CONTENTS. 
between Eight and Nine at Night $ collected by 
John Pringle, M. D. F. R. S. p. 218. 
XXVII. Some Remarks upon the feveral Accounts of 
the fiery Meteor (which appeared on Sunday the 
0.6th (/'November, 1758), and upon other fuch 
Bodies ; by John Pringle, M. D. F. R . S. p. 279. 
XXVIII. Thoughts on the different Impregnation of 
Mineral Waters • more particularly concerning the 
Exifience of Sulphur in feme of them \ by John 
Rutty, Do A or of Phyfic. p. 275-. 
XXIX. An Account of the EffeAs of a Storm of Thun- 
der and Lightning at Rickmanfworth, in Hert- 
fordlhire, on the 1 6th of July, 1759 : In a Letter 
fro?n Mrs. Anne Whitfeld. Communicated by Mr. 
Johrt Van Rixtel, F. R.S. p. 282. 
XXX. An Account of fome extraordinary EffeAs of 
Lightnings in a Letter to Dr. Gowin Knight : 
By Mr. William Mountaine, F.R.S. p. 286. 
Some Remarks on the preceding Letters by Goyvin 
Knight, M. B. F. R. S. a?id Principal Libra- 
rian of the Britifh Mufeum. p. 294.. 
XXXI. An Account of a Meteor feen at Sheftord, in 
Berkshire, on Saturday, October 20 tl\ 1759; 
with fome Obfervations on the Weather of the pre- 
ceding Winter : In a Letter to Thomas Birch, 
D. D. Sec . R. S. from Richard Forher, M. A. 
RcAor of Shefford. p. 299. 
XXXII. An Account of the fame Meteor , feen at 
Bath : In a Letter to Tho. Birch, D. D. Sec. R.S. 
from Mr. Jofiah Colebrooke, F. R. S. p. 301. 
XXXIII. An Account of the Meteor feen at Chigweli 
Row, in EfTex, on the 2 oth of October, 1 759 : In 
a Letter to the Rev. Dr. Birch, Secretary 
