280 Proceedings of the Royal Society of Edinburgh. [Sess. 
(161) 1912, May 3, 11.45 p.m. 
A shock, accompanied by a loud thud, with rumbling before and after, 
was felt at Airthrey. A shock was also felt during the evening of May 3 
at Tillicoultry. 
(162) 1912, May 4, 12.10 a.m. 
A slight shock, consisting of a single series of vibrations, was felt at 
Alva, Blackford, Dunblane, and Kinbuck. The sound was compared to 
that of a heavy body falling and an explosion. 
(163) 1912, May 4, 2 a.m. 
A shock, (intensity 3), accompanied by a noise like that of a heavy 
body falling, was felt at Alva. 
A slight shock was felt (so far as I know, by one observer only) on 
May 4 or 5, at about 11.50 p.m., at Auchendoune (Doune). 
(164) 1912, May 9, 11.28 p.m. 
The shock was felt at Airthrey, Alva, and Dunblane. At Airthrey it 
consisted of a thud (with noise), preceded and followed by tremors. 
i 
(165) 1912, May 10, 9.20 p.m. 
The shock, which consisted of a thud, preceded and followed by tremors, 
was felt at Airthrey, Alva, Doune, and Dunblane. Its duration was about 
2 or 2i seconds. The sound resembled that of an explosion. 
(166) 1912, May 11, about 11.23 p.m. 
A slight vibration and noise, increasing to a maximum and then dying 
away, were observed at Dunblane. 
(167) 1912, May 14, 6.54 a.m. 
A slight shock (intensity 3), like that of a heavy weight falling with 
a thud, was felt at Airthrey, Alva, Dunblane, and Logie. The sound, as of 
the fall of a heavy body, was heard at Airthrey. 
(168) 1912, May 14, 6.58 a.m. 
A shock (intensity 3), similar to the preceding, and lasting two seconds, 
was felt at Airthrey, Alva, Dunblane, Greenloaning, and Logie. 
(169) 1912, May 18, 4 a.m. 
A slight shock, felt at Dunblane. 
