perhaps in ſome caſes aſſiſted in its Operation by the external air) ſeems agreeable to divers things that may be obſerv'd in ſuch Bodies and their manner of acting.
There are differing Hypotheſes (and all of them Mechanical, propos'd by the Moderns) to ſolve the Phænomena of Electrical Attraction. Of theſe Opinions the Firſt is that of the learned Jeſuite Cabeus, who, though a Peripatetick and Commentator on Ariſtotle, thinks the drawing of light Bodies by Jet, Amber, &c. may be accounted for, by ſuppoſing, that the ſteams that iſue, or, if I may ſo ſpeak, ſally, out of Amber, when heated by rubbing, diſcuſs and expell the neighbouring air; which after it has deen driven off a little way, makes as it were a ſmall whirlwind, becauſe of the reſiſtance it finds from the remoter air, which has not been wrought on by the Electrical Steams; and that theſe, ſhrinking back ſwiftly enough to the Amber, do in their returns bring a-
