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《The Descent of Man, and Selection in Relation to Sex》Chapter XXI General Summary and Conclusion
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
A BRIEF summary will be sufficient to recall to the reader's mind
the more salient points in this work. Many of the views which have
been advanced are highly speculative, and some no doubt will pr...
《The Descent of Man, and Selection in Relation to Sex》Chapter XX Secondary Sexual Characters of man (Continued)
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
WE have seen in the last chapter that with all barbarous races
ornaments, dress, and external appearance are highly valued; and
that the men judge of the beauty of their women by widely different
...
《The Descent of Man, and Selection in Relation to Sex》Chapter XIX Secondary Sexual Characters of man
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
WITH mankind the differences between the sexes are greater than in
most of the Quadrumana, but not so great as in some, for instance, the
mandrill. Man on an average is considerably taller, heavie...
《The Descent of Man, and Selection in Relation to Sex》Chapter XVIII Secondary Sexual Characters of Mammals, continued
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
QUADRUPEDS use their voices for various purposes, as a signal of
danger, as a call from one member of a troop to another, or from the
mother to her lost offspring, or from the latter for protectio...
《The Descent of Man, and Selection in Relation to Sex》Chapter XVII Secondary Sexual Characters of Mammals
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
WITH mammals the male appears to win the female much more through
the law of battle than through the display of his charms. The most
timid animals, not provided with any special weapons for fighti...
《The Descent of Man, and Selection in Relation to Sex》Chapter XVI Birds, concluded
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
WE must now consider the transmission of characters, as limited by
age, in reference to sexual selection. The truth and importance of the
principle of inheritance at corresponding ages need not he...
《The Descent of Man, and Selection in Relation to Sex》Chapter XV Birds, continued
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
WE have in this chapter to consider why the females of many birds
have not acquired the same ornaments as the male; and why, on the
other hand, both sexes of many other birds are equally, or almos...
《The Descent of Man, and Selection in Relation to Sex》Chapter XIV Birds, continued
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
WHEN the sexes differ in beauty or in the power of singing, or in
producing what I have called instrumental music, it is almost
invariably the male who surpasses the female. These qualities, as we...
《The Descent of Man, and Selection in Relation to Sex》Chapter XIII Secondary Sexual Characters of Birds
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
SECONDARY sexual characters are more diversified and conspicuous
in birds, though not perhaps entailing more important changes of
structure, than in any other class of animals. I shall, therefore,...
《The Descent of Man, and Selection in Relation to Sex》Chapter XII Secondary Sexual Characters of Fishes
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
WE have now arrived at the great sub-kingdom of the Vertebrata,
and will commence with the lowest class, that of fishes. The males
of plagiostomous fishes (sharks, rays) and of chimaeroid fishes a...
《The Descent of Man, and Selection in Relation to Sex》Chapter XI Insects, continued. Order Lepidoptera
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
IN this great Order the most interesting points for us are the
differences in colour between the sexes of the same species, and
between the distinct species of the same genus. Nearly the whole of
...
《The Descent of Man, and Selection in Relation to Sex》Chapter X Secondary Sexual Characters of Insects
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
IN the immense class of insects the sexes sometimes differ in
their locomotive-organs, and often in their sense-organs, as in the
pectinated and beautifully plumose antennae of the males of many
...
《The Descent of Man, and Selection in Relation to Sex》Chapter IX Secondary Sexual Characters in the Lower Classes of the Animal Kingdom
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
WITH animals belonging to the lower classes, the two sexes are not
rarely united in the same individual, and therefore secondary sexual
characters cannot be developed. In many cases where the sexe...
《The Descent of Man, and Selection in Relation to Sex》Chapter VIII Principles of Sexual Selection
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
WITH animals which have their sexes separated, the males necessarily
differ from the females in their organs of reproduction; and these are
the primary sexual characters. But the sexes often diffe...
《The Descent of Man, and Selection in Relation to Sex》Chapter VII On the Races of Man
The Descent of Man, and Selection in Relation to Sex 人类由来与性选择 查尔斯·达尔文 Charles Darwin
2008/12/22
IT is not my intention here to describe the several so-called races of men; but I am about to enquire what is the value of the differences between them under a classificatory point of view, and how th...