430 



REPORT — 1888. 



(c) Direction of Motion in Earthqitakes. — The following table shows 

 the principal direction of movement of earthquakes as recorded in 

 Tokio :— 



When Palmieri's instrument was removed to the castle its orientation 

 was changed to N.S., E.W. The above table shows that the principal 

 direction of movement in Tokio is between E.-W. and S.E.-N.W., a 

 fact which is of considerable importance to builders. 



(d) Earthquakes and Atmospheric Pressure. — The following table shows 

 the number of earthquakes which occurred between 1878 and 1886, 

 during different months, with the barometer at different heights. The 

 barometric readings are in millimetres : — 



