110 Proceedings of the Kc^al Society of Edinburgh. [Sess. 
and the method of working will be described in a subsequent com- 
munication to the Society dealing with observations on Loch Ness. One 
or two preliminary observations were made in Loch Garry to test the 
working of the metre, and as they are not without interest they may 
be summarised here. 
I. 26th March 1908. Light N.E. Wind. 
Depth. 
Velocity of 
Current. 
Cm. sec. 
Direction 
(Mean). 
1 foot 
1-8 
1 ft. 6 in. 
2-3 
S. 60° E. 
200 ft. 
1-5 
N. 50° W. 
Showing current at bottom in direction opposite to current at surface. 
II. 28th March 1908. West Wind of Moderate Strength. 
Depth. 
Rate of 
Current. 
Cm. sec. 
Direction. 
24 feet 
4-8 
25 „ 
2-1 
N. 30° E. 
100 „ 
4-8 
S. 65° E. 
200 „ 
3-3 
E. 
Showing distinct current at bottom in opposite direction to the wind. 
III. 31st March 1908. Strong West Wind. 
Depth. 
Rate of 
Current. 
Cm. sec. 
Direction. 
Surface. 
28-0 
W. 
1 foot 
25-3 
W. 22° N. 
25 feet 
3*9 
W. 50° N. 
100 „ 
37 
E. 50° N. 
200 „ 
3-1 
E. 10° N. 
This series of observations (fig. 4) shows very clearly a current to a 
depth of over 25 feet in the same direction as the wind, and below that 
a return current in the opposite direction. 
