[Annals N. Y. Acad. Sci., XII., No. 15, pp. 617 to 690, June 2, 1900.] 



RECORDS OF MEETINGS 



OF THE 



NEW YORK ACADEMY OF SCIENCES. 

 January, 1899, to December, 1899. 



Richard E. Dodge, Recording Secretary. 



BUSINESS MEETING. 



January 2, 1899. 



Academy met at 8 P. M., Vice-President Kemp presiding. 

 The minutes of the last business meeting were read and ap- 

 proved. 



The following candidate for resident membership, approved 

 by the Council, was duly elected : 



Samuel Thorne, 43 Cedar St., New York, N. Y. 

 There being no further business, the Academy adjourned. 



Richard E. Dodge, 

 Recording Secretary. 



SECTION OF ASTRONOMY AND PHYSICS. 



/ January 2, 1899. 



Section met at 8 P. M., Mr. P. H. Dudley presiding. The 

 minutes of the last meeting of Section were read and approved. 

 The following program was then offered : 



Wm. Hallock, A Model to Illustrate Kirchhoff's Prin- 

 ciple. 



F. L. Tufts, On the Absorption and Reflection of Sound 

 Waves by Porous Materials. 



(619) 



