XLV. Of the vitriolic waters of Amlwch, in the isle of Anglesey ; with occasional Remarks on the hartsell spaw, described in the first Volume of the Edinburgh essays and observations physical and literary, and in the 49th volume of the philosophical transactions, and their comparison with other waters of the same class. By John Rutty, M. D

The truly vitriolic waters, altho' by much the strongest of the chalybeates, are so rare in comparison of the ordinary chalybeates, that we have scarce any accounts of them in the memories of the learned