CONTENTS.
| XXXI. Observations on the Eclipse of the Sun at Chatham, April 1, 1764, by Mr. Mungo Murray: Communicated to Joseph Salvadore, Esq; F. R. S. in a Letter from Dr. John Bevis. | p. 171. | |
| XXXII. Observations and Experiments on different Extracts of Hemlock: By Michael Morris, M. D. F. R. S. | p. 172. | |
| XXXIII. Essay on the Use of the Ganglions of the Nerves: By James Johnston, M. D. Communicated by the Right Rev. Charles Lord Bishop of Carlisle, and F. R. S. | p. 177. | |
| XXXIV. An Account of several fiery Meteors seen in North America: In a Letter to John Pringle, M. D. and F. R. S. from John Winthorp, Esq; Hollisian Professor of Mathematics and Philosophy at Cambridge, in New England. | p. 185. | |
| XXXV. Some New Properties in Conic Sections, discovered by Edward Waring, M. A. Lucasian Professor of the Mathematicks in the University of Cambridge, and F. R. S. to Charles Morton, M. D. Sec. R. S. | p. 193. | |
| XXXVI. An Account of the Effects of Lightening at South Weald, in Essex: By W. Heberden, M. D. and F. R. S. | p. 198. | |
| XL. Observations upon the Effects of Lightning, with an Account of the Apparatus proposed to prevent its Mischiefs to Buildings, more particularly to Powder Magazines; being Answers to certain Questions proposed by M. Calandrini, of Geneva, to William Watson, M. D. F. R. S. | p. 201. | |
XLI. An Account of the Effects of Lightning in St. Bride's Church, Fleet-street, on the 18th of June 1764: In a Letter to Mr. Benjamin Wilson,
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F. R. S.
