4SP ESSAYS AND OBSERVATIONS 



" wards, muft have rifen at leaft three feet 

 ?' perpendicular ; and the time of the whole 

 " agitation was about three minutes. 



.3. Letter from Mr. John Robertson to 

 James Smollet of Bonhill, Efq; one of 

 the Commijfaries of Edinburgh, concerm?2g 

 the Agitation of the waters of Loch-lomond, 

 November i. iJSS'^' 



SIR, RosDOB, December 17. 1755. 



" A 8 I have been from home for a fort- 

 night paft, your's came to hand only 

 '^ yefterday, or would have anfvvered it 

 " fooner. The tafk you impofe upon me, 

 " viz. the giving an account of the commo- 

 " tion that was obferved in the waters of 

 " Loch-lomoji4 on the ifl: o^ November ^ is al- 

 " ready executed by Mr. Macfarhme the Mi- 

 " nifter of Arrochar^ according to the beft 

 " accounts he could get of it from the fper 

 *' dators ; as I was not an eye-witnefs of 

 *' this uncommon phcenomenon, and as the ac- 

 " count he gives pf it is perfedly agreeable 

 " to the relations of all thofe who faw it, 



"I 



• * Lochlamond lies upwards of fifty Englijh miles weft of 

 Edinburgh, about the 56th degree of nortlx latitude. 



