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XV. Account of the Irruption of Solway 

 Mofs in December 16, 1772 ; in a Let- 

 ter from Mr. John Walker, to the Earl 

 of Bute, and communicated by his Lord- 

 floip to the Royal Society % 



My Lord, 



Head Feb. '^IITHEN I was fitting yefterday 

 \\ writing to your Lordfhip, I re- 

 ceived the honour of yours. I mall therefore defer 

 the account I intended of my expedition lad feafon 

 to the north, and give the beft defcription I can, of 

 the extraordinary irruption of Solway-mofs, which I 

 went to vifit, about a week after it happened. 



It is not furprizing, that it has every where attracted 

 the attention of the public ; for though the caufe of it 

 Is obvious, yet fo far as I recollect, the alteration it 

 has produced on the face of the earth, is greater 

 than any we have known in Britain, from natural 

 caufes, fince the destruction of Earl Goodwin's eftate. 



* The Society has received, from other hands, feveral accounts 

 of this curious and lingular phenomenon; but this, as one of the 

 lateft, being likewife the completer}, was thought the moft proper 

 to be laid before the public; efpecially as, on comparifon, few 

 particulars of any importance mentioned in the other accounts 

 were found wanting in this. Thefe few, however, have been 

 collected, and fubjoined in the form of notes. M. M. 



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