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 lAiicliart (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. 
(Photoijra'ph by Mr. David Brigham.) 
regards length only to Loch Pannich, 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 Sgurr 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 
1| square miles, and it drains directly an area of about 39 J square miles. 
