Vlll CONTENTS OF VOL. XXIV. FOURTH SERIES. 



Page 

 NUMBER CLXIV.— SUPPLEMENT. 



Prof, von Kobell on Asterism and Brewster's Luminous Figures. 



(With Three Plates.) 497 



Archdeacon Pratt's Geometrical Proof of the fundamental prin- 

 ciple of Laplace's Functions 504 



Archdeacon Pratt's Postscript to a Paper " On Tests of the 



Truth of the Fluid Theory of the Figure of the Earth " . . . . 507 

 Lieut. -Colonel A. Strange on Aluminium Bronze as a Material 



for the Construction of Philosophical Instruments 508 



Mr. A. Cayley on the Skew Surface of the Third Order .... 514 



Dr. Atkinson's Chemical Notices from Foreign Journals 519 



Mr. J. Cockle on the Correlations of Analysis 531 



Mr. R. P. Greg on some Meteorites in the British Museum, &c. 534 

 Proceedings of the Royal Society : — 



Major- General Sabine on the Photographic Records of the 



Kew Declinometer in the years 1858-61 542 



Dr. Hofmann on the Colouring Matters from Aniline. . . . 547 

 Dr. Phillips on a Systematic Representation of the Physical 



Aspect of the Moon 555 



On a remarkably easy Mode of approximating to the Circumfe- 

 rence of the Circle, by S. M. Drach, F.R.A.S., F.R.G.S. . . 560 

 On the Solar Energy as manifested in the autumn of 1861 and 

 a portion of the spring of 1862, by W. R. Birt, Esq 561 



PLATES. 



o 



I. Illustrative of M. A. J. Angstrom's Paper on the Fraunhofer-lines 

 visible in the Solar Spectrum ; M. Beetz's Paper on the Colour 

 of Water ; and Prof. Regnault's Paper on the Determination of 

 Temperatures and Pressures in Balloon-Ascents. 



II. III. IV. Illustrative of Prof, von Kobell's Paper on Asterism and 

 Brewster's Luminous Figures. 



ERRATA IN VOL. XXIII. 



Page 448, for line 2 read 



-§(^ 2 -^- 1 ^ 2 ) + ^(/3r 3 -(/3-l)^y|. 



Page 459, line 14 from top, for 10989 read 114 57. 



— — 15 — for 61-46 read 66-02. 



— — — 23, 38, — for results read result. 



— — 31, — for 5*64 read 6 - 06. 



— 521, dele note *. 



CORRIGENDA IN VOL. XXIV. 



Page 38, line 13, for cb' read ac'. 

 — 39, — 2, for A read A 2 . 



[Note. A=aA 2 ] 



