RECORDS OF MEETINGS. 591 



The Ratio of the Calorie at 73° to that at 20°, Arnold Romberg, 

 Vol. 57, No. 15. 



Vision and the Technique of Art, A. Ames, Jr., C. A. Proctor and 

 Blanche Ames, Vol. 58, No. 1. 



The Compressibility of Thirty Metals as a Function of Pressure and 

 Temperature, P. W. Bridgman, Vol. 58, No. 5. 



The following paper has been approved for publication : The Effect 

 of Pressure on Optical Absorption, Frances G. Wick. 



A sum not to exceed $478 was granted toward the expense of pub- 

 lication of a paper by A. Ames, Jr., C. A. Proctor and Blanche Ames, 

 on Vision and the Technique of Art. 



Theodore Lyman, Chairman. 

 May 9, 1923. 



Report of the C. M. Warren Committee. 



The Committee had at its disposal at the beginning of the fiscal 

 year 1922-23, $3,368.47. During the year ending March 31, 1923, 

 grants to the amount of $1,250.00 were made. The balance' on 

 that date was $2,118.47. 



At a meeting of the Committee held April 14, 1923, it was voted to 

 request the Treasurer to invest $1,000.00 of the accumulated income 

 and to add this amount to the principal of the fund. 



Grants have been made during the year ending April 1, 1923, as 

 follows : 



May 4, 1922. — To Prof. Charles James, New Hampshire College, 

 $500.00 to be applied toward an investigation of the Ytterbium earths. 



May 4, 1922. — To Prof. Charles A. Kraus, Clark University, 

 $500.00 to continue his work on the constitution of metallic sub- 

 stances. 



Dec. 8, 1922. — To Prof. James B. Conant, Harvard University, 

 $250.00 to be used in a research on the electrochemical study of the 

 reversible reduction of organic compounds. 



At a meeting of the Committee held April 9, 1923, the following 

 grants were made: 



To Prof. David E. Worrall of Tufts College, $250.00 to aid a research 

 on the chemistry of mustard oils. 



