PROCEEDINGS. 
355 
Mr. H. Farquhar spoke informally on The construction of a 
table of n th powers by means of their successive differences. 
Mr. T. J. J. See presented a Report on the progress of theo¬ 
retical astronomy in 1899, read by Mr. Hayeord. [Published 
in this volume, p. 17.] 
The Standing Committees for 1900 were announced as follows: 
Committee on Physical Science. 
G. W. Littlehales, Chairman. 
Cleveland Abbe. 
L. A. Bauer. 
F. H. Bigelow. 
L. J. Briggs. 
R. A. Fessenden. 
R. A. Harris. 
C. F. Marvin. 
L. P. Shidy. 
C. K. Wead. 
Committee on Mathematical Science. 
J. F. Hayeord, Chairman. 
J. G. Hagen. F. G. Radelfinger. 
T. J. J. See. 
Cyrus Adler. 
F. W. Clarke. 
Whitman Cross. 
Committee on General Science. 
W. H. Dale, Chairman. 
H. Friedenwald. 
G. K. Gilbert. 
B. R. Green. 
J. E. Watkins. 
514th Meeting. March 3, 1900. 
Vice-President Rathbun in the chair. 
Twenty-nine persons present. 
Announcement was made of a course of expositions on Photog¬ 
raphy as an aid to research, to be given during the ensuing weeks 
under the auspices of the Washington Academy of Sciences. 
Mr. C. Abbe read a Biographical sketch of Mr. H. A. Hazen. 
[Published in the Bulletin, vol. xiii, p. 401; Monthly Weather 
Review, vol. xxviii, p. 14.] 
49—Bull. Phil. Soc., Wash., Vol. 14. 
