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THE

ORIGIN OF SPECIES

BY MEANS OF NATURAL SELECTION

OR THE PRESERVATION OF FAVORED RACES IN

THE STRUGGLE FOR LIFE

Robert BY
CHARLES DARWIN, M. A., LL.D., F. R. S.

WITH ADDITIONS AND CORRECTIONS

FROM SIXTH AND LAST ENGLISH EDITION

IN TWO VOLUMES

VOLUME II

NEW YORK
D. APPLETON AND COMPANY

1896

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CHAPTER XIV.

MUTUAL AFFINITIES OF ORGANIC BEINGS : MORPHOLOGY :

EMBRYOLOGY : RUDIMENTARY ORGANS.

CLASSIFICATION, groups subordinate to groups_Natural system,

Rules and difficulties in classification, explained on the theory
of descent with modification Classification of varieties-
Descent always used in classification-Analogical or adaptive
characters—Affinities, general, complex, and radiating-Ex-
tinction separates and defines groups_MORPHOLOGY, between
members of the same class, between parts of the same
individual—EMBRYOLOGY, laws of, explained by variations not
supervening at any early age, and being inherited at a
corresponding age-RUDIMENTARY ORGANS; their origin ex-
plained—Summary

Page 202

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CHAPTER XV.

RECAPITULATION AND CONCLUSION.

Recapitulation of the objections to the theory of Natural Selection

-Recapitulation of the general and special circumstances in
its favour-Causes of the general belief in the immutability of
spocies—How far the theory of Natural Selection may be
extended-Effects of its adoption on the study of Natural
History-Concluding remarks

267

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