86 BATHYMETRICAL SURVEY OF 



It is three-quarters of a mile long, narrow in the middle, and expanded 

 towards each end to one-sixth of a mile. The bottom is absolutely flat, as 

 indicated by the invariable soundings, the maximum and the mean depth 

 alike 5 feet. The area is about 54 acres, and the volume 12 millions of 

 cubic feet. It is dammed at the north end, and communicates with the sea 

 by a mill lade. The drainage area, including Loch Fad, is fully 3 square 

 miles. 



The temperature was 62*0 Fahr. throughout, nearly 2 higher than 

 Loch Fad. 



