Jour. Sc. Coll. Vol. VII PI. X. 



Fig. 18. — Seismic Frequency at Cbiran, (between 

 Sep. lStL-2i2nd, 1893. and Jan. 2Ctb-30th, 1B94|. 



Fig. 17. - Frequency of Earthquakes at Chirau 



(between Sep. l-2tLi-1.3th, 1893. and J 

 30th-3l3t, 1894). 



Time (in 

 2-day intervali). 

 18S>4. 1.30-31 



