to them incomprehensible; yet they have discovered a great deal to be admired, because of its being known by their Means.
CHAP. XX.
Of Ancient and Modern Natural Histories of Elementary Bodies and Minerals.
HAving now finished my Comparison of Ancient and Modern Anatomy, with as much Exactness as my little Insight into these Things would give me Leave, I am sensible that most Men will think that I have been too tedious. But, besides that I had not any where found it carefully done to my Hands, (though it is probable that it has in Books which have escaped my Notice) I thought that it in would be a very effectual Instance, how little the Ancients may have been presumed to have perfected any one Part of Natural Knowledge, when their own Bodies, which they carried about with them, and which, of any Thing, they were the nearliest concerned to know,were