496 proceedings of the american academy. 



Report of the Rumford Committee. 



The Rumford Committee respectfully reports as follows: — 



The Committee organized by the election of Charles R. Cross, 



Chairman, and Arthur G. Webster, Secretary. 



During the past year grants in aid of research have been made as 



follows : — 



October 8, 1919, to Professor Frances G. Wick in aid of her 

 researches on the Phosphorescence of Hexagonite and of 

 Fluorite at Ordinary and Low Temperatures 300 



To Professor Robert W. Wood for the continuation of his 

 optical investigations (additional) 350 



December 10, 1919, to Professor Frederick G. Keyes in aid 

 of his research on the Heats of Neutralization at different 

 temperatures 300 



January 14, 1920, to Professor Frederick A. Saunders, in aid 

 of his research on Spectral Lines (additional) 150 



To Professor David L. Webster in aid of his researches on 

 X-Ray Spectra (additional) 350 



March 10, 1920, to Professor Julius Stieglitz in aid of the 

 publication of Marie's Tables of Constants (additional) . . . 250 



April 14, 1920, to Professor Leonard R. Ingersoll in aid of 

 his research on the Polarizing Effect of Diffraction Gratings . 150 



To Professor Harrison M. Randall in aid of his research on 

 the Structure of Spectra in the Infra-Red (additional) . . . 500 



To Professor Arthur G. Webster in aid of his research on a 

 new Method in Pyrodynamics and Practical Interior Ballistics 

 (additional) 500 



May 12, 1920, to Professor Norton A. Kent in aid of his 

 research on Spectral Lines (additional) 200 



Reports of progress in their respective researches have been received 

 from the following persons: — C. G. Abbot, W. M. Baldwin, R. T. 

 Birge, P. W. Bridgman, W. W. Campbell, A. L. Clark, D. F. Corn- 

 stock (research finished), H. Crew, F. Daniels, H. N. Davis (research 

 finished), A. L. Foley (research finished), E. B. Frost, R. C. Gibbs, 

 H. P. Hollnagel, H. L. Howes, L. R. Ingersoll, N. A. Kent, F. E. 



