An account of a surprizing meteor, seen in the air March 19. 1718/19. at night : Containing, I. A description of this meteor, from the original letters of those who saw it in different places. II. Some historical accounts of the like meteors before. III. A demonstration that such meteors are not Comets. IV. That such meteors are not a concourse of vapours above our atmosphere. V. That they are prodigious blasts of thunder and lightnings in the upper regions of our air. VI. Observations from the whole. By William Whiston, M.A. sometime professor of the Mathematicks in the University of Cambridge. The second edition. To which is added, a vindication of his account of the late meteor, from the different account given of it by Dr. Halley, in the philosophical transactions, numb. 360.