LIBRARIAN.

TREASURER.

CURATORS.

MineralogyG. E. Moore
PalæontologyWm. M. Gabb
BotanyH. N. Bolander
ZoologyE. F. Lorquin
ConchologyR. E. C. Stearns
EntomologyDr. H. Behr

Donations to the Cabinet were received as follows: from Dr. C. T. Jackson, specimen of Corundum and Margarite.

Mr. Gabb presented, on behalf of the authors, the following papers:

On Californian Lepidoptera.