CONTENTS 

 PART I 



BEHAVIOR OF UNICELLULAR ORGANISMS 



CHAPTER I 



Behavior of Amceba 



PAGE 



1. Structure and Movements of Amceba I 



2. Reactions of Amceba to Stimuli 6 



A. Reaction to Contact with Solids 6 



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



C. How Amceba gets Food . . . . . . . . • .12 



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



Literature 2 5 



CHAPTER II 



Behavior of Bacteria 



1. Structure and Movements 26 



2. Reactions to Stimuli 2 7 



3. General Features in the Behavior of Bacteria 37 



Literature 4° 



CHAPTER III 



Behavior of Infusoria; Paramecium 

 Structure; Movements; Method of Reaction to Stimuli 



Introductory 4 1 



1. Behavior of Paramecium; Structure 4 1 



2. Movements 44 



3. Adaptiveness of the Movements 45 



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



5. " Positive Reactions " 54 



Literature 5^ 



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 



ix 



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