TABLE OF CONTENTS 



PREFACE TO THE FIRST EDITION 

 PREFACE TO THE SECOND EDITION . 

 LIST OF ILLUSTRATIONS 



AMCEBA .... 



H^MATOCOCCUS 



HETEROMITA 



EUGLENA 



PROTOMYXA . . 

 THE MYCETOZOA 



LESSON I. 



LESSON II. 



LESSON III. 



LESSON IV. 



LESSON V. 



PAGE 

 V 



44 



49 



52 



