Vol. XVIII. April, igio. No. 5. 



BIOLOGICAL BULLETIN 



I. TRUSTEES 



AUGUST, 1909 

 EX OFFICIO 



F. R. LiLLiE, Director, University of Chicago. 



Oilman A. Drew, Assistant Director, University of Maine. 



D. Blakely Hoar, Treasurer, 161 Devonshire Street, Boston, Mass. 

 Thos. H. Montgomery, Jr., Clerk of the Corporation, University of 



Pennsylvania. 



TO SERVE UNTIL I913 



Nathaniel L. BRITTON..2965 Decatur Avenue, Bronx, New York 



City. 



S. F. Clarke WilHams College, Williamstown, Mass. 



Charles Coolidge Ames Building, Boston, Mass. 



C. R. Crane 2559 Michigan Boulevard, Chicago, 111., 



President of the Board. 



Alfred G. Mayer Carnegie Institution, Washington, D. C. 



T. H. Morgan Columbia University. 



Erwin F. Smith United States Department of Agriculture, 



Washington, D. C. 



E. B. Wilson Columbia University. 



to serve until 1912 



M. J. Greenman Wistar Institute of Anatomy and Biology, 



Philadelphia. 



C. W. Hargitt Syracuse University. 



C. A. Herter University and Bellevue Medical School, 



New York City. 



H. S. Jennings Johns Hopkins University. 



George Lefevre University of Missouri. 



William Libbey Princeton University. 



A. P. Mathews University of Chicago. 



G. H. Parker Harvard University. 



213 



