CONTENTS 



PAGE 



CHAPTER I 

 INTRODUCTION i 



CHAPTER II 



THE FROG RAN A TEMPORAR1A 



Introduction General Internal Structure Skeletal System Muscular System 



and Integument . . . . . . . , . .12 



CHAPTER III 



THE FROG RANA TEMPORAR1A (continued 

 Alimentary System Respiratory System Circulatory System Urogenital 



System ............ 46 



CHAPTER IV 

 THE FROG RANA TEMPORARIA (continued) 



Nervous System and Sense Organs Ductless Glands Life History 'Animals 



and Plants Classification 76 



CHAPTER V 



THE PROTOZOA 



Free-living Protozoa, Amoeba and Paranuxcium Parasitic Protozoa, Monocystis 



and Plasmodium . . . . . . . . . .118 



CHAPTER VI 



THE COZLENTERATA 

 A Simple Ccelenterate, Hydra A Compound Ccelenterate, Obelia . . .148 



CHAPTER VII 



THE CCELOMATA INVERTEBRATA 



The Earthworm, Lumbricus sp., a Free-living Annelid Tcenia solium, a 



parasitic flat worm . . , . . . . . . 170 



