REPORT 
OF 
THIRTY-FOURTH ANNUAL MEETING 
OF THE 
Ohio Academy of Science 
The Thirty-fourth Annual Meeting of The Ohio Academy 
of Science was held at the Ohio State University, Columbus, 
April 18 and 19, 1924, under the Presidency of Prof. Kirtley 
F. Mather. One hundred and fourteen members were registered 
as in attendance; fifty-nine new members were elected. 
GENERAL PROGRAM. 
FRIDAY, APRIL 18. 
9:30 A. M.—Business Meeting. 
10:30 A. M.—Reading of Papers in General Session. 
2:00 P. M.—The Invitation Address by Dr. Albert P. Mathews, of the 
University of Cincinnati, on ‘‘ How Shall We Measure 
the Quantity of Life’”’ 
3:00 P. M.—Reading of Papers in Sectional Meetings. 
6:30 P. M.—Annual Banquet, Ohio Union, followed by an address of 
welcome by Dean William McPherson, Ohio State 
University, with response by Dr. Edward L. Rice, 
Ohio Wesleyan University. 
8:00 P. M.—Address by the President of the Academy, Prof. Kirtley 
F. Mather, Denison University, on ‘Geologic Factors 
in Organic Evolution,’ Campbell Hall Auditorium. 
SATURDAY, APRIL 19. 
9:00 A. M.—Adjourned Business Meeting. 
10:30 A. M.—Reading of Papers in General Session and in Botany 
Section. 
2:00 P. M.—Reading of Papers in Sectional Meetings and Demon- 
strations. 
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