xiv CONTENTS 



CHAPTER XXI 

 Behavior as Regulation, and Regulation in Other Fields 



PAGE 



1. Introductory 338 



2. Regulation in Behavior 338 



A. Factors in Regulation in the Behavior of Lower Organisms . . . 339 



3. Regulation in Other Fields 345 



4. Summary 349 



BIBLIOGRAPHY 35" 



INDEX 359 



