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XIII. There are alſo, beſides theſe, many other Differences obſervable in them, according to their ſeveral Qualities; of which thoſe in regard to Colour, Hardneſs, Softneſs, Smoothneſs, and the like Accidents, becauſe of the Number and Diverſity of those Qualities, happen to many^[1].

Manners of working them were alſo well underſtood; even better than in the ſucceeding Ages, for he is here clear in the Diſtinction between the γλυπτοὶ and τορνευτοὶ, which much later Writers of his Nation are very juſtly accuſed of having confounded. The γλυπτὸν and τορνευτὸν of the Greeks, however confuſedly miſunderſtood by ſome of them, and uſed as ſynonymous Terms by others, are really Words of diſtinct and determinate Senſe; and ſignify the Cælatura and Tornatura of the Latins; which, I think, it is evident from this Paſſage, was well known to this Author, however it came to be forgotten afterwards.

↑ The Author, having now mentioned ſeveral very remarkable Properties in Stones, and their general Characters as to Difference of Texture, from the different Ways they are to be worked, proceeds here to relate the many other differences they have in their ſeveral peculiar Qualities, which they owe, as he has before eſtabliſhed it, to the different Matter and Manner of the Affluxes of their conſtituent Parts: and ſuch of theſes as ariſe from the more common Varieties of terreſtrial Matter, in Colour, &c. he again obſerves, are common to many and great Quantities.

This is only repeating, in its due Place, and at the Head of that Claſs of Stones to which it properly belongs, what he had before given as a Part of his general Syſtem: it was long, however, before this Paſſage was in a Condition to be thus underſtood; for after the Word ταύτας, there was by Defect in the Copy a Gap left, which ſome Editors had filled up with the Word διαφοραὶ only, but others, finding the Hiatus too large for that alone, have given their Opinion that the Word ἰδιότητας is alſo to be added. In that Manner I have written it, and it appears evidently to me to have filled up a Gap in the Senſe, as well as in the Writing; by making the Beginning, as well as all

[p33-2] The Author, having now mentioned ſeveral very remarkable Properties in Stones, and their general Characters as to Difference of Texture, from the different Ways they are to be worked, proceeds here to relate the many other differences they have in their ſeveral peculiar Qualities, which they owe, as he has before eſtabliſhed it, to the different Matter and Manner of the Affluxes of their conſtituent Parts: and ſuch of theſes as ariſe from the more common Varieties of terreſtrial Matter, in Colour, &c. he again obſerves, are common to many and great Quantities.

This is only repeating, in its due Place, and at the Head of that Claſs of Stones to which it properly belongs, what he had before given as a Part of his general Syſtem: it was long, however, before this Paſſage was in a Condition to be thus underſtood; for after the Word ταύτας, there was by Defect in the Copy a Gap left, which ſome Editors had filled up with the Word διαφοραὶ only, but others, finding the Hiatus too large for that alone, have given their Opinion that the Word ἰδιότητας is alſo to be added. In that Manner I have written it, and it appears evidently to me to have filled up a Gap in the Senſe, as well as in the Writing; by making the Beginning, as well as all

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