1891-92.] CIRCULAR.LETTER. 307 
CIRCULAR-LETTER ADDRESSED TO ASTRONOMERS OF ALL NATIONS. 
PROPOSED CHANGE 
IN; REChHONING THE. ASTRONOMICAL DAY. 
TORONTO, CANADA, 21st April, 1893. 
The Canadian Institute in co-operation with The Astronomical 
and Physical Society of Toronto, have had under consideration the 
subject of Astronomical Time Reckoning, and have, after much delibera- 
tion and consultation, appointed a Joint Committee to suggest the best 
means of ascertaining the views of astronomers throughout the world. 
The Joint Committee have presented the accompanying Report, in 
which both Societies concur. 
On behalf of the two Societies we have the honour to direct atten- 
tion to the observations and recommendations of the Joint Committee, 
as well as to the appended extracts, expressing the views of the follow- 
ing gentlemen :— 
1. Sir John Herschell. 
2. M. Otto Struve, Imperial Astronomer, Pulkowa. 
Mr. W. H M. Christie, Astronomer Royal, Greenwich. 
Prof. S. Newcomb, Nautical Almanac Office, Washington. 
Commodore Franklin, United States Naval Obs., Washington. 
Mr. C. Carpmael, President Astronomical Society, Toronto. 
NY He fw 
Mr. Arthur Harvey, President Canadian Institute, Toronto. 
