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《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,...
