The Origin of Species vol. 2
Vol. 2 of a two volume set. Perhaps Darwin’s greatest book in which he put forward the idea that all species evolve over time from common ancestors by a process which he called “natural selection.” It was based upon the evidence he had accumulated when he traveled on the H.M.S. Beagle for its 2nd voyage to survey South America between 1831-36.
The Origin of Species by means of natural selection or the preservation of favored races in the struggle for life, with additions and corrections from the sixth and last English edition, in two volumes (New York: D. Appleton and Co., 1896). Volume 2.
The text is in the public domain.
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Table of Contents
- CONTENTS OF VOL. II.
- ORIGIN OF SPECIES.
- CHAPTER IX.: HYBRIDISM.
- Laws governing the Sterility of first Crosses and of Hybrids.
- Origin and Causes of the Sterility of first Crosses and of Hybrids.
- Reciprocal Dimorphism and Trimorphism.
- Fertility of Varieties when Crossed, and of their Mongrel Offspring, not universal.
- Hybrids and Mongrels compared, independently of their fertility.
- Summary of Chapter.
- CHAPTER X.: ON THE IMPERFECTION OF THE GEOLOGICAL RECORD.
- On the Lapse of Time, as inferred from the rate of Deposition and extent of Denudation.
- On the Poorness of Palæontological Collections.
- On the Absence of Numerous Intermediate Varieties in any Single Formation.
- On the sudden Appearance of whole Groups of allied Species.
- On the sudden Appearance of Groups of allied Species in the lowest known Fossiliferous Strata.
- CHAPTER XI.: ON THE GEOLOGICAL SUCCESSION OF ORGANIC BEINGS.
- On Extinction.
- On the Forms of Life changing almost simultaneously throughout the World.
- On the Affinities of Extinct Species to each other, and to Living Forms.
- On the State of Development of Ancient compared with Living Forms.
- On the Succession of the same Types within the same Areas, during the later Tertiary periods.
- Summary of the preceding and present Chapters.
- CHAPTER XII.: GEOGRAPHICAL DISTRIBUTION.
- Means of Dispersal.
- Dispersal during the Glacial Period.
- Alternate Glacial Periods in the North and South.
- CHAPTER XIII.: GEOGRAPHICAL DISTRIBUTION—continued.
- Fresh-water Productions.
- On the Inhabitants of Oceanic Islands.
- Absence of Batrachians and Terrestrial Mammals on Oceanic Islands.
- On the Relations of the Inhabitants of Islands to those of the nearest Mainland.
- Summary of the last and present Chapters.
- CHAPTER XIV.: MUTUAL AFFINITIES OF ORGANIC BEINGS: MORPHOLOGY: EMBRYOLOGY: RUDIMENTARY ORGANS.
- Development and Embryology.
- Rudimentary, Atrophied, and Aborted Organs.
- CHAPTER XV.: RECAPITULATION AND CONCLUSION.
- GLOSSARY OF THE PRINCIPAL SCIENTIFIC TERMS USED IN THE PRESENT VOLUME.*