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PHILOSOPHICAL SOCIETY OF WASHINGTON. 
525th Meeting. December 8, 1900. 
By the courtesy of the authorities of Columbian University, 
the meeting was held in the lecture-room of that institution. 
Mr. George M. Sternberg, President of the Society, deliv¬ 
ered the annual address; subject, Malaria. 
526th Meeting. December 22, 1900. 
THIRTIETH ANNUAL MEETING. 
President Sternberg in the chair. 
Fifteen members present. 
The minutes of the Twenty-ninth Annual Meeting were read 
and approved. 
The Annual Report of the Secretaries was read and ordered 
placed on file. 
THE ANNUAL REPORT OF THE SECRETARIES FOR 1900. 
Washington, D. C., December 22, 1900. 
To the Philosophical Society of Washington: 
The Secretaries have the honor to submit the following annual 
report: 
The number of active members at date of last report was 114. 
Of this number 2 have died, 5 have resigned, and 2 were trans¬ 
ferred to the absent list, making a total loss of 9. The gain has 
been: By election of new members, 6; by transfer from the ab¬ 
sent list, T; making a net loss of 2. The present active member¬ 
ship is 112. 
The number on the absent list is 73. 
The list of deceased members is: 
Henry Allen Hazen. John Grubb Parke. 
The new members are: 
James B. Baylor. George Rochford Stetson. 
Herman S. Davis. John W. Froley. 
Reginald A. Fessenden. Arthur L. Day. 
