feculent Parts.
Neither do I by a random Guess, and an ungrounded Conjecture, suppose that from the Mixture and Fermentation of the two Juices, which constitute the Saliva, there results a Matter, which is apt to ferment with the Bile. But to me the Notion seem'd to be confirmed by an Experiment that I made. For considering with my self, that the Bile is generally allow'd to have much of a saponary Nature, I made a Solution of Soap in fair Water, and mix'd it with the Oils of Turpentine
and Vitriol first put together, and from their Mixture I observ'd a very easie and gentle Fermentation, which continued for a considerable time.
A Discourse concerning some Influence of Respiration on the Motion of the Heart , hitherto unobserved. By J. Drake , M. D. F. R. S.
THO' divers accurate Treatises of the Heart , and its Action, have been written by Learned Men of several Nations, especially by two of our own Country; the Great Dr. Harvey , to whose happy Sagacity this Nation owes the Glory of the Invention of the Circulation of the Blood ; and the incomparable Dr. Lower ,