526 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
411th Meeting. December 9, 1893. 
Vice-president Fletcher in the chair. 
Twenty-five members present. 
Mr. C. A. White made a communication on The cruise of the 
Clover. Results—echoes of fog signals. [Published in Science. 
4°, New York, 1894, vol. 23, pp. 56-62; also translated into 
Spanish and published in full in Revista general de marina. 
8°, Madrid, 1894, Julio, tomo 35, pp. 17-25.] 
Remarks were made by Messrs. Welling, We ad, Mendenhall, 
Abbe, H. Farquhar, Harrington, Johnson, and Fletcher. 
Mr. F. H. Bigelow read a paper on The influence of solar polar 
radiation upon temperatures in the United States. [Published 
in Astronomy and Astro-Physics. 8°, Northfield, 1894, Jan., 
vol. 13, no. 1, pp. 25-40.] 
412th Meeting. December 23, 1893. 
TWENTY-THIRD ANNUAL MEETING. 
President Goode in the chair. 
Thirty-one members present. 
The annual report of the Secretaries was presented and ac¬ 
cepted. The following is the 
ANNUAL REPORT OF THE SECRETARIES FOR 1893. 
Washington, D. C., December 23, 1893. 
To the Philosophical Society of Washington : 
The Secretaries have the honor to submit the following annual 
report for the year 1893, covering, for convenience, from the 
396th meeting, on December 22, 1892, to the 411th meeting, on 
December 8, 1893, inclusive : 
The number of active members of the Society given in the 
last report was 188. During the year 4 have died, 3 have re¬ 
signed, 6 have been dropped, and 3 have been transferred to the 
