CHAPTER V. TROMOMETER OBSERVATION IN KAGOSHIMA OF THE SAKURA-JIMA AFTER-ERUPTIONS, JAN. 16TH-FEB. 8TH, 1914(THE SAKURA-JIMA ERUPTIONS AND EARTHQUAKES V. Seismographical Observations of the Fore-shocks, After-shocks, and After-outbursts of the Great Sakura jima-Eruption of 1914)