Table of Contents

*Frontmatter, pg. i*Contents VOL I, pg. v*Introduction, pg. vii*Notes and References, pg. xxxvi*Contents, pg. xlv*Introduction, pg. 1*Chapter I. The Evidence of the Descent of Man From Some Lower Form, pg. 9*Chapter II. Comparison of the Mental Powers of Man and the Lower Animals, pg. 34*Chapter III. Comparison of the Mental Powers of Man and the Lower Animals-Continued, pg. 70*Chapter IV. On the Manner of Development of Man From Some Lower Form, pg. 107*Chapter V. On the Development of the Intellectual and Moral Faculties During Primeval and Civilised Times, pg. 158*Chapter VI. On the Affinities and Genealogy of Man, pg. 185*Chapter VII. On the Races of Man, pg. 214*Chapter VIII. Principles of Sexual Selection, pg. 253*Chapter IX. Secondary Sexual Characters in the Lower Classes of the Animal Kingdom., pg. 321*Chapter X. Secondary Sexual Characters of Insects, pg. 341*Chapter XI. Insects, Continued.-Order Lepidoptera, pg. 386*Front Matter 2, pg. I*Errata, pg. II*Contents VOL. II., pg. III*Postscript, pg. VII*Chapter XII. Secondary Sexual Characters of Fishes, Amphibians, and Reptiles, pg. 1*Chapter XIII. Secondary Sexual Characters of Birds, pg. 38*Chapter XIV. Birds-Continued, pg. 99*Chapter XV. Birds-Continued, pg. 154*Chapter XVI. Birds-Concluded, pg. 183*Chapter XVII. Secondary Sexual Characters Of Mammals, pg. 239*Chapter XVIII. Secondary. Sexual Characters of Mammals- Continued, pg. 274*Chapter XIX. Secondary Sexual Characters of Man, pg. 316*Chapter XX. Secondary Sexual Characters of Man-Continued, pg. 355*Chapter XXI. General Summary and Conclusion, pg. 385*Index, pg. 406*Table of the Principal Additions and Corrections to the Editions of 1874, pg. 477

About the Author

John Tyler Bonner and Robert M. May are Professors of Biology at Princeton University.

Reviews

"[This work] is second only in importance to the Origin of Species ... among Darwin's works and the book in which he uses the word evolution for the first time."--Natural History