Editorial Statr 



E. G. CoNKLiN- — Princeton University. 



jAcquES LoEB — The Rockefeller Institute for Medical Research 



Georgp: T. Moore — The Missouri JBota^iic Garden. 



T. H. Morgan — Columbia University. 



W, M. Wheeler — Harvard University. 



E. B. Wilson — Columbia University. 



/iDanaing BMtot 



Frank R. Lillie— 77^^ University oj Chicago. 



All communications and manuscripts should he sent to the M;inag;^ing 

 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. 



