THE UNIVERSITY OF CHICAGO 



FODNDKD BY JOHN D. EOCKEFELLEE 



INVESTIGATIONS EEPEESENTING 

 THE DEPARTMENTS 



ZOOLOGY ANATOMY PHYSIOLOGY NEUROLOGY 

 BOTANY PATHOLOGY BACTERIOLOGY 



THE DECENNIAL PUBLICATIONS 

 FIRST SERIES VOLUME X 



CHICAGO 



THE UNIVERSITY OP CHICAGO PRESS 



1903 



