40 



Vol. XLIII., Art. 6. — S. Tsuboi 



small la va -fragments (c) w^ith a southward dip of 40^, in a most 

 pronouncedly discordant relation. The latter is covered at its 

 southern foot with a talus deposit {d) formed by the accumulation 

 of blocks of c that have fallen from its steep surface. It is over 

 this old talus that the skirt of the main body of the somma (e) 

 extends. 



Fig 2S. Ctiigasaki as seen northwards (Fig. 1, la). 

 The reference letters, a, h, r, â, anf! e, correspond to th se in Fig. 24. 

 S... Somma lava of the first type 



Fig. 26. 01ii<;asaki as seen westwards from the north foot ot Jvaz:ihaya (Fig. 1, la). 

 The reference letters, <i. h, and c, correspond to those in Fig 24. 



