Note ddd — BOOK IV.

In the Thornback, and some other Fishes, it is a very curious Provision that is made to supply the Paucity and Brevity of the Guts; by the Perforation of their single Gut, going not strait along, but round like a Pair of Winding Stairs; so that their Gut, which seems to be but a few Inches long, hath really a Bore of many Inches. But of these, and many other noble Curiosities and Discoveries in Anatomy, the Reader will, I hope, have a better and larger Account from the curious and ingenious Dr. Dowglas, who is labouring in those Matters.