Vol. 66, Philosophical Magazine. Aug. 1825. 



Contents of Number 328. 



XI. On the Constitution of the Atmosphere. By J. Ivory, Esq. 

 M.A. F.R.S. fTo be continued) page 8 



XII. Abstracts of a Series of Papers lately read before the Royal 

 Society, &c on the Magnetism developed by Rotation. By Messrs. 

 Barlow, Christie, Babbage, Herschel, and Marsh 9 



XIII. On the Conditions of Possibility, Arbitrary Functions, and 

 Complete Solutions of Periodical Functional Equations. By John 

 Herapath, Esq 10 



XIV. On the Velocity of Sound. By Wm. Galbraith, Esq. . 10 



XV. Thoughts on the Demonstration of certain Formulae. By 

 T. S. Davies, Esq 11 



XVI. Chemical Examination of some Antiquities found in the 

 Vicinity of Brool on the Rhine. By Dr. Rudolph Brandes .... 12 



XVII. On Metallic Titanium. By Dr. Walchner, of Friburg, 

 in the Breisgau „ 12' 



XVIII. On Mr. Herapath's Demonstration of the Binomial 

 Theorem. By Y + Z 12( 



XIX. Notices respecting New Books : — Dr. Thomas Horsfield's 

 Zoological Researches in Java and the neighbouring Islands 12( 



XX. Proceedings of Learned Societies : — Prospectus of a School 

 of Mines in Cornwall, by John Taylor, Esq. F.R.S, Treas. Geol. S. 

 —-Royal Academy of Sciences of Paris 137 — IS! 



XXT. Intelligence and Miscellaneous Articles : — Additional Par- 

 ticulars of the Bitburg Meteoric Iron ; Brown Heematitic Iron-Ore 

 formed around Cast-Iron Pipes; The Re-discovery of the Comet of 

 Encke due to Mr. llumker, and not to Mr. Dunlop; New Comet; 

 PastorfF on the Solar Spots and Clouds ; Dr. Grant on the Existence 

 of the Pancreas in some Species of the Cuttle-Fish Tribe, and in the 

 Doris Argos Professor Hooker on Mr. Rudge's figure o( Trichomanes 

 elegans; The Menai Bridge near Bangor, Carnarvonshire; List of 

 New Patents; Meteorological Table 152— 16C 



*^* Communications for this Work received by the Editor, 

 38 Shoe-Lane, will meet with every attention. 



RICHARD TAYLOR, PRINTER, iSHOE-LANE, LONDON. 



