Page:Philosophical Transactions - Volume 013.djvu/161

 II. Benjamini à Broeckhuysen Med. et Phil. Doct. &c. OECONOMIA CORPORIS ANIMALIS, sive cogitationes succinctæ de Mente, Corpore, et utriusque conjunctione, juxta Methodum Philosophiæ Cartesianæ, deductæ. Amstelodami 1683. 8o.

1. LUMERICUS TERES, or some Anatomical Observations on the Round Worm bred in human bodies. By Edward Tyson M.D. Col. Med. Lond. nec non. Reg. Societ. Soc.

Aving been so large in my former instance, in my Discourse on the Joynted-worm, I intend to Contract my self in this. Not that our present subject is scanty, or does not afford a sufficient plenty of remarkable observations; But I chose rather to select what most suites our design. For to be exact and nice in all particulars, would require a just Treatise, and exceed the bounds I have at present for my self.

I shall therefore here give the Anatomy of the Lumbricus teres, that common Round Worm which Children usually are troubled with: and in this more particularly make my remarks upon the Organs of generation in both Sexes and herein shew how vastly different they are from those parts in the common Earth Worms, and it may be, most others. And withall I had designed, together with this, to have given the Anatomy of the Earth Worm, but since have altered my intentions: and at present shall refer to the account given of it by the famous Dr. Willis, reserving my farther observations of it to another opportunity. This sort of Worm by Hippocrates is named ; by Celsus, teres; and is usually about a foot long, or something more, or less; but I have hitherto observed that the Male is generally lesser than the Female: so that by