CONTENTS. 



The Behavior of Paramecium. Additional Features and Gen- 

 eral Relations. By H. S. Jennings, Assistant Professor 

 of Zoology in the University of Pennsylvania. With 17 

 figures in the text. . . . . . . - 441 



Editorial . . . . . . . . , .511 



Clarence Luther Herrick. By H. Heath Bawden. . . 515 

 Bibliography of C. L. Herrick 529 



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