THE JOURNAL 



OF 



EXPERIMENTAL ZOOLOGY 



EDITED BY 



WILLIAM K. BROOKS 



Johns Hopkins Uni-uersity 



WILLIAM E. CASTLE 



Har^-vard Uni--versity 



EDWIN G. CONKLIN 



Uni-Tjersity of Pennsyl'vania 



CHARLES B. DAVENPORT 



Carnegie Institution 

 HERBERT S. JENNINGS 



Uni'-versity of Pennsylvania 



FRANK R. LILLIE 



University of Chicago 



JACQMES LOEB 



Uni'-versity of California 



THOMAS H. MORGAN 



Columbia University 



GEORGE H. PARKER 



Harvard University 



CHARLES O. WHITMAN 



University of Chicago 



EDMUND B. WILSON, Columbia University 



AND 



ROSS G. HARRISON 



Johns Hopkins University 

 Managing Editor 



VOLUME II 



THE JOURNAL OF EXPERIMENTAL ZOOLOGY 

 BALTIMORE 



1905 



