PROCEEDINGS. 
485 
Mr. C. F. Marvin read a paper on Apparatus for making me¬ 
teorological observations by means of kites. 
This was discussed by Messrs. Abbe, Preston, Hayford, 
Wead, and Sternberg. 
495th Meeting. February 4, 1899. 
Past President Eastman in the chair. 
Eighteen members and guests present. 
Mr. J. F. Hayford read an “informal” communication by 
Mr. L. A. Bauer entitled. Is the principal source of the secular 
variation of the earth’s magnetism within or without the earth’s 
crust ? 
This was discussed by Messrs. Wead, Eimbeck, Hayford, 
and Bigelow. 
Mr. J. H. Gore read a paper entitled The beginnings of 
geodesy in the United States. 
Remarks were made thereon by Messrs. Hayford and Eim¬ 
beck. 
Mr. E. D. Preston read a paper entitled Geodetic operations 
in the United States. [Published in Comptes-rendus, Associa¬ 
tion Geodesique internationale, Stuttgart, 1898, Annex B, v. 1; 
also in Science, 1899, March 8, new series, vol. ix, no. 218; pp. 
805-310; also in Petermann’s Geogr. Mittheilungen, 1900, heft iv. 
An abstract was published in the Bulletin of the American 
Mathematical Society, November, 1898, 2d series, vol. v, no. 2.] 
This was discussed by Messrs. W. F. King, of the Canadian 
High Joint Commission, Harkness, Farquhar, Hayford, and 
Eastman. 
496th Meeting. February 13, 1899. 
Past President Eastman in the chair. 
Five members present. 
Mr. Eastman gave an account of The second Washington Star 
catalogue 
