President in the Chair.
Eleven members present.
C. W. M. Smith and Dr. McClure, of Redwood City, were elected resident members.
Donations to the Cabinet: A large crab, from the west coast of Mexico, by G. O. Haller, through Dr. Cooper.
Donations to the Library: Report of the Smithsonian Institution for 1862.
Adjourned Meeting, July 11th, 1864.
Dr. Trask in the Chair.
Seven members present.
The following paper was received from the author, in accordance with the proposition accepted by the Academy Dec. 7th, 1863.