ON THE EARTHQUAKE AND VOLCANIC PHENOMENA OF JAPAX. 123 



Eleventh Report of the Committee, consisting of Sir William 

 Thomson, Mr. R. Etheridge, Professor John Perry, Dr. Henry 

 Woodward, Professor Thomas Gray, and Professor John Milne 

 (Secretary), apjjoiiited for the piirpose of investigating the 

 Earthquake and Volcanic Phenomena of Japan. [Drawn up 

 hy the Secretary.) 



The Gray-Milne Seismograph. 



The first of tlie above seismographs, constructed in 1883, partly at 

 the expense of the British Association, still continues to be used as the 

 standard instrument. The earthquakes which it has recorded since 

 April 27 of last year are given in the following list. 



Catalogue of Eartliqualies recorded at the Meteorological Ohservatory, Tohio, between 

 Mag 1, 1890, a^id Ajml 30, 1891, hy the Gray-Milne Seismograph. 



