204 BATHYMETRICAL SURVEY OP 



From the table on pages 202 and 203 it will be seen that in the 

 thirty-nine lochs under consideration 3751 soundings were taken, and that 

 the aggregate area of the water-surface is 8| square miles, so that the 

 average number of soundings per square mile of surface is 433. The 

 aggregate volume of water contained in the lochs is estimated at 3026 

 millions of cubic feet. The area drained by these lochs is about 45 J 

 square miles, or about five times the area of the lochs. 



