PROCEEDINGS. 
533 
Mr. F. L. 0. Wadsworth read a paper on Fixed spectroscopic 
trains. [Published in the London, Edinburgh, and Dublin Phil¬ 
osophical Magazine. 8°, London, 1894, Oct., 5th series, vol. 38, 
no. 233, pp. 337-351; republished in Astronomy and Astro- 
Physics. 8°, Northfield, 1894, Dec., vol. 13, no. 10, pp. 835-849.] 
Mr. I. M. Cline read a paper entitled Summer hot winds on 
the Great Plains. [Published in full in this volume, pp. 309-348; 
also reprinted in part in the American Meteorological Journal. 
8°, Boston, Ginn & Co., 1894, Sept., vol. 11, no. 5, pp. 175-186.] 
This was discussed by Messrs. Farquhar and Harrington. 
Mr. A. B. Johnson read a paper entitled The cruise of the 
Clover ; further observations on the aberrations of audibility of 
fog signals. 
This was discussed by Messrs. McCormick, Wadsworth, and 
Johnson. 
415th Meeting. February 3, 1894, 
President Fletcher in the chair. 
Forty-five members present. 
Announcement was made that C. Hart Merriam had been 
appointed an additional member of the Committee on Com¬ 
munications ; also that the following persons had been named 
as delegates to the Joint Commission: The President, ex officio; 
Marcus Baker and Bernard R. Green. 
Mr. Fremont Morse read a paper on Recent astronomical 
work in Alaska. [Not published.] 
This was discussed by Messrs. Harkness, Farquhar, and 
Pratt. 
Mr. Marcus Baker read a paper on Relief maps. [Published 
in this volume, pp. 349-368.] 
After a recess to allow examination of models, it was discussed 
by Messrs. Farquhar, Ogden* Court, Doolittle, Kummell, 
Howell, Green, and Baker. 
70—Bull. Phil. Soc., Wash., Vol. 12. 
