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.
Regular Meeting, June 19th, 1865.
President in the chair.
Nine members present.
Donations to the Cabinet: Specimen of coral from the Farallone Islands, by Mr. Hubbard; Specimens of silver and copper ores and cinnibar from Mexico, by the Editor of La Voz de Mejico; Skull of the Sea-otter, (dug out of the sand near the Cliff House,) by Mr. Daniel E. Webb; Fibrous bark from China, by Mr. C. A. McNulty.
Donations to the Library: Notes on the Genus Gundlachia and of the fossil crab of Gay Head, by Dr. Wm. Stimpson; Proceedings of the Philadelphia Academy of Natural Sciences for January, February and March, 1865; Silliman’s Journal, May, 1865; Annual Report of the Museum of Comparative Zoology of Cambridge; Report of the ninth census Of the U.S.
Mr. Hubbard presented the following paper from Mr. W. H. Pease, of Honolulu: