Vol. XXXV. September, 1918. No. 3 



BIOLOGICAL BULLETIN 



THE MARINE BIOLOGICAL LABORATORY 



TWENTIETH REPORT; FOR THE YEAR 1917 

 THIRTIETH YEAR 



I. TRUSTEES (AS OF AUGUST, 1916) 129 



II. ACT OF INCORPORATION 130 



III. BY-LAWS OF THE CORPORATION 131 



IV. THE TREASURER'S REPORT 133 



V. THE LIBRARIAN'S REPORT 138 



VI. THE DIRECTOR'S REPORT 141 



Statement 141 



1. The Staff 145 



2. Investigators and Students 147 



3. Tabular View of Attendance 152 



4. Subscribing Institutions 153 



5. Evening Lectures 154 



6. Members of the Corporation ' 155 



I. TRUSTEES 



EX OFFICIO 



FRANK R. LILLIE, Director, The University of Chicago. 

 GILMAN A. DREW, Assistant Director, Marine Biological Laboratory. 

 D. BLAKELY HOAR, Treasurer, 161 Devonshire Street, Boston, Mass. 

 GARY N. CALKINS, Clerk of the Corporation, Columbia. University. 



TO SERVE UNTIL 1920 



H. H. DONALDSON Wistar Institute of Anatomy and Biology. 



M. J. GREENMAN Wistar Institute of Anatomy and Biology. 



C. W. HARGITT Syracuse University. 



H. S. JENNINGS Johns Hopkins University. 



GEORGE LEFEVRE University of Missouri, Secretary of the 



Board. 



A. P. MATHEWS The University of Chicago. 



G. H. PARKER Harvard University. 



HENRY B. WARD University of Illinois. 



129 



