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.