CONTENTS. 
XCIII. A Letter to the Right Honourable the Earl 
of Macclesfield, Prefident of the Royal Society , 
concerning fome new elehlrical Experiments , by 
John Canton, M. A. and F. R. S. p. 780. 
XCIV. Part of a Letter from Cheney Hart, M. D. 
to William Watfon, F. R. S. giving fome Ac- 
count of the Effi his of Elehiricity in the County 
Hofpital at Shrewsbury. p. 786. 
XCV. A Letter from the Reverend William 
Erakcnridge, H.H.and F.R.S. ^George Lewis 
Scot, Efq'y F. R. S. concerning the Number of 
Inhabitants within the London Bills of Morta- 
lity. p. 788. 
XCVI. A Letter from Mr. William Watfon, 
F. R. S. to Charles Gray, of Colchefter, Efq\ 
F.R.S. in relation to a large Calculus fund in a 
Mare. p. 800. 
XCV1I. A Differtaticn on the Bclemnites, in a 
Letter to Smart Lcthieullicr, Efuire , F. R. S. 
by Mr. Guftavus Brander, F. R. S. p. 803. 
XCV1II. Some Obfervations upon the Agaric, lately 
applied after Amputations , with regard to the 
determining its Species. By Mr. William Wat- 
fon, F R. S. p. 81 1. 
XCIX. Two Letters concerning the Ufe of Agaric, 
as a Styptic. One from Mr. jofeph Warner, 
F. R. S. and Surgeon to Guy V Hofpital , to Tho. 
Birch, H. D. Seer. R. S. the other to Mr. Jo- 
ieph Warner. p. 813. 
C. Extract of a Letter from Monf. Bonnet, F. R. S. 
of Geneva, to John Clcphane, M. D. F. R. S. 
tranfate d from the French. p. 818. 
Cl. Extrahl of a Letter from Conftantinoplc, of 
the 1 6th of September 1754, from Murdock 
Mackenzie, 
