TABLE OF CONTENTS 



PART I 

 ANIMAL BIOLOGY 



PAGE 



Introduction 1 



CHAPTER 



I. The Grasshopper. A Representative Animal . . .11 



II. Other Common Insects 24 



III. The Simplest Animals — Protozoa 45 



IV. The Simpler Metazoa 55 



V. Ccelenterates, Hydra-like Animals 63 



VI. The Starfish Family. (Optional) 71 



VII. The Worm Group 76 



VIII. Crustaceans and Related Forms 86 



IX. The Mollusks 94 



X. Fishes 103 



XI. Amphibians 113 



XII. Reptiles 129 



XIII. Birds 136 



XIV. Mammals 150 



PART II 



HUMAN BIOLOGY 



XV. Life Processes of Man 161 



XVI. The Skeleton and Muscles . . . . . . .184 



XVII. Respiration, Blood, and Excretion 192 



XVIII. The Nervous System of Man . ... 209 



XIX. The Biology of Disease .... ... 232 



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