452 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Mr. R. A. Harris read a paper on The analysis and predic¬ 
tion of tides. [An abstract of this paper was published in 
Science, 1896, April 24, new series, vol. iii, no. 69, p. 641.] 
Mr. E. D. Preston read a paper on French, German, and En¬ 
glish systems of shorthand writing. [Not published.] 
453d Meeting. April 25, 1896. 
President Clarke in the chair. 
Thirty-two members and guests present. 
Mr. William Martin Aiken read a paper on The influence 
of climate upon architecture. 
It was illustrated by photographs and maps and discussed by 
Messrs. Adler, Bigelow, Wead, and the author. 
\ 
Mr. Glenn Brown read a paper on Early government archi¬ 
tecture. 
It was illustrated by photographs and discussed by Messrs. 
Clarke, Poindexter, and the author. 
454th Meeting. May 9. 1896. 
President Clarke in the chair. 
Twenty-five members and guests present. 
Announcement was made of the election to membership of 
George Miller Sternberg. 
Mr. Rene de Saussure read a paper on The motion of solid 
bodies. 
It was discussed by Mr. Kummell and the author. 
Mr. J. Elfreth Watkins read a paper entitled A chapter in 
the early history of transportation in America. 
