Milne, J. Recent Earthquakes of Yeddo, Effects on Buildings, &c. 38 pages, 2 plates, and many tables. Mendenhall, T. C. Gravity on Summit of Fujiyama (abstract). 2 pages. Paul, H. M. Earth Vibrations from Railroad Trains (abstract). 4 pages. Ewing, J. A. Astatic Horizontal Lever Seismograph (abstract). 5 pages, 1 plate. Milne, J. Peruvian Earthquake of May, 9, 1877. 47 pages, 2 plates, tables. Constitution, Rules, Officers and Members of the Society, Dec., 1881. VOL. III. Gray, T. Steady Points for Earthquake Measurements. 11 pages, 3 plates. Milne, J. Experiments in Observational Seismology. 53 pages, 1 plate, tables. — The Great Earthquakes of Japan. 38 pages, 1 plate, many tables. Perry, J. Theory of a Rocking Column. 4 pages. Knipping, E. Earthquake of July 25, 1880, with Dr. Wagener’s Seismometer. 4 pages. Ewing, J. A. Earthquake Observation at three or more Stations, &c. 4 pages. — Records of three recent Earthquakes. 6 pages, 3 plates. — Earthquake of March 8, 1881. 8 pages, 1 plate. Milne, J. Horizontal and Vertical Motion in Earthquake of March 8, 1881. 8 pages, 3 plates. Gray, T. Seismograph for Registering Vertical Motion. 3 pages, 1 plate. Ewing, J. A. Seismometer for Vertical Motion. 3 pages, 1 plate. Gray, T. Seismograph for Large Motions. 2 pages. — Compensating a Pendulum to make it Astatic. 3 pages. Palmer, H. S. Note on Earth Vibrations. 3 pages. Kuwabara, M. The Hot Springs of Atami. 2 pages. VOL. IV. Milne, J. Distribution of Seismic Activity in Japan. 30 pages, 1 plate. Wada, T. Notes on Fujiyama. 7 pages. Casariego, E. Abella y. Earthquakes of Nueva Vizcaya in 1881. 23 pages, 2 maps. Milne, J. Utilisation of Earth’s Internal Heat. 12 pages. Ewing, J. A. Earthquake of March 11, 1882. 5 pages. Doyle, P. Note on an Indian Earthquake. 6 pages. Milne, J. Systematic Observation of Earthquakes. 31 pages, 5 plates. VOL. V. Naumann, Dr. E. Notes on Secular Changes of Magnetic Declination in Japan, p. 1–18. Casariego, Don E. Abella y. Monografía Geológica del Volcan de Albay ó El Máyon. p. 19–43. Garcia, Don J. Centeno y. Abstract of a Memoir on the Earthquakes on the Island of Luzon in 1880. p. 43–89. Ewing, Prof. J. A. Seismological Notes. — A Duplex Pendulum Seismometer. — The Suspension of a Horizontal Pendulum. — A Speed Governor for Seismograph Clocks, p. 89–95. Dan, T., S.B. Notes on the Earthquake at Atami, in the Province of Idzu, on September 29, 1882. p. 95–105. VOL. VI.