelago mammæ mammals manner Marsupials mental modified monkeys moult natural selection naturalist nearly negroes nests observed occur ocelli offspring organs ornaments Orthoptera pair period pheasant plumage polygamous possess probably Proc Prof progenitors Quadrumana quadrupeds races reason remarks resemble the adult respect rudiments savages secondary sexual characters seen sexes sexual selection shew shewn spots stridulating structure tail teeth tints tion transmitted tribe Variation of Animals various Wallace wings women young Zoolog
Популярные отрывки
Стр. 565 - For my own part, I would as soon be descended from that heroic little monkey who braved his dreaded enemy in order to save the life of his keeper; or from that old baboon who, descending from the mountains, carried away in triumph his young comrade from a crowd of astonished dogs, — as from a savage who delights to torture his enemies, offers up bloody sacrifices, practices infanticide without remorse, treats his wives like slaves, knows no decency, and is haunted by the grossest superstitions.
Стр. 65 - If no organic being excepting man had possessed any mental power, or if his powers had been of a wholly different nature from those of the lower animals, then we should never have been able to convince ourselves that our high faculties had been gradually developed. But it can be shown that there is no fundamental difference of this kind.
Стр. 165 - The Simiadae 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.
Стр. 565 - We must, however, acknowledge, as it seems to me, that man with all his noble qualities, with sympathy which feels for the most debased, with benevolence which extends not only to other men but to the humblest living creature, with his god-like intellect which has penetrated into the movements and constitution of the solar systemwith all these exalted powers- Man still bears in his bodily frame the indelible stamp of his lowly origin.
Стр. 559 - I am aware that the conclusions arrived at in this work will be denounced by some as highly irreligious ; but he who denounces them is bound to show why it is more irreligious to explain the origin of man as a distinct species by descent from some lower form, through the laws of variation and natural selection, than to explain the birth of the individual through the laws of ordinary reproduction.
Стр. 160 - We should then be justified in believing that at an extremely remote period a group of animals existed, resembling in many respects the larvae of our present Ascidians, which diverged into two great branches— the one retrograding in development and producing the present class of Ascidians, the other rising to the crown and summit of the animal kingdom by giving birth to the Vertebrata.
Стр. 134 - It is surprising how soon a want of care, or care wrongly directed, leads to the degeneration of a domestic race; but, excepting in the case of man himself, hardly any one is so ignorant as to allow his worst animals to breed.
Стр. 94 - The question is of course wholly distinct from that higher one, whether there exists a Creator and Ruler of the universe; and this has been answered in the affirmative by some of the highest intellects that have ever existed. If, however, we include under the term "religion...
Стр. 116 - Thus at last man comes to feel through acquired and perhaps inherited habit, that it is best for him to obey his more persistent instincts. The imperious word ought...
Стр. 126 - We have seen that the senses and intuitions, the various emotions and faculties, such as love, memory, attention, curiosity, imitation, reason, etc., of which man boasts, may be found in an incipient, or even sometimes in a well-developed condition, in the lower animals.