il CONTENTS. 
ART. PAGE 
XI. Some Hints on a Mode of procuring Soft Water at Tunbridge 
Wells, and on the Danger of the improper Use ofits Mineral 
Springs, with incidental Observations on Lead. By G. D. 
Yeats, M.D., F.R.S., Fel. of the Roy. Col. of Physicians . 345 
XII. An Investigation of the Methods used for approximating to 
the Roots of Affected Equations. By Davies Gitzert, Esq., 
FOR.S, PUES. S60... 5) «pits ee ieee ee 
XIII. Proceepines or THE Royat Society . ... . «306 
REVS ANALYsIs OF ScreNTIFIC Books. 
i. Pharmacologia ; comprehending the Art of prescribing upon 
fixed and scientific Principles, together with the History of Medici- 
nal Substances. By J. A. Paris, M.D., F.R.S.&c.. . . . 359 
ii. Philosophical Transactions of the Royal Society of London, 
for the year MDCCCXXIE. Parril........ . . 87, 
5 
_i, An elementary Treatise on Mineralogy and Geology, designed 
or the use of Pupils, for Persons attending Lectures on these Sub- 
jects, and as a Companion for Travellers in the United States of 
America. Illustrated by Six Plates. By Parker CLEAVELAND, 
Professor of Mathematics, &c., in Bowdoin College . . . . 391 
XV. AsTRONOMICAL and Nauticat Cotuections. No. XIL. 
i.. Remarks on the Zodiac of Dendera, by the Author of the ar- 
ticle “Egypt,” and by Mr. Champollion, jun. . . . . . . . 402 
ii. Extract from Laplace's History of Astronomy . . . . . 410 
iii, Elements of a Comet, communicated by Professor Schu- 
macher PICS ikte Me PEM ort eal 
iv. Remarks on the Geocentric Latitude of the Americans, as 
applicable to Occultations - 412 
XVI. Procress or Foreign Science . ...... . 415 
XVII. MisceLLANgEous INTELLIGENCE. 
I. Mecuanicant Science. 
1. Addition to a Memoir on the Theory of Elastic Fluids, by 
