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First Principles

by Herbert Spencer

3 of 29 · Contents · Download EPUB

The Principles of Biology

Vol. I

Part I. The Data of Biology.—Including those general truths of Physics and Chemistry with which rational Biology must set out.

II. The Inductions of Biology.—A statement of the leading generalizations which Naturalists, Physiologists, and Comparative Anatomists, have established.

III. The Evolution of Life.—Concerning the speculation commonly known as “The Development Hypothesis”—its à priori and à posteriori evidences.

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