THE FKESH-WATER LOCHS OF SCOTLAND. 
99 
LOCHS OF THE EYAN BASIN. 
The area draining into Locli Eyan (see Index Map, Fig. 11) includes 
only two lochs that were sounded by the Lake Survey : the Black Loch and 
the White Loch of Inch, both considerable sheets of water, situated in the 
grounds of Lochinch Castle ; their overflow is carried by the Messan burn, 
FIG, 11 . — INDEX MAP OF THE EYAN, GALDENOCH, LUCE, AND BLADENOCH BASINS. 
a stream about 2 miles long, into Loch Eyan, 2 miles north-east of the town 
of Stranraer. They are both at the same level, being connected by a broad 
canal. Their axes run parallel to one another, from south-east to north- 
west. Their combined areas amount to half a square mile, their volumes 
to 241 millions of cubic feet, and they drain an area of 6 square miles. 
