At the request of the Board of Managers, Mr. Marcus Baker made a statement relative to plans by the Board for further Alaskan exploration in the vicinity of Mount St. Elias under the conduct of Mr. I. C. Russell, to be prosecuted the coming season. Mr. Gilbert, complying with the request of the Chairman, addressed the Society upon some of the questions involved in Alaskan geology. Dr. Sheldon Jackson, at the invitation of the Society, spoke on the general aspects of the Alaskan coast and the inhabitants of the country. Remarks were made, following Dr. Jackson's address, by the Chairman, Mr. J. H. Blodgett, and others. In connection with the announcement of the proposed Field Day, June 3 and 4 next, to the grottoes near Shendun, in the Shenandoah valley, Virginia, Major Jed. Hotchkiss gave an interesting account of the topography of the valley. An exhibition of lantern-slide views of Alaskan coast scenery followed, the pictures being explained by Mr. I. C. Russell. {x} _May 29, 1891. 55th meeting_. Meeting held in the Lecture Room of the National Museum. Attendance, 800. Reverend Dr. H. C. Hovey delivered an address on "Subterranean scenery as found in the grottoes of the Shenandoah and other caverns of Virginia," with illustrations from lantern-slide views exhibited for the first time. Following the address, Major Hotchkiss illustrated with free-hand sketches on the blackboard the topography of the valley of Virginia, interspersing his remarks with war reminiscences. _June 3 and 4. Field meeting_. About 80 members left Washington on special train June 3, arriving at 3 p.m. at Shendun, Virginia, where they were entertained by the Grottoes company. Weir cave was visited that afternoon, and in the evening a meeting was held in the hotel parlor, at which remarks were made by Mr. G. K. Gilbert, Reverend Dr. H. C. Hovey, Major H. E. Alvord, Captain Morton, General J. J. Reynolds, and Hon. J. Randolph Tucker. The next morning Major Hotchkiss entertained the company with a description of the resources of the Valley of Virginia, his remarks being illustrated by free-hand sketches. The Cave of the Fountain was then visited, and, after presenting a testimonial to Major Hotchkiss for the hospitality of the Grottoes company, the party left for Washington. _October 15, 1891. Special meeting_. Meeting held in the Assembly Hall of the Cosmos Club. President Hubbard in the chair. Attendance, 50. Professor T. McKenney Hughes, professor of geology at Cambridge University, England, gave a sketch of geological problems and the larger questions of geology in England. Messrs Powell, McGee, and Gilbert made remarks on the geologic subjects touched upon by Professor Hughes. _November 13, 1891. 56th meeting_. Meeting held in the Lecture Hall of Columbian University. President Hubbard in the chair. Attendance, 400.