JOURNAL OF THE ROYAL INSTITUTION. 



AMONG the Original Papers in the SECOND NUMBER, published 

 on the 3st of February, 1831, are the following: 



On the Decomposition of the Vegetable Alkaline Salts, by W. T. 

 Brande, Esq. F.R.S., &c. &c. On a peculiar Class of Optical Deceptions, 

 by Michael Faraday, Esq. F.R.S. &c. &e. On the Mode of ascertaining 

 the Commercial Value of Manganese, by Edward Turner, M.D., F.R.S., 

 &c. &c., Professor of Chemistry in the London University. On the Mag- 

 netic Curve, by Peter Mark Roget, M.D., Secretary of the Royal Society, 

 c. On the Construction of Arches, by M. Lassaulx, Architect to the 

 King of Prussia, communicated by Professor Whewell. On Vomiting, 

 by Marshall Hall, M.D., c. &c. On Stuttering, by the Same. On the 

 Aurora Borealis of the 7th January, 1831, by S. H. Christie, Esq. 

 F.R.S., &c. &c. On the Performance of the Magnetism in Steel Bars, by 

 the Same. On the Invention of the Telescope, by Professor Moll of 

 Utrecht. On the Rainbow, by Alfred Ainger, Esq. On the last Erup- 

 tion of Mount Vesuvius, by Dr. Donati. On a New Comet, by Professor 

 Dabadie. On Induced Phosphorescence, by Thomas Pearsall. Descrip- 

 tion of a new Hydraulic Syphon, by Mr. Almond. With the usual Mis- 

 cellaneous Scientific Intelligence, &c. &c. 



JOHN MURRAY, Albemarle Street. 



Just Published, by J. SOUTER, School Library, 73 St. Paul's 

 Church-yard, 



A N ELEMENTARY ESSAY on the COMPUTATION of LO- 

 A\. GARITHMS, intended as a Supplement to the various Books 

 on Algebra. By J. R. YOUNG. Price C 2s. 6d. 



2. AN ELEMENTARY TREATISE on ALGEBRA, THEORE- 

 TICAL and PRACTICAL ; with an Attempt to simplify some of the 

 more difficult Parts of the Science, particularly the Demonstration of the 

 Binomial Theorem in its most general Form j the Solution of Equations 

 of the Higher Orders ; the Summation of Infinite Series, &c. By J. R. 

 YOUNG. 8vo, boards, 10s. 6d. 



3. ELEMENTS of GEOMETRY; containing a New and Universal 

 Treatise on the Doctrine of Proportion : with NOTES, in which are pointed 

 out and corrected several important Errors that have hitherto remained 

 unnoticed in the Writings of Geometers. By J. R. YOUNG. 8vo. 

 boards, 8s. 



4. THE ELEMENTS of ANALYTICAL GEOMETRY ; compre- 

 hending the Doctrine of the Conic Sections, and the general Theory of 

 Curves and Surfaces of the Second Order ; with a variety of Local Pro- 

 blems on Lines and Surfaces. Intended for the Use of Mathematical 

 Students in Schools and Universities. By J. R. YOUNG. 12mo. 7s. 

 cloth. 



5. A BRIEF TREATISE on the USE AND CONSTRUCTION 

 OF A CASE OF MATHEMATICAL INSTRUMENTS ; containing 

 a copious Explanation of each, particularly of the Sector, the Lines on 

 which are separately treated of, and their Use shown in solving several 

 Cases of Trigonometry : the whole designed to give the young Student a 

 Knowledge in using his Instruments, and constructing Geometrical 

 Figures with accuracy. By GEORGE PHILLIPS, Queen's College, 

 Cambridge. New Edition. 2s. 6d. 



