EMtorial Staff. 



E. G r Conklin — The University ' of Pennsylvania. 

 Jacques Loeb — TJie University of California. 

 T. H. Morgan — Columbia University. 

 W. M. Wheeler— American Museum of Natural 



History, New York. 

 C. O. Whitman — The University of Chicago. 

 E. B. Wilson — Columbia University. 



/IDanagittQ Efcitor. 



Frank R. Lillie — The University of Chicago. 



All communications and manuscripts should be sent to the Managing 

 Editor, the University of Chicago, Sept. 15th to June 15th, or Wood; 1, 

 H611, Mass., June 15th to Sept. 15th. Subscriptions and other matter 

 should be addressed to the Biological Bulletin, 41 North Queen Street, 

 Lancaster, Pa. 



