178 Jaggar — Yolcanologic Investigations at Kilauea. 



Fig. 7. 

 a 



¥iG. 7. 1916-1^ 

 Jaggar. 



Development stages of S. island in lava lake. Photos 



(o) Nov. 7, 1916. South islapd and beginning of E. point, from S. margin 

 Halemaumau. Depression 198 ft. (59 m.). 



ih) Jan. 5, 1917, from E. rampart at lake level looking S., showing E. 

 point left, S. island right, and fresh overflow in foreground. Depression 

 101 ft. (31 m.). 



