CONTENTS 



PAGE 



THE INFLUENCE OF ENVIRONMENT AND 

 THE ACTION OF AUXETICS AND K.IN- 

 ETICS ON AMCEBA 15 



II 



EXPERIMENTS ON THE CAUSES OF ENCYST- 



MENT AND ExCYSTATION OF AMCEBA . 46 



III 



THE PREPARATION OF " PURE MIXED 



CULTURES" OF AMCEBA ... 77 



IV 



A PARASITE OF AMCEBA . . . .102 



BIBLIOGRAPHY 107 



INDEX Ill 



11 



39756 



