404 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
ferred to the absent list, and 2 dropped for non-payment of dues, 
making a total loss of 9. The gain has been: By election and 
qualification of new members, 11; making a net gain of 2. The 
present active membership is 110. One person recently elected 
has not yet qualified as a member. 
The number on the absent list is 76, one more than at the date 
of the last report. 
The list of deceased members is: 
Edward Clark. J. W. Powell. Henry Mitchell. 
Charles Nordhoff (died July 14, 1901, but not reported last 
year). 
John Walter Osborne (who is on the absent list of the So¬ 
ciety) . 
The new members are: 
James D. Tpiompson. 
Clarence M. Hall. 
W. S. Eichelberger. 
Frank B. Littell. 
Charles W. Waidner. 
Albert Francis Zahm. 
Charles Greely Abbott. 
Edgar Buckingham. 
F. H. King. 
W. J. Spillman. 
S. W. Stratton. 
The following members were transferred from the active to the 
absent list: 
E. D. Preston. C. H. White. 
Mr. W. M. Poindexter resigned. 
The General Committee held 16 meetings, at which the average 
attendance was 11. 
The Society held 17 meetings, 1 of which was devoted to the 
annual reports and the election of officers, and 16 to the reading 
and discussion of papers. 
The average attendance at the scientific meetings was 37, the 
highest for ten years; the greatest attendance was about 100, to 
witness the experiments on liquid air; but even excluding this, 
the average attendance has been greater than for many years past. 
Thirty-eight papers were presented by 34 persons, 10 of whom 
appeared by invitation. The lantern was used on four evenings. 
The subject matter of the regular papers may be roughly clas- 
