CONTENTS OF N 52. New Series. 



XLI. On the Computation of the Moon's Motion in Right Ascen- 

 sion. By FRANCIS BAILY, Esq. F.R.S. &c. &c page 241 



XLII. Errata in Weisse's Planetary Tables. By A CORRESPON- 

 DENT 24-5 



XLIII. On the Rectification of Curves. By Mr. CHARLES GILL. 250 



XLIV. Remarks on the Demonstrations of the Theorems of La- 

 grange and Laplace for the Expansion of Functions, given by Dr. 

 Lardner and M. Lacroix ; with a Demonstration of those Theorems. 

 By Mr. JAMES GORDON 253 



XLV. An Examination of those Phenomena of Geology, which 

 seem to bear most directly on Theoretical Speculations. By the Rev. 

 W. D. CONYBEARE, M.A. F.R.S. F.G.S. &c 258 



XL VI. On the Reduction to the Meridian. By S. SHARPE, Esq. 

 F.G.S 270 



XL VII. Proceedings of Learned Societies : Anniversary of the 

 Geological Society Address to the Geological Society, by the Pre- 

 sident, the Rev. ADAM SEDGWICK, M.A. F.R.S. &c., on announcing 

 the first award of the Wollaston Prize to Mr. Smith ; Address to 

 the Geological Society, delivered on the evening of the Anniversary 

 by the Rev. Professor SEDGWICK, M.A. F.R.S. &c. on retiring from 

 the President's Chair 271-317 



XL VIII. Intelligence and Miscellaneous Articles : On the Hard- 

 ness of Copper Slag as a Material for Roads, by B. BEVAN, Esq. ; 

 Lectures on Geology at the University of London, by Mr. J. PHIL- 

 LIPS, F.G.S. ; New Scientific Books ; Lunar Occultations of Planets 

 and Fixed Stars by the Moon, in April 1831; Meteorological Ob- 

 servations for February 1831, Table, &c 317-320 



It is requested that all Communications for this Work may be addressed, 

 post paid, to the Care of Mr. R.Taylor, Printing Office, Red Lion Court, 

 Fleet Street, London ; where complete Sets of the Old Series of the Phi- 

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