THE FRESH-WATER LOCHS OF SCOTLAND. 



173 



THE LOCHS OF MULL. 



THE island of Mull (see Index Map, Fig. 20) was the scene of some of 

 the preliminary work carried on by Sir John Murray and the late Mr. Fred. P. 

 Pullar. With the small machine designed by Dr. Ule, they sounded 



OF 

 Ben More 



3.85 a 



MULL 



English Mi/es 



FIG. 20. INDEX MAP OF THE ISLAND OF MULL. 



Lochs Frisa, Ba, and Uisg, but, being led to doubt the trustworthiness of 

 that machine, they never published the results, and Mr. Pullar set to work 

 designing a new machine, which has since been used in sounding most of 

 the Scottish lochs. At the time of the visit of the Lake Survey staff only 



