1128 
MR. C. DAYISON OR THE ANNUAL 
three separate regions are given below. The region here considered includes all three. 
The value of the result is affected by the large number of earthquakes felt in Sicily 
during March, 1883. 
Period. 
Maximum. 
Amplitude. 
Annual. 
September, h and December, h 
•14 
Semi-annual. 
/ April, b 1 
\ October, h / 
•14 
Annual barometric. 
November, h 
37. Italy, excluding Sicily and the district round Vesuvius. — C. W. C. Fuchs, 
‘ Statistik der Erdbeben,’ pp. 144-197. 
Duration of record, 1865-1883. Number of earthquakes, 1513. 
Period, 
Maximum. 
Amplitude. 
Annual. 
September, h and November, b 
•21 
Semi-annual. 
{ April, a —April, h 1 
\ October, a —October, b J 
•17 
38. * District round Vesuvius. — C. W. C. Fuchs, ‘ Statistik der Erdbeben,’ 
pp. 198-213. 
Duration of record, 1865-1883. Number of earthquakes, 513. 
Eig. 10. 
District round Vesuvius (Fuchs). 
Period. 
Maximum. 
Amplitude. 
Annual. 
August, b 
•25 
Semi-annual. 
J June, a 1 
\ December, a j 
•25 
Annual barometric (Naples) 
November, b 
