Gray, T. Seismometer and Torsion Pendulum Seismograph. 8 pages, 2 plates.
Mendenhall, T. C. Acceleration of Gravity at Tokio (abstract). 2 pages.
Wagener, G., and E. Knipping. New Seismometer and Observations with same. 18 pages, 1 plate.
Milne, J. Earthquake in Japan of Feb. 22, 1880. 116 pages, 5 plates, 8 woodcuts.
VOL. II.
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.