CONTENTS. 
vn 
Iford near Lewes, in Suffex. In fundry Letters, from 
Mr . James Lambert, Landfcape-Painter at Lewes; 
and One from William Green, Ef quire , at Lewes, to 
William Henly, F. R. S. p. 46 3 
XXX. Of the Light produced by Inflammation . By George 
Fordyce, M. D. F. R. S . p. 504 
XXXI. Experiments on ignited Bodies . By John Roebuck, 
M. D. F. R . S. p. ^09 
XXXII. Experiments and Obfervations on a new Appara- 
tus, called, A Machine for exhibiting perpetual Ele&ri- 
city . In a Letter to the Rev . Dr. Horfley, Sec. R. S. 
from Mr. William Henly, F. R. S. P* 5 1 3 
XXXIII. Account of the Iron Ore lately found in Siberia. 
In a Letter to Dr. Maty, Sec. R . S. by Petr. Simon 
Pallas, M. D . F. R. S. p .523 
XXXIV. On the Cryjlallizations obferved on G/afs. By 
James Keir, Ef quire , of Stourbridge. Communicated 
by G. Fordyce, M. D. F. R. S. P* 530 
XXXV. A Belt on the Difc of Saturn defcribed in an ex - 
tradi of a Letter from Mr. MelTier, F. R. S. to Mr. 
Magellan, F. R. S. Dated Paris, May 29, 1776. 
P* 543 
XXXVI. An Account of fome poifonous Fifh in The South 
Seas. In a Letter to Sir John Pringle, Bart. P. R. S. 
from Mr. William Anderfon, late Surgeon's Mate on 
board His Majefly's Ship the Refolution, now Surgeon 
of that Ship. p.544 
XXXVIII. Experiments on ignited Subfiances. By Mr. 
Jo hn Whitehurft, in a Letter to James Stuart, Ef quire , 
F.R.S. P -5 75 
XXXIX. 
