In 1871, he published The Descent of Man.

在1871年，他发表了人类的由来。

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Many years later, he published his other great work, The Descent of Man.

许多年后，他出版了另一部名著《人类的演化》。

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In "the Descent of Man", he referred to studies showing that among children born out of wedlock there were more girls than boys.

他在《人类起源》中提到过一些研究，显示非婚生子女中女孩多于男孩。

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And Endless Forms at the Fitzwilliam Museum, in Cambridge, considers how Darwin's ideas penetrated the consciousness of the great artists of the era, inspiring visual representations of the struggle for existence, of natural attraction and sexual selection, and the origin and descent of man.

BBC: Friday 11 September: Darwin special

Other texts appearing online for the first time include the first editions of the Journal Of Researches (1839), The Descent Of Man (1871), The Zoology Of The Voyage Of HMS Beagle (1838-43) and the 2nd, 3rd, 4th and 5th editions of the Origin Of Species, the pivotal tome that elucidated his thoughts on evolution.

BBC: NEWS | Science/Nature | Charles Darwin's works go online

Descent Of A Man is the Outlook magazine cover, which says that Mr Singh is piloting a "sinking ship".

BBC: Why is India's PM Manmohan Singh under attack?