THE JOURNAL 



OF 



COMPARATIVE NEUROLOGY 

 AND PSYCHOLOGY 



EDITORIAL Bt)ARD 



Henry H. Donaldson 



Wistar Institute of Anatomy 



C. JuDsoN Herrick 



University of Chicago 



Herbert S. Jennings 



Johns Hopkins University 



J. B. Johnston 



University of Minnesota 



Adolf Meyer 



Pathological Institute, New York 



Oliver S. Strong 



Columbia University 



John B. Watson 



Johns Hopkins University 



Robert M. Yerkes 



Harvard University 



VOLUME XVIII 

 1908 



PHILADELPHIA 

 THE W^ISTAR INSTITUTE OF ANATOMY AND BIOLOGY 



