CONTENTS. 
Mackenzie, M. <r D . concerning the late Earth- 
quake there. p. 8 it?. 
CII. Extract of a Letter from Camillo Fadcrm, 
Keeper of the Herculaneum Mufeum , to Thomas 
Hollis, Efq\ relating to the late ( Difcoveries at 
Herculaneum. p. 821. 
C 1 II. ExtraEl of a Letter from Sir James Gray, 
Bart, his Majefly’s Envoy to the King of Naples, 
to the Right Honourable Sir Thomas Robin Ton, 
Knight of the Bath , one of his Maje/ly's Se- 
cretaries of State y relating to the fame Difco - 
veries at Herculaneum. p. 825-, 
CIV. Jn Account of J'ome Trials to keep IVater 
and Fijh fweet y with Lime-water. By Stephen 
Hales, C D. D. F. R. S. p. 826. 
CV. Medical and Chemical Obfirvations upon An- 
timony. By John Huxham, M . D. F. R. S. 
p. 832. 
CVI. An Account of Mr. Samuel TullV Method of 
cafl rating Fijh. Communicated by W- Watfon, 
F. R. S. p. 870. 
CV1I. An Attempt to point out , in a cone if e man- 
ner , the Advantages which will accrue from a 
periodic Review of the Variation of the magne- 
tic Needle , throughout the known IVorld } ad- 
dr effed to this Royal Society by William Moun- 
taine and James Dodfon, Bellows of the Jaid 
Society , and reque fling their Contribution there- 
to, by communicating fuch Obfervations concern- 
ing it , as they have lately made , cr can procure 
from their Correfpondents in foreign 'Parts, p. 875. 
L VIII. A 
