114 
Proceedings of the Royal Society of Edinburgh. [Sess. 
APPENDIX. 
Note. — A map of the lake is published in the Geographical Journal for 
October 1907. In the following Tables the points of observation are denoted 
by letters, the positions of which are shown in fig. 6, representing a cross- 
section of the lake. The temperatures are measured in degrees Fahrenheit, 
but for convenience of those accustomed to deal with the Centigrade scale, 
a conversion table is prefixed. A number appearing in brackets below an 
observation indicates the depth at which the observation was made, being 
different from the depth given at the head of the column. The wind force 
Avas estimated according to the Beaufort scale. 
