CONTENTS, ee 
Thomas Gisborne, M. A.—Communicated by 
Re? PTCA VGA Lice nak acd ong bin an cnn geo MAUD. Leta p- 70 
On an Universal Character; in a Letter 
from James Anderson, L. L. D. F. R.S. 
F.A.S.S, &c. &c. to Edward Holme, M. D. p. 89 
The Inverse Method of Central Forces.—Com- 
municated by Dr. HOlMe..--.-++sc--c-scseseeeesees p- 102 
Observations on Iron and Steel. By Joseph 
DT ERRORS Saeed Ret Rae p. 109 
Remarks on Dr. Priestley’s Experiments and 
Observations relating to the Analysis of Atmos- 
pherical Arr, and his Considerations on the Doc- 
tine of Phlogiston and the Decomposition of Wa- 
ter. By Theophilus Lewis Rupp .......-.... p- 123 
An Account of three Different Kinds of Tim~ _ 
ber Trees, which are likely to prove a great Ac- 
quisition to this Kingdom, both in Point of Profit 
and as Trees for Ornament and Shade. By 
‘Charles White, Esq. F. R, S. -----c--eessner-one p- 163 
An Analysis of the Waters of two Mineral 
Springs at Lemington Priors, near Warwick ; 
including Experiments tending to elucidate the Ori- 
gin of the Muriatic Acid. By William Lambe, 
M.A. late Fellow of St. Fohn’s College Cam- 
bridge-—Communicaicd by Dr. Holme «++... P- 174 
