22 FLOATING ISLAND 



» 



the temperature of the air, before sun-rise, con- 

 tinue for a length of time so high : it has very 

 seldom been below bb, and only three times, I 

 believe, below 50*^, viz. on the 5th, 23rd, and 

 28th of September. We have had but few 

 clear nights this autumn, and few of those foggy 

 mornings which I had predicted from the elevated 

 temperatme of the earth and water; but they 

 may probably yet be experienced before the 

 water is cooled down to 40^. 



On the 20th of August I visited Fairy Kell, 

 the spring in the Wood,* the temperature of 

 the water was 41 \^, which is above a degree 

 higher than I had ever before observed it. On 

 the 27th I made a solitary excursion over Hel- 

 vellyn to Patterdale. I found the water at 

 Brownrigg Well issuing far more copiously than 

 in July, its temperature was between 40 and 41, 

 the air bb*^ ; and when I left the summit, at 5 p.m. 

 it was 46^. 



During the fine weather, I took frequent 

 opportunities of observing the appearance of 

 Criffell on ascending Castlehead ; and the differ- 

 ence between the highest and lowest station 



* This, in the summer season, is the coldest spring of any 

 near Keswick. It is situate under a high cliff to the S. £. — J.D. 



