CHAPTER VI. Geographical Distribution. CHAPTER VII. The Theory of Natural Selection. CHAPTER VIII. Evidences of the Theory of Natural Selection. CHAPTER IX. Criticisms of the Theory of Natural Selection. CHAPTER X. The Theory of Sexual Selection, and Concluding Remarks. APPENDIX TO CHAPTER V. On Objections which have been brought Chicago The Illustrations of this book (with the exception of the Frontispiece and the colored plate facing page 332) are copyrighted under the title “Darwinism Illustrated.” The Open Court Publishing Co. PRESS OF THE Letter from George Romanes to Edward Hageler |