Page:Philosophical Transactions - Volume 002.djvu/114

 they are in the Brain severed from the Bloud. Lastly, that it is doubted by some, whether any Air at all is received into the mass of bloud, which yet is not questioned by our Author, who only doubteth, whether through the Lungs there be a high way for the Air to the Bloud.

After this, our Author gives his thoughts both of the true Use of the Lungs, and of Sanguification.

The Lungs, he saith, serve chiefly, by their constant agitation to comminute the bloud, and so to render it fit for a due circulation; which office he thinks to be performed in Fishes by the continual motion of their Gills, a Succedaneum to Lungs.

Sanguification, according to him, is chiefly performed and perfected by the frequent pulsions of the Heart, and the repeated ccontractions of its left Ventricle at the passing of the Sanguineous liquor from thence into the Aorta.

The Seventh and last Chapter contains a Direction for the younger Anatomists, of what is to be observed in the dissection of divers Animals with young: and first, of what is common to all the Viviparous; then, what is peculiar to several of them, as a Sow, Mare, Cow, Ewe, She-Goat, Doe, Rabbet, Bitch, and a Woman: Lastly, What is observable in an Egg, Skate, Salmon, Frog, &c.

All is illustrated by divers accurate Schemes.

is Book is not yet come into England; only the Excellent Septalio having in his Letter above-mentioned given us notice of its being published and dedicated to the great Duke of Tuscany, we thought it not amiss to inform the Curious of it.