CONTENTS. 
communicated by John Locke, Efq j F. R. S. 
p. 21 I. 
XXXV. A Letter from Mr, George Edwards, 
F. R. S. to Thomas Birch D. D. Secret. R. S. 
concerning an Obfervation ?nade by him in Opticks. 
p. 229. 
XXXVI. fwo remarkable Cafes in Surgery , by Mr,. 
Francis Geach, Surgeon in Plymouth. Com- 
municated by John Huxham, M. D. F. R. S. 
p. 231. 
XXXVII. An Account of a new Die from the Berries 
of a Weed in South Carolina : In a Letter from Mr. 
Mofes Lindo, dated at Charles Town, September 
2, 1763, to Mr. Emanuel Mendez da Cofta, 
Librarian of the Royal Society. p. 238 
XXXVIII. An Account of the Eclipfe of the Sun, 
April 1, 1764: In a Letter to the Right Honour- 
able George Earl of Macclesfield, Pref. R. S.from 
Mr. James Fergufon, F. R. S. p. 240 
XXXIX. An Account of an Earthquake at Chat- 
tigaon : Franfated from the Perfian by Mr. Edward 
Gulfton, in the Service of the Honourable Eaft India 
Company , and communicated by him to the Reverend 
Mr. Hirft. p. 251 
XL. An Account of an Earthquake in the Eaft Indies, 
of two Eclipfes of the Sun and Moon, olferved at 
Calcutta : In a Letter to the Reverend Thomas Birch, 
j D. D. Secret. R. S. from the Reverend William 
Hirft, M. A. F. R. S. p. 256 
XLI. Extrait of a Letter from Mr. Edward Gulfton, 
at Chittigong, to Major John Carnac, at Calcutta. 
p. 263 
XLI I. An Account of the Earthquakes that have been 
felt in the Province of Iflamabad, with the Damages 
attending 
