22 



Vol. XLTII., Art. G. — S. Tsuboi ; 



Fig. 12. The harbour of Habu (^e), a phreatic explosion crater viewed northwards. 

 Efferenee loiters. A, U, and Ü, correspmd to tho.se in Fig, 13. (Fig 1, 3e) 







Lava 



gBjS 



Electa 





so"'4o'"acr'so'" lo^ 



Scale I/IO,^;')') 



Agglomerate 



Dyke 



Horizontal scale 1/10,000 

 Vertical scale 1/ 5,000 



F,g. 13. Hnbi phreatic explosion-crater (3e). 



The harbour was bolievorî bv some earlier author; 



to be 



1) Naum.-xnx, " Die Vulcaninsel Ooshima und ihre jüngste Eruption," Z'iïUchr'ift der 

 Veutschtn (jeol ,jisvlien GefcUsdiiß, Bd. XXIX., 1877. 



Yamasakt, "Report on the Volcano (Jshima," Report Ea<h'j. [tuest. Com., No. !), 18 Ki 

 (in Japanese). 



