40 



Art. 9.— T. Terada : 



Classifying the period in the same groups as in the case of Fig. 12, 

 we obtain the following Table and also Fig. 13, B. 



^ 05 



23- 

 Z 



0.1 

 ) 



TT 0-5" 



0-3 

 01 

 0-1 



Z 



o'^-i,'^ 



Fig. 13, A. 



■K 0-5 

 04 

 0-3 

 1 

 01 



fO 20 30 T 



6'- 1 2»^ 









■n Ofr 



of 



0-3 



02 



10 20 30 I 



is'- 24'' 



iO 20 



30 



10 



10 30 T 



