Page:Philosophical Transactions - Volume 004.djvu/161

 ''les proponit Clar. Dn. Clark in Epist. sua,'' 18 Maji. 1668. Transactionibus Philosophicis inserta) vel etiam Parenchymatale, quale in Epist. sua 10 Maji, 1669. describit, reperiatur. In hunc feré modum reliquorum Animalium Testiculos dissolvere possum, câ tamen diversitate, ut in nonnullorum Testibus aliquæ membranulæ tenuis simæ, & in quorundam, radix præterea Epidymidis Highmori remaneat.

So farr these two industrious Physitians; which though it looks very fair to evince, that the Testes of Animals are made up of nothing but Vessels and their liquors, yet doth our Learned and Inquisitive Dr. Timothy Clarck, and divers other Ingenious and expert Amtomists and Physitians still doubt, whether that be so indeed, considering that not only it cannot be denyed, that this curious heap of Strings or suppos'd Vessels was at first cov'red all over with a Mucous matter (which in so fine and tender a part may well be thought to serve for a parenchyma,) but also that Monsieur de Graeff must himself grant, that in the said part there are found certain smal Membrans besides those Vessels, he is asserting; such another substance being conceived to be highly necessarry to serve for a medium, whereby that compounded liquor, which from the greater Vessal passeth into the minute arteries, nerves and lympheducts of the testes, may be secreted, and according to the different nature and figure of their several particles conveyed into those several small and subtil vessels.

N obedience to the commands of the Right Honorable the Lord Ambassadour for Barbary, I present your Lordship with a Phœmonenon and matter of fact in Nature, which, for its rarity and prodigiousness, may, with a lesser check to me from your Lordship for the presumption, and a lesser regret for the