Evolution : its nature, its evidences, and its relation to religious thought / by Joseph Le Conte.

  • Joseph LeConte
Date:
1892
Catalogue details

Licence: Public Domain Mark

Credit: Evolution : its nature, its evidences, and its relation to religious thought / by Joseph Le Conte. Source: Wellcome Collection.

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    COJ^TE^TTS. PAET I. WHAT IS EVOLUTIONf CHAPTER 1. ITS SCOPE AND DEFINITION. A type of evolution—Development of an egg ..... .3 Universality of evolution—Pervades all nature and concerns all de- partments of thought—One half of all science—Illustrated (1) by human body, (2) by solar system, (3) by society, (4) by earth, (5) by organic kingdom—The term evolution usually, but not rightly, confined to this last 3 Definition of evolution—/. Progressive change—Shown in the animal body, or the Ontogenic series—In the animal scale, or the Taxo- nomic series—In the geological, or Phylogcnic series—The three series similar, though not identical ...... 8 II. Change according to certain laios—Three laws of succession of organic forms 11 (a) Law of differentiation—^Early forms are generalized; afterwards separated into specialized forms—Illustrated by fishes, by birds —Whole process of differentiation illustrated by growth and branching of a tree 11 (6) Laio of progress of the whole—Mistake of confounding evolution with upward progress—How far true, and how far false—Illus- trated by branching tree—Examples of this mistake in the popular mind—In the scientific mind 13 (c) Law of cyclical movement—Shown in geological history—Age of moUusks, fishes, reptiles, mammals, man—Illustrated again by
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