November 28th; Characteristics of Some Cartilaginous Fishes of the Pacific Coast of North America; Abstract of a Report to Lieut. Jas. M. Gilliss, U. S. N., upon the Fishes Collected during the U. S. N. Astronomical Expedition to Chili; Notice of Some Fossil Bones Discovered by Mr. Francis A. Lincke, in the Banks of the Ohio River, Indiana