ARTICLES OF INCORPORATION. 
Whereas, the Philosophical Society of Washington was organ¬ 
ized in the city of Washington, District of Columbia, for scien¬ 
tific purposes, March 13, 1871, as an unincorporated association 
and has so continued to the present time, and is now desirous of 
becoming incorporated; now, therefore, 
We, the undersigned, founders and members of said unincor¬ 
porated association, and pursuant to instructions therefrom, 
being citizens of the United States and a majority of whom are 
citizens of the District of Columbia, do hereby associate our¬ 
selves as a body corporate, for the above-mentioned purposes, 
under the general incorporation acts of the Congress of the 
United States enacted for the District of Columbia, and we do 
hereby certify, in pursuance of said acts, as follows: 
First, The name or title by which such society shall be known 
in law is the Philosophical Society of Washington. 
Second, The term for which such society is organized is nine 
hundred and ninety-nine years. 
Third, The particular business and objects of the society are 
the promotion of science, the advancement of learning, and the 
free exchange of views among its members on scientific subjects. 
Fourth, The number of its managers for the first year of its 
existence shall be twenty-five. 
In testimony whereof we have hereto set our names and affixed 
our seals, at the city of Washington, in the District of Columbia, 
on the fifteenth day of May, 1901. 
Wm. H. Dale, Founder. [l. s.] 
Theo. Gill, Founder. [l. s.] 
Simon Newcomb, Founder, [l. s.] 
Cyrus Adler. 
[L.S.] 
Charles F. Marvin. 
[L.S.] 
Marcus Baker. 
[L. s.] 
H. M. Paul.’ 
[L. s.] 
Louis A. Bauer. 
[L. S.] 
J. W. Powell. 
[L. S.] 
Frank H. Bigelow. 
[L. S.] 
Richard Rathbun. 
[L.S.] 
F. W. Clarke. 
[L. s.] 
Geo. M. Sternberg. 
[L. 8.] 
Wm. A. De Caindry. 
[l. 8.] 
Otto H. Tittmann. 
[L. S.] 
Robert Fletcher. 
[L. S.] 
F. W. True. 
[L. s.] 
G. K. Gilbert. 
[L. S.] 
Chas. D. Walcott. 
[L. S.] 
James H. Gore. 
[L. S.] 
J. E. Watkins. 
[L. S.] 
John G. Hagen. 
[L. S.] 
Charles K. Wead. 
[L.S.] 
John F. Hayford. 
[L. S.] 
Isaac Winston. 
[L.S.] 
Geo. W. Littlehales. 
[L. S.] 
(Acknowledged before Henry E. Cooper, notary public, May 
18, 1901.) 
(Filed May 20, 1901.) 
48-Bull. Phil. Soc., Wash., Vol. 14. 
(339) 
