FURTHER OBSERVATIONS 



on THK 



FLOATING ISLAND OF DERWENT 

 LAKE ;* 



WITH REMARKS ON CERTAIN OTHER PHENOMENA 



IN A LETTER TO MR. DALTON, F. R, S. 



VtefilicHt of t^e J^octets- 



BY MR. JONATHAN OTLEY. 



(Read November 4th, 1825.) 



Keswick, October IO//1, 1825. 

 Sm, 



The Floating Island made its appear- 

 ance for a short time in the latter part of this 

 summer ; I had looked for it some time, and 

 should have been sadly disappointed if it had 

 not shewn itself at all, after such a long con- 

 tinuance of warm weather. Notwithstanding the 

 great drought, the surface of our lake was never 

 so low this summer, as in June last year ; but 

 this may perhaps be partly attributable to the 

 state of its outlet. 



On the 7th of September, the lake being then 

 about four inches above its lowest water- 

 mark of last year, and some appeaj-ance of a 



* Memoirs, vol. 3rd., New Series, page 64. 

 c2 



