CONTENTS. 
I. A Letter from Mr. Wm. Smith to Mr. Ro- 
bcrt Aaften, concerning a Fire-ball, feen in 
the Air ]uly 22. 1 7 yo. communicated to the Royal 
Society 'by the Rev. Wm. Stukeley, M. D. 
F.R.S. and Reid or of St. George the Martyr , 
London, p. 1. 
II. An Account of the fame Meteor, by Mr. Henry 
Baker, F. R. S. in a Letter to M. Fclkcs, Eff 
Tr.R.S. p. 3. 
III. Thermometrical Tables and Obfervations, in a 
Letter to John Pringle, M. D. & F. R. S. by 
John Stedman, MAD. p. 4. 
IV. A general Method for exhibiting the Value of 
an Algebraic Exprellion involving fever al Radical 
Quantities in an Infinite Series : Wherein Sir 
Ifaac Newton’j Theorem for involving a Bino- 
mial, with another of the fame Author , relate - 
ing to the Roots of Equations , are demonftrated. 
By T. Simplon, F. R. S. p. 20. 
V. A Letter from George Bayly, M. D. of Chi- 
chefter, to Henry Pemberton, M. D. F. R. S. 
&c. of the Ufe of the Bark in the Small-pox, 
p. 27. 
a 2 VI. 
