PROCEEDINGS. 
439 
434th Meeting. March 16, 1895. 
President Dall in the chair. 
Thirty-two members and guests present. 
Mr. G. K. Gilbert read a communication giving Additional 
notes on gravity determinations. [Published under the title 
Report on a geologic examination of some Coast and Geodetic 
Survey gravity stations, in U. S. Coast and Geodetic Survey 
Report for 1894, Appendix no. 1, pp. 51-55.] 
It was discussed by Mr. Harkness. 
Mr. Cleveland Abbe discussed the paper of Mr. McAdie, 
read at the last meeting. 
Mr. F. W. Clarke read a paper on The new gas in the atmos¬ 
phere. [Not published.] 
It was discussed by Messrs. Baker, Doolittle, Kummell, 
Chatard. McAdie, Dall, and Ward. 
435th Meeting. March 30, 1895. 
President Dall in the chair. 
Twenty-four members present. 
Announcement was made of the election to membership of 
Elliott Woods and Leland Perry Shidy. 
Mr. C. V. Riley read a paper on Caprification. [Published 
under the title Some entomological problems bearing on Cali¬ 
fornia pomology and the caprification of the fig, in Proceedings 
of the American Pomological Society, 1895, 24th session, p. 113.] 
It was discussed by Messrs'. Kummell and Ashmead. 
Mr. Charles H. Kummell read a paper on The logical neces¬ 
sity that if the attraction of gravitation depends on distance it 
must be in the inverse square. 
It was discussed by Messrs. PIall, Doolittle, Wead, Chris¬ 
tie, H. Farquhar, and Gore. 
