Regular Meeting, June 5th, 1865.
President in the chair.
Eleven members present. Dr. C. T. Jackson, R. Kennicott, and W. H. Dall, visitors.
Donations to the Cabinet: Marine shells from the neighborhood of Hong Kong, by Mr. Stearns.
Donations to the Library: Notes on the habits of some species of Humble Bees, and the Humble Bees of New England, by F. W. Putnam and A. S. Packard, Jr., presented by the authors; Proceedings of the Academy of Natural Sciences of Philadelphia, for November and December, 1864.
Messrs. Kennicott and Dall made some remarks on the workings of the Essex Institute.
Dr. Jackson spoke of the progress and condition of the Boston Society of Natural History.
Dr. Jackson also mentioned the discovery by him, in the Mammoth Mining District, near Austin, Nevada, of Tungstate of manganese and Tungstate of lime.