4 PHILOSOPHICAL SOCIETY OF WASHINGTON. 
The bonds referred to in the statement of assets were exhibited 
to us by the Treasurer, and consist of one $1,000 U.S. bond @ 44 
per cent., one $1,000 U.S. bond @ 4 per cent., and one $500 U.S. 
bond also @ 4 per cent. 
All of which is respectfully submitted. 
H. C. Yarrow, 
Marcus BAKER, 
Witiram C. WINLOCK, 
; Committee. 
On motion, the report was accepted and the committee discharged. 
Mr. J. S. Brnurinas made a communication on 
THE VITAL STATISTICS OF THE TENTH U. 8. CENSUS, 
presenting a brief outline of results soon to be published in Vol. 
XI of the Census Reports. 
Remarks were made by Messrs. Evtrorr, MALLERY, and AsAPH 
HALL. 
262p MEETING. JANUARY 17, 1885. 
The President in the Chair. 
The Chair communicated an invitation to the members of the 
Society to attend the annual meeting of the Biological Society and 
listen to an address by Dr. C. A. WHITE. 
By request, Professor G. Srantey Hat, of the Johns Hopkins 
University, made a communication on 
RECENT EXPERIMENTS ON REACTION TIME, AND THE TIME SENSE, 
reviewing the methods of investigation and the results attained. 
An animated discussion followed by Messrs. Roprnson, HILGARD, 
Newcoms, Bruurnes, Eastman, PAuL, Wintock, AsapH HALL, 
and Professor GEORGE Davipson, of San Francisco. 
Mr. C. E. Durron then began a communication on 
PRACTICAL GEOLOGY versus SPECULATIVE PHYSICS, 
which was unfinished when the hour of adjournment arrived. 
