CONTENTS 



PART I. BOTANY 



; 



CHAPTER 



I. Introduction ........ 



II. Introduotohy Experiments in Chemistry and Physics 



III. Protoplasm and the Cell 



IV. Flowers .... 

 V. Fruits . . . , 



VI. Seeds and Seedlings . 



VII. Roots and their Work 



VIII. Buds and Stems . 



IX. Leaves and their Functions 



X. Ecology .... 



XI. Flowerless Plants 



PAGE 



11 



15 



23 



31 



50 



66 



82 



98 



123 



142 



150 



PART II. ZOOLOGY 



XII. Protozoa .... 



XIII. Metazoa . . . 



XIV. Sponges .... 



XV. CCELENTERATES 



XVI. The Starfish and its Allies 



XVIL Worms ..... 



XVIII. Crustaceans 



XIX. Insects 



XX. Spiders and Myriapods 



XXI. MOLLUSKS 



XXII. Fishes 



XXIII. Amphibians . 



XXIV. Reptiles 

 XXV, Birds .... 



XXVL Mammals 



9 



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 292 

 308 



