Loch Lomond during the Autumn of 1885 317 



least steep gradient is on the most northerly station, No. 4, indi- 

 cating greater mixture of the layers of water towards the head of 

 the loch. The curves show also, in a remarkable manner, the 



TABLE II. Observations in Loch Lomond, $th September 1885. 



difference in temperature of tin- \v,tt-r ,it the >amc depth in 

 s. The greatest difference is found at ten 



