iEC>it^ttal Staff 



E. G. CoNKUiN — Princeton University. 



Jacques X^O'em— The Rockefeller Institute for Medical Research 



George T. Moore— J77^<^ Missotiri Bota?iic Garden. 



T. H. Morgan — ^Columbia University. 



W. M. Wheeler — Harvard University. 



E. B. Wilson — 'Columbia University. 



/IDanagino BMtor 



Frank R. Lillie — The University oj Chicago. 



All communications and manuscripts should be sent to the Managing 

 Editor, the University of Chicago, Sept. 15th to June 15th, or Woods 

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

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

 Lancaster, Pa. 



