Book
The Principles of Biology, Volume 1
52 chapters, about 191,000 words. The text is in the public domain in the United States and comes from Project Gutenberg.
Chapters
- TO THE REVISED AND ENLARGED EDITION. 900 words
- ORGANIC MATTER. 5,900 words
- THE ACTIONS OF FORCES ON ORGANIC MATTER. 3,800 words
- THE RE-ACTIONS OF ORGANIC MATTER ON FORCES. 4,300 words
- METABOLISM. 4,300 words
- PROXIMATE CONCEPTION OF LIFE. 3,400 words
- THE CORRESPONDENCE BETWEEN LIFE AND ITS CIRCUMSTANCES. 1,900 words
- CHAPTER VI. 2,300 words
- THE DYNAMIC ELEMENT IN LIFE. 3,300 words
- THE SCOPE OF BIOLOGY. 1,700 words
- GROWTH. 8,100 words
- DEVELOPMENT.[19] 5,500 words
- STRUCTURE.[21] 4,900 words
- FUNCTION. 4,100 words
- WASTE AND REPAIR. 3,400 words
- ADAPTATION. 4,600 words
- INDIVIDUALITY. 2,000 words
- CELL-LIFE AND CELL-MULTIPLICATION. 4,300 words
- GENESIS. 8,300 words
- HEREDITY. 5,300 words
- VARIATION. 4,100 words
- GENESIS, HEREDITY, AND VARIATION. 4,600 words
- _CONCLUDED_. 4,800 words
- CLASSIFICATION. 1,400 words
- INVERTEBRATA. 100 words
- VERTEBRATA. 200 words
- PROTOZOA 2,300 words
- DISTRIBUTION. 4,800 words
- PRELIMINARY. 100 words
- GENERAL ASPECTS OF THE SPECIAL-CREATION-HYPOTHESIS.[45] 3,400 words
- GENERAL ASPECTS OF THE EVOLUTION-HYPOTHESIS. 2,000 words
- THE ARGUMENTS FROM CLASSIFICATION. 1,400 words
- THE ARGUMENTS FROM EMBRYOLOGY. 4,400 words
- THE ARGUMENTS FROM MORPHOLOGY. 1,800 words
- THE ARGUMENTS FROM DISTRIBUTION. 3,800 words
- HOW IS ORGANIC EVOLUTION CAUSED? 1,700 words
- EXTERNAL FACTORS. 1,500 words
- INTERNAL FACTORS. 2,900 words
- DIRECT EQUILIBRATION. 2,200 words
- INDIRECT EQUILIBRATION. 5,400 words
- THE CO-OPERATION OF THE FACTORS. 1,200 words
- THE CONVERGENCE OF THE EVIDENCES. 1,000 words
- RECENT CRITICISMS AND HYPOTHESES. 4,300 words
- THE GENERAL LAW OF ANIMAL FERTILITY. 7,900 words
- I. 12,700 words
- II. 6,700 words
- III. 7,800 words
- IV. 7,300 words
- APPENDIX C. 1,500 words
- SIR, 1,600 words
- {C(CH)(CH_{3})H} N(CH_{3})(CH_{3})H. {CO(HO) } 3,000 words
- NOTES 1,200 words