CONTENTS. 225 



PAGE 



n) Jan. 27tli, 89 — Apparent movement of tlie western 



lava-flow eamo to a standstill 89 



o) ÏHE FOURTH PHASE (Jan. 28— Feb. 1st), 89— Jan. 28tli, 

 89— The 29th, 90— The 30th to 3 1st, 90— February 

 1st, 90— A new islet forined, 90 — Eventually Sakura- 

 jima became a peninsula of Osumi, 90 — Feb. 2nd . . 90 

 2)) The fifth phase (Feb. 3 — Mar. 1st), 91 — Feb. 3rd to 

 4th, 91 — Tiie main vulcauism of Sakura-jima terminated, 

 91— Feb. 5th to 6th, 91— Feb. 7th to 8th, 92— The cloud- 

 burst and mud-flood, 92— Feb. 9th to 12th, 92— Feb. 

 13th to 14th, 92 — Iwo-jima oif Satsuma quaked, 92 — Feb. 

 15th to 16th, 93 — The second ash-mud deluge in Osumi, 

 93— Feb. 17th to 18th, 93— Feb. 19th-22nd, 94— Feb. 

 23rd to 24th, 94— Feb. 25th to 26th, 94— Feb. 27th to 



March 1st 94 



C. Economic and social statistics 95 



D. Saimnary and co7iclusions 96 



i. Predisposing causes 96 



Recurrence of vulcanicity in general, 97 — Recurrence 



in Japan 98 



ii. Premonitory symptoms 99 



Earthquake-swarms of Yoshimatsu, 99 — Earthquakes 

 and volcanic outbursts after maximal period of local 



atmospheric pressure 100 



iii. The phases of eruptions 101 



First phase, Jan. 12th to 13th, 101 — Second phase, 

 Jan. 14th to 20th, 101— Third phase, Jan. 21st to 



27th, 101— Fourth and fifth phase 102 



iv. The mass and dimensions of lava 103 



The western lava-field, 105 — The eastern lava-field, 

 105 — ^The whole mass of lava, 108 — Lava-delta and 

 steam-spouting horn 108 — ^The ring of wet fumaroles. 110 

 v. The temperature of lavas 110 



