THE FRESH-WATER LOCHS OF SCOTLAND. 
33 
Surface ... 
• •• 
56°-4 Fahr. 
10 feet ... 
• •• 
56°-4 „ 
25 „ ... 
56°-4 „ 
40 „ ... 
56°-4 „ 
45 „ ... 
53°-6 „ 
50 ,, ... 
»• • 
• •• 
51°-1 „ 
100 „ ... 
49°-5 „ 
These observations show a total range throughout the body of water 
amounting to 6°’ 9, the superficial layers down to 40 feet being uniform in 
temperature, while between the depths of 40 and 50 feet a fall of 5°*3 was 
observed. 
D 
