HISTORY OF THE ROYAL SOCIETY OF NEW SOUTH WALES. PA i | 
Papers read.—1. “On the present state of the supply of 
the Ores of Mercury,”’ by the Rev. W. B. Clarke. Pub- 
lished at pp. 157 and 170, Vol. 1 of the Magazine. 2. ‘‘On 
the Filtration of Water through Sand,’’ by His Excellency 
Sir William Denison. Published at p. 74, Vol. 11 of the 
Magazine. 
Twenty-second Monthly Meeting, Exchange, 13th 
‘October, 1858. Rev. W. B. Clarke in the Chair. 
Members elected.—Alexander Dick Esq., John Lucas Esq. 
Papers read.—1. ‘‘On the construction of Dams,”’ by 
Professor Pell. Published at p. 94, Vol. 1rof the Magazine. 
2. ‘“On Ourrency and Banking in New South Wales,’”’ by 
Edward R. Drury Esq. Published at p. 97, Vol. 11 of the 
Magazine. 
Twenty-third Monthly Meeting, Sydney Exchange, 10th 
November, 1858. Sir William Denison in the Chair. 
Member elected.—J. 8S. Willis Hsq. 
Paper read.—*‘On the Plurality of Worlds,’”’ by Rev. 
William Scott. Published at p. 131, Vol. 11 of the Magazine. 
The Chairman read the result of an Examination of Coal 
from Bellambi, made at the Royal Branch Mint. (A refer- 
ence only at p. 117, Vol. 11 of the Magazine). 
Twenty-fourth Monthly Meeting, Sydney Exchange, 8th 
December, 1858. Sir William Denison in the Ohair. 
Member elected.—Lieutenant Colonel Percival. 
Auditors elected.—Andrew Bonar Hsq., The Honorable 
G. K. Holden Hsq. 
Paper read.—‘‘On the Progress of Photography and its 
application to the Arts and Sciences,’’ by Mr. James Free- 
man. Published at p. 136, Vol. 11 of the Magazine. 
A photographic Conversazione was then held. The 
exhibits were enumerated at p. 131. 
