Jour. Sc. Coll. I. VII. PI. XIII 



Fig. 24. — Frequency of Earthquakes 

 at Gifu and ûkawara. 



1891.11.25 1891,11.29 



Fig 25. — Frequency of Earthquakes 

 at Gifu and Midori. 



Fig. 23.— (B). 

 , Seismic Intensity for the Vesuviau 

 District, (between 1865 and 188.3). 



Fig. 23.-(C). 

 Seismic Intensity for Sicily, (between 

 1865 and 1883). 



Fig. 22.— Seismic Frequency in Tokyo, (between Jan. 

 1876 and Dec. 1882). 



Fig. 23. 

 Seismic Frequency in Tokyo, 

 110 (between 1876 and 1893). 



Time (in months). 



1876 1881 



