x ELEMENTARY BIOLOGY 



PART VI. MAN AND OTHER ORGANISMS 



CHAPTER PAGE 



LXXXV. THE CLASSIFICATION OF ORGANISMS 475 



LXXXVI. KINDS OF PLANTS 477 



LXXXVII. KINDS OF ANIMALS 482 



LXXXVIII. MAN AND HIS RELATIVES . 490 



LXXXIX. MAN'S BRAIN 497 



XC. MAN'S CONQUEST OF NATURE . . 504 



XCI. SCIENCE AND CIVILIZATION 509 



INDEX 515 



