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CONTRIBUTIONS TO

THE THEORY OF

NATURAL SELECTION.

I Series of Essays.

BY

ALFRED RUSSEL WALLACE,

AUTHOR OF
"THE MALAY ARCHIPELAGO," ETC., ETC.

MACMILLAN AND CO.,

London,
AND 63, BLEEKER STREET,

New York.

1870.

(The right of Translation and Reproduction is reserved.]

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Structure or Habits, and therefore the Character which has generally been modified— Exceptional cases confirmatory of the above Explanation-Real or apparent exceptions to the Law stated at p. 240— Various modes of Protection of Animals-Females of some groups require and obtain more Protection than the Males-Conclusion

Pp. 231-263

VIII.-Creation by Law. Laws from which the Origin of Species may be deduced--Mr. Darwin's Metaphors liable to Misconception A case of Orchis-structure explained by Natural Selection--Adaptation brought about by General Laws--Beauty in Nature-How new Forms are produced by Variation and Selection—The Objection that there are Limits to Variation

-Objection to the argument from Classification—The Times on Natural Selection-Intermediate or generalized forms of Extinct Animals an indication of Transmutation or Development Conclusion-A Demonstration of the Origin of Species . Pp. 264_301

IX.-The Development of Human Races under the Law of

Natural Selection. Wide difference of Opinion as to Man's Origin-Outline of the Theory

of Natural Selection-Different effects of Natural Selection on Animals and on Man-Influence of External Nature in the development of the Human Mind—Extinction of Lower Races—The Origin of the Races of Man—The Bearing of these views on the Antiquity of Man-Their Bearing on the Dignity and Supremacy of ManTheir Bearing on the future Development of Man-Summary-Conclusion . . . . . . . . . Pp. 302–331

X.-The Limits of Natural Selection as applied to Man. What Natural Selection can Not do-The Brain of the Savage shown

to be Larger than he Needs it to be—Size of Brain an important Element of Mental Power--Comparison of the Brains of Man and of Anthropoid Apes—Range of intellectual power in Man-Intellect of Savages and of Animals compared—The use of the Hairy Covering of Mammalia—The Constant absence of Hair from certain p:irts of Man's body a remarkable Phenomenon--Savage Man feels the want of this Hairy Covering—Man's Naked Skin could not have been produced by Natural Selection-Feet and Hands of Man considered as

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