PROP. IV.

The Contagious Particles being admitted into the Blood, do there

coagulate its Parts, and form _Moleculæ_ of a larger Size than ordinary.

_Demonstration_

The Force of the Heart and Cavities of the Canals being the same, when

the Infection is first taken, as before, the Blood would pass with the

same Facility thro' the Vessels as at other Times, and Obstructions

could not be formed, were not the _Moleculæ_ thus increased; as our

Senses show they are by the Eruption of Pustules in the Small-Pox, by

the great Inflammations, Mortifications, Buboes, and Carbuncles in

Malignant and Pestilential Fevers; and consequently the Contagious

Particles do increase the Bulk of several of the constituent Parts of

the Blood, by altering the Figures of its Particles, and forming

_Moleculæ_ of a larger Size than in a Natural State.

[Decoration]

An Essay on Contagious Diseases more particularly on the small-pox, measles, putrid, malignant, and pestilential fevers · 第 8 / 13 题