Jour. Sc. Coll. Vol. XI. PI. XXVII. 



Fig. 3. Seasonal Dudrümtion of 2J6 Destrudjye 

 Eqhes in .Japan. 



y 



190 - 



I I I I I vC 



Spring Summa' Autumn Uln/e/' Spring 



Fig. /. Seasonal Distribution qf Ordinary 

 Small Eqkes in .Japan. 



I I I I \ OD 



Spring Summer Autumn. Winter Spring 



For Fjgs. 3 and. 4., [y^MonMy 



number of eqlies. 



