499 
Monpay, ApriL 27TH, 1857. 
JAMES HENTHORN TODD, D.D., Presivent, 
in the Chair. 
On the recommendation of the Council the following Resolu- 
lutions were adopted by the Academy. 
1, That the several Committees of the Council shall hold 
seven stated meetings annually, one in each of the months 
of January, February, March, April, May, June, and No- 
vember; and that attendance on such meetings shall reckon 
as attendance at the meetings of the Council; and that the 
number of attendances requisite to qualify a member of 
Council for reelection be increased from seven to ten. 
The attendances of a Member not to be reckoned on two 
Committees. 
The Committees intended by the foregoing recommen- 
dation are, Science, Polite Literature, Antiquities, Economy, 
and Library. 
2. To require from the Treasurer, on his appointment, 
solvent security to the amount of £2000 sterling, in the form 
of a bond, for the faithful discharge of his office. 
Mr. M. Donovan read a paper on a new and singular 
Acoustic Phenomenon. 
Professor Stoney exhibited and described a new arrange- 
ment of ‘ Grove’s Battery.” 
The Rev. Samuel Haughton stated that, at the request of 
the Council of the Academy, he was about to lay before them 
a short statement of the circumstances connected with the ex- 
pedition to the neighbourhood of the Magnetic Pole, about to 
leave England, under the command of their countryman, 
