The Origins of Species: By Means of Natural Selection or the Preservation of Favored Races in the Struggle for Life (World's Famous Books)

xxi, 538 pp. Green boards with gilt title and decor on spine. Top page ridge gilt. Two volumes in one. Illustrated. CONTENTS: Introduction; Variation Under Domestication; Variation Under Nature; Struggle for Existence; Natural Selection, or the Survival of the Fittest; Laws of Variation; Difficulties of the Theory; Miscellaneous Objections to the Theory of Natural Selection; Instinct; Hybridism; On the Imperfection of the Geological Record; On the Geological Succession of Organic Beings; Geographical Distribution; Mutual Affinities of Organic Beings; Morphology--Embryology--Rudimentary Organs; Recapitulation and Conclusion; Glossary of Scientific Terms; Index.