274 PROCEEDINGS OF THE ACADEMY OF June 3d. Mr. Lea, President, in the Chair. Twenty-two members present. The following papers were presented for publication : New Melanidse of the United States. By Isaac Lea. New Unionidae of the United States. By Isaac Lea. June 10th. Mr. Jeanes in the Chair. Sixteen members present. The following paper was presented for publication : Descriptions of new Genera, Subgenera and Species of Tertiary and Recent Shells. By T. A. Conrad. Jane 17 th. Vice-President Bridges in the Chair. Seventeen members present. The following papers were presented for publication : Notice of a Collection of the Fishes of California, &c. By Theo. Gill. Synopsis of the Lopbobranchiate Fishes of Western North America. By Theo. Gill. June 2-ith. Vice-President Bridges in the Chair. Eighteen members present. On report of the respective Committees, the papers of Mr. Lea, read June 3d, were ordered to be published iu the Journal, and the follow-ing in the Proceedings. Notice of a Collection of the FISHES of California presented to the Smithsonian Institution by Mr. Samuel Hubbard. BY THEODORE GILL. The collection of Fishes noticed in the present article was formed by Mr. Samuel Hubbard, of the Pacific Mail Steamship Company, during the past two years. Although small, it contains several species of considerable rarity and not less than five new ones, two species represent entirely "new" genera. The species will hereafter be more fully described. Family EMBIOTOCOIDJZ* Agassiz. * The family of Embiotocoids appears lo be represented by two subfamilies and thir-teen genera, I. EmbiotocinjE. with the genera Hypsurus A. Ag., Phanerodon Grd. incl. Embioloca argyrosoma Grd.), Ditrema T. S., Embiotoca Ag., Damalichthys Grd. [June,
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