80 
THE FRESH-WATER LOCHS OF SCOTLAND 
1th December, ca. 30'" (fig. 31).— About this hour was 
observed the greatest total range of seiche found on Loch Tay, viz. 
/ ^7S 
3\C 
/ilUun ZS/OOS". 
Fig. 30. 
80 mm. At that moment the range on Loch Earn, which at 8^ had 
been as much as 55 mm., was only about 25 mm. The explanation of 
/8 
''^MohAMM/yik&cuL 7 /z or 
/8 
I ^ 
.S 7 
1-1 6 
^'^ KMom. y /z OS-. 
2 //r^ 
Fig. 31. 
7T 
this is doubtless to be found in the well-marked period of 26"5™ shown 
in the microbarogram between 12^ and 16*^. 
\Mh August. — Fig. 32 shows an interesting case of the gradual 
development of a UB-dicrote seiche. The anemogram shows a fall of 
