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Vou. 42. OcToBER 18H} 
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CONTENTS OF NuMBER 186. Si | 
Page. 
WH «XLII. Memoir on the Usefulness of Time-Keepers in the aN 
f Service of the Navy; and a Plan for introducing them with 
ms the best Prospect of Success to ensure their Accuracy at the 
~ least Expense. Communicated by Mr. Frxmrinter, late 
Assistant Astronomer at the Royal Observatory, Greenwich 
XLIIL. Notes and Observations on the Introduction and 
Keay three first Chapters, of Mr. Ropert Bakewewt’s “ Introduc- 
@ tion to Geology ;”—embracing incidentally, several new Points 
RS of Geological Investigation aud Theory. By Mr. Jonn 
\ Farry Sen., Minera! Surveyor e - ry 
\ XLIV. On Siectricity. By Mr. Gzorce Joun SincER, 
swiiy Lecturer on Chemical and Experimental Philosophy — -. 
ea XLV. An Attempt to determine the definite and simple 
| js Proportions, in which the constituent Parts of unorganic 
© Substances are united with each other. .By Jacos Berze- 
t1us, Professor of Medicine and Pharmacy, and M,R.A. 
Stockholm = : - = : 2 2 =y 
XLVL. Researches irio the Anatomy of Plants. By H. F. 
% Link, of Bres'au, formerly of Rostock - : 
NE XLVI. On a. Method of Freezing at a Distance. — y 
\ Wirxtiam Hype Wottaston, M.D. Sec. R.S. - : 
2m} XLVIIL Climate and Diversions in the Northern Parts of 
wi? British India. Extracted from a Letter from an Officer in. 
fat the Army - : - - - . 
Kise XLILX. On some Properties of Light. By Davip Brew- 
& srex, £..L.D.F.R.S. Edin. Ina Letter to Sir H. Davy, 
NV LL.D. E.R.S. : : 4 
} ¥. On changeable Colours and Glories. By Tuomas 
* Younc, M.D. FBS. L.S. &c, = - : - 
LI. Researches upon the Heat. developed in Combustion, 
and in the Condensation of Vapours. Read betore the French 
NY Institute on the 24th of February and goth of November 1812. 
i By Count Rumrorn, F.R.S. Foreign Associate of the Im- 
perial Institute of France, &c, &c. - - - 
LIL. Intelligence and Miscellaneous Articles:—Roman - 
4} Antiquities discovered in the Kingdom of Westphalia; An- 
‘ Say srapitice found in East Lothian; Coal in Greenland; Experi- 
N ments on Honey; Cure ‘ur Croup ; Mushroom of Kamtschat- 
ica ka; Massacre by Natives of Vancouver's Island; barthquake 
5 at Teneriffe; Extraordinary Fresh of the Mississippi, &c. ; 
“@ New Publications; Patents; Meteorological Table, &c. 307-—320 
Ky 
*,* Communications for this Work, addressed to the Editor, ¥ 
‘9 Pickett-Place, Temple Bar, will meet with every attention. 
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R.TAYLOR AND €O. PAINTERS, SHOK LANE, FLEET STREET, LONDON: } J 
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