Regular Meeting, December 16th, 1867.
Vice President Ransom in the Chair.
Thirty-seven members present.
The following gentlemen were elected Resident Members: Messrs. William Hamel, P. B. Cornwall, Horace D. Dunn and W. B. Rising.
Donations to the Cabinet: seven specimens of ores from Gregory Yale, Esq., also, a series of samples in bottles, illustrating the chlorination process of extracting gold from the sulphurets, by the same.
Mr. Goodyear read the following paper: