a 
ON SEISMOLOGICAL INVESTIGATION. 
207 
TABLE II.—-continued. 
S) 
S 
S 
S 
COBNAAGRAMAEE 
0 to 24, max. 16 (1) 
0 to 3, slight 
3 to 21, no tremors . 
21 to 24, slight 
0 to 2, slight 
3 to 24, no temors 
0 to 24, no temors 
0 to 14, no tremors 
14 to 24, max. 19 and 20 (5) 
10 0 to 1, die out 
10 1 to 8, no tremors 
11 No tremors 
12 7 to 24, max. 22 (5) 
13 0 to 4, die out 
13 4 to 12, no tremors 
13 12 to 21, slight 
14 0 to 13, no tremors 
14 13 to 23, max. 22 (5) 
14 23 and 24, no tremors 
15 0 to 24, no tremors 
16 0 to 16, no tremors 
16 16 to 21, slight and slow 
16 21 to 24, no tremors 
17 0 to 24, no tremors 
18 0 to 3, no tremors 
18 3 to 24, max. 18 to 23 (5) 
19 0 to 1, die out 
19 1 to 8, no tremors 
19 23, slight 
20 0 to 24, no tremors 
21 0 to 24, no tremors 
22 0 to 17, no tremors 
22 17 to 21, slight, slow 
22 21 to 24, no tremors 
23 0 to 16, no tremors 
23 16 to 22, slow max. 18-19 (2 
or 3) 
23 22 to 24, no tremors 
24 0 to 17, no tremors 
24 18 to 21, slow max. 18 to ly 
25 No record except 20 to 24, when 
tremors are 2 mm. 
26 0 to 5, die out 
26 5 to 14, no tremors 
26 14 to 24, max. 19 (3) 
27 0 to 4, die out 
27 4 to 10, no tremors 
27 10t 24 max. 17 to 19 (3) 
Remarks 
Stormy. 
Fine, breezy. 
After opening door. 
Dull, 8. wind. 
Rain, calm. 
Dull, W. wind. 
Dull, S.W. breeze. 
Heavy dew at night. 
Fine, calm. 
Calm, dull. 
Drizzle. 
Calm. 
Calm, fog. 
Hoar frost in morning. 
Calm, dull. From noon high wind. 
High wind. 
Calm, drizzle. th; 
Rain, N. wind. 
Decrease by opening door. Heavy dew 
and frost. 
Calm, fine. 
High wind, rain. 
Rain, 8. wind. 
Dull, calm. 
Calm, fog. 
Calm, fog. 
Record like 23rd. 
Calm, dull. 
Rain, breeze, high wind. 
Fine, N.W. breeze. 
Relationship of Tremors to the Hours of Day and Night. 
A general inspection of the preceding table leads to the conclusion that 
tremors have been more frequent and more intense during the night than 
during the day, and that they are especially marked during the early morn- 
ing. To render this relationship more clear, tables have been made 
