460 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
We have examined the vouchers of expenses of Mr. R. Birnie, 
Treasurer, and find them correct. 
We have examined his statement of receipts from dues of 
members, interest on bonds, and sales of publications and find 
said receipts to be in accordance with said statement. 
We have examined the United States and Cosmos Club bonds 
belonging to the Society and find them to be in amount and 
character as reported by the Treasurer, aggregating $5,200. 
Henry Farquhar. 
Walter Hough. 
Mr. J. R. Eastman read a biographical sketch of Mr. William 
Crawford Winlock. [Published in this volume, pp. 431-434.] 
Mr. Ainsworth R. Spofford read a biographical sketch of Mr. 
J. M. Toner. [Published in this volume, pp. 426-430.] 
Mr. L. A. Bauer read a paper entitled Earth-air electric cur¬ 
rents. [Published in Terrestrial Magnetism. 8°, Cincinnati, 
1897, March, vol. ii, pp. 11-22.] 
It was discussed by Messrs. Bigelow, Littlehales, Baker, 
and the author. 
4623 Meeting. January 23, 1897. 
Vice-President BiGELOwin the chair. 
Seventeen members and guests present. 
Announcement was made of the election to membership oi 
Philip Rounseville Alger and James Page. 
Mr. Frank H. Bigelow read a paper on The problem of inter¬ 
national cloud observations. [Not published.] 
It was discussed by Mr. Abbe and the author. 
Mr. C. H. Kummell read a paper on A binomial theorem ex¬ 
pressed in the form of a factorial which is always convergent. 
It was discussed by Mr. Gore and the author. 
