RECORDS OF MEETINGS. 401 



the Hall olVcct and allied phenomena in rare metals and tlicir 

 alloys (additional) SlOO 



To Professor .luliiis Stieglitz in aid of the publication of 

 Marie's tables of constants (additional) S2.')0 



To Professor A. G. Webster in aid of his researches on phro- 

 dynamics and practical interior ballistics $500 



ISIay 14, 1919. To Professor P. \V. Bridgman in aid of 

 his research on the effect of temperature and pressure on the 

 physical properties of materials, particularly their thermal con- 

 ductivity (additional) $400 



To Professor Horace L. Howes in aid of his research on the 

 experimental study of the effect of temperature on the lumines- 

 cence and selective radiation of the rare earths $500 



May 14, 1919, it was voted: To publish, as a Memoir of the Acad- 

 emy by an appropriation from the income of the Rumford Fund not 

 exceeding $1,000, the results of measurements of the light of faint 

 stars made at several Observatories possessing large telescopes by 

 the use of the form of photometer devised for that purpose by Pro- 

 fessor E. C. Pickering and constructed by means of a grant from the 

 Rumford Committee. 



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, \V. W. Campbell, A. L. Clark, H. Crew, F. 

 Daniels, A. L. Foley, E. B. Frost, R. C. Gibbs, H. C. Hayes, H. P. 

 Hollnagel, L. R. Ingersoll, N. A. Kent, F. E. Kester, L. V. King, C. A. 

 Kraus, E. Kremers, C. E. Mendenhall, R. A. Millikan, R. S. Minor, 

 E. L. Nichols (finished), C. L. Norton, F. Palmer, Jr., J. A. Parkhurst, 

 H. M. Randall, T. W. Richards, F. K. Richtmyer, G. W. Ritchey, 

 M. A. Rosanoff (finished), J. Stieglitz, A. St. John (research discon- 

 tinued), F. A. Saunders, W. O. Sawtelle, A. W. Smith, B. J. Spence, 

 L. T. E. Thompson, O. Tugman, F. W. Very, A. G. Webster, D. L. 

 W'ebster, R. ^\. Wood. 



No papers have been published by the Academy at the expense of 

 the Rumford Fund during the present year. 



The various reports from grantees received last year and the present 

 year indicate that the exigencies of the war have made such demands 



