[ CHAPTER 17. — POST-GLACIAL DISLOCATIONS AND FOLDINGS OF CRETACEOUS AND ]
[ CHAPTER 18. — THE GLACIAL PERIOD IN NORTH AMERICA. ]
[ CHAPTER 19. — RECAPITULATION OF GEOLOGICAL PROOFS OF MAN'S ANTIQUITY. ]
[ CHAPTER 20. — THEORIES OF PROGRESSION AND TRANSMUTATION. ]
[ CHAPTER 21. — ON THE ORIGIN OF SPECIES BY VARIATION AND NATURAL ]
[ CHAPTER 22. — OBJECTIONS TO THE HYPOTHESIS OF TRANSMUTATION CONSIDERED. ]
[ CHAPTER 23. — ORIGIN AND DEVELOPMENT OF LANGUAGES AND SPECIES COMPARED ]
[ CHAPTER 24. — BEARING OF THE DOCTRINE OF TRANSMUTATION ON THE ORIGIN OF ]