OFFICERS OF THE ACADEMY 



President: Carl L. Alsberg, Bureau c^Chemistry. 

 Corresponding Secretary: Robert B. Sosman, Geophysical Laboratory. 

 Recording Secretary: William R. Maxon, National Museum. 

 Treasurer: R. L. Faris, Coast and Geodetic Survey. 



ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES^ 



Thursday, May 6, to Saturday, May 8. The American Pharmaceutical 

 Association. 



Saturday, May 8. The Philosophical Society, at the Cosmos Club, at 

 8.15 p.m. Program: 



F. B. Silsbee: Physics of the high-tension magneto. 



C. Nusbaum: The magnetic reluctivity relationship as a criterion of the structure of 

 an eutectoid carbon steel. 



Wednesday, May 12. The Geological Society, at the Cosmos Club, at 

 8.00 p.m. Program: 



Lithology of the Bend Series and contiguous formations of north-central Texas: 



M. I. Goldman: Lithology. 



P. V. Roundy: Micro-Paleontology. 



Thursday, May 13. The Chemical Society, at the Cosmos Club, at 

 8.00 p.m. 



Thursday, May 20. The Academy, at the Cosmos Club, at 8.15 p.m. 

 Program : 



E. B. Rosa: The economic value of scientific research by the Government. 



>Tbe programs of the meetings of the affiliated societies ^11 appear on this page if sent to tb« 

 Editors by the thirteenth and twenty-seventh of the month. 



