1896. ] NEW YORK ACADEMY OF SCIENCES. 147 
tury.” The address appeared in full in Screncre of May 15,1896. 
About twenty-five persons were present. At the conclusion of 
the lecture the Academy adjourned, after passing a vote of 
thanks to the lecturer. 
REGULAR BUSINESS MEETING. 
April 6th, 1896. 
The Academy met with President SrEVENsoNn in the chair. 
There were about forty persons present. 
The Secretary presented the following nominations from the 
Council, all of whom were elected : 
Henry M. Alexander, Frederick C. Beach, Charles B. Bliss, 
James M. Donald, James Douglass, Scott Foster, A. 8. Frissell, 
F. H. Giddings, Frank J. Gould, Miss Helen Gould, Thomas E. 
Greacen, Wm. F. Havemeyer, Marcellus Hartley, Daniel W. 
Hering, Edmund J. Levine, Emil Leytter, Lawrence A. 
McLouth, Alfred Pell, Henry G. Piffard, J. Dyneley Prince, 
Wm. T. Sabine, Louis Mann Silver, Francis H. Stoddard, James 
Stokes, Th. Weston, Thaddeus R. White, Louis C. Whiton. 
The Section of Astronomy and Physics then organized and 
listened to the following program : 
P. H. Dudley, “The Law of Deflection Sets under Drop 
Tests in different Sections of Steel Rails of uniform physical 
Properties follows the comparative Moments of Inertia of the 
respective Sections.” 
Harold Jacoby, ‘“On the Permanence of the Rutherfurd 
Photographs.” 
Remarks by J. K. Rees, on: (1) ‘The Harvard College Ob- 
servatory photographs of star clusters, planets, variable stars 
and stellar spectra.” (2) ‘‘ Prof. J. E. Keeler’s photographs of 
planetary spectra.” Illustrated by photographs and lantern 
slides. 
M. I. Pupin, “ Communication of some new Results of Experi- 
