. THE FRESH-WATER LOCHS OF SCOTLAND. 271 



the 60 feet of water), while in the deepest part there was a fall of 2-4 

 between 50 and 100 feet, and a further fall of 3 between 100 and 150 

 feet (equal to 5 -4 in the 100 feet of water). All the observations 

 indicate a range of temperature throughout the entire body of water 

 amounting to 13*7. 



Loch Luichart (see Plate LX.). Loch Luichart is another large and 

 important loch within the Cromarty firth drainage basin, second as 



FIG. 47. LOCH LUICHART, LOOKING ACROSS THE HEAD OF THE LAKE. 



(Photograph by Mr. David Brigham.) 



regards length only to Loch Fannich, though slightly inferior as regards 

 superficial area to Loch Glass. It is a good fishing loch situated amid 

 grand scenery, where Strath Bran bends to the south-east to join Strath 

 Conon (see Fig. 47). Its general trend is north-west and south-east, 

 bending round the base of Sgiirr Mairc-suidhe, and it is broadest at the 

 north-west end, narrowing towards the south-east. It is 5 miles in 

 length, with a maximum breadth of nearly a mile, the mean width being 

 one-third of a mile. Its waters cover an area of about 1130 acres, or 

 1J square miles, and it drains directly an area of about 39 \ square miles, 



