CONTENTS 

 PART I 



BEHAVIOR OF UNICELLULAR ORGANISMS 



CHAPTER I 

 BEHAVIOR OF AMCEBA 



PAGE 



1. Structure and Movements of Amoeba i 



2. Reactions of Amoeba to Stimuli 6 



A. Reaction to Contact with Solids 6 



B. Reactions to Chemicals, Heat, Light, and Electricity 9 



C. How Amoeba gets Food 12 



3. Features of General Significance in the Behavior of Amoeba 19 



Literature 25 



CHAPTER II 

 BEHAVIOR OF BACTERIA 



1. Structure and Movements ...........26 



2. Reactions to Stimuli 27 



3. General Features in the Behavior of Bacteria 37 



Literature 40 



CHAPTER III 



BEHAVIOR OF INFUSORIA; PARAMECIUM 

 Structure; Movements; Method of Reaction to Stimuli 



Introductory .............. 41 



1. Behavior of Paramecium; Structure 41 



2. Movements . . . . . . . . . . ... . .44 



3. Adaptiveness of the Movements 45 



4. Reactions to Stimuli ............47 



5. "Positive Reactions" 54 



Literature 58 



CHAPTER IV 



BEHAVIOR OF PARAMECIUM (CONTINUED) 

 Special Features of the Reactions to a Number of Different Classes of Stimuli 



1. Reaction to Mechanical Stimuli 59 



2. Reactions to Chemical Stimuli 62 



be 



