CONTENTS 
OF THE SIXTY-SEVENTH VOLUME. 
A NEW Catalogue of Meteoric Stones, Masses of Meteoric 
Iron, and other Substances, the Fall of which has been made 
known, down to the present Time. By E. F. F. Cutapnt 
Page 3 
An Account of some Eudiometers of an improved Construction. 
By Rosert Hare, M.D. Professor of Chemistry in the 
University of Pennsyluania -. - + + + + sss 21 
On the Theory of the Figure of the Planets contained in the 
Third Book of the Mécanique Céleste. By J. Ivory, Esq. 
PL SE Eee, ipsen ya eg ey \ ROR EE Ee ORS 5 ee eae | 
Sequel of the Memoir of M. AMPERE on a new Electro-dynamic 
Experiment, on its Application to the Formula representing 
the mutual Action of the two Elements of Voltaic Conductors, 
and on new Results deduced from that Formula . . . 37 
On the Theory of Evaporation. By THos. TrepGoxn, Esq. 45 
Reply to the Remarks of Mr. Rippie on the Double Altitude 
Problem. By James Burns, Esq. - + + + + + 47 
Demonstration of Mr. Levy’s Property of the regular Octahe- 
dron ;—with a Postscript on P. Q’s Defence of Mr, Hena- 
patu’s Demonstration. By T.S. Davies, Esq. . . 52 
On the Comet of 1825. By Tuomas Sguire, Esq. . « 55 
On the Planet Saturn. By M. Smiru, Esq . - «© - 57 
Further Researches on the Preservation of Metals by Electro- 
_ chemical Means. By Sir Humpury Davy, Bart. Pres. B.S. 
89 
Reply to Mr. Davtes’s Postscript on Mr. Herapatn’s De- 
- monstration. By P.Q.. - - + + +: 3 101 
Notice of a Meteoric Stone which fell at Nanjemoy, in Mary- 
land, North America, on February 10, 1825. By Dr. Sam. 
D. Carver. Jn a Letter to Professor SuuuimaAN «+ 102 
Analysis of the Maryland Aérolite. By Georcr CHILTON, 
Lecturer on Chemistry, 5c. » + + + + # © + 8 104 
Vol. 67. . a 
