TO CORRESPONDENTS. 



Communications have been received from the Rev. P. Keith, F.L.S. ; Rev. M. J. 

 Berkeley ; Rev. F. W. Hope, F.R.S. ; W. Yarrell, F.L.S. ; Prof. C. Morren, of 

 Liege; Prof. A. Wiegmann, of Berlin; F. Walker, Esq., F.L.S.; E.Forbes, 

 Esq., F.R.S. E. ; G. Dickie, Esq.; Rev. L. Jenyns; Rev. J. Bunch, F!sq. ; and 

 Prof. Meyen, of Berlin. 



Just Published. Price Sixpence. 

 THE TREASURY AND THE ROYAL EXCHANGE. 



A LETTER to SIR ROBERT HENRY INGLIS, Bart., LL.D., 

 F.R.S., &c, Member of Parliament for the University of Oxford, on the 

 Conduct of the Lords of the Treasury with regard to the Gresham Trusts and the 

 Rebuilding of the Royal Exchange. By RICHARD TAYLOR, F.S.A., F.L.S. 



Sherwood, Gilbert, and Piper, Paternoster Row. 



THE LONDON AND EDINBURGH 

 PHILOSOPHICAL MAGAZINE, AND JOURNAL OF SCIENCE; 



CONDUCTED BY 



SIR DAVID BREWSTER, F.R.S., RICHARD TAYLOR, F.L.S., 



AND RICHARD PHILLIPS, F.R.S. 

 Contents of No. 88 for MARCH 1839. 



On the General Magnetic Relations and Characters of Metals. By Prof. 

 Faraday. 



Notice on the Theory of the iEthers. By Prof. R. Kane. 



Researches in the Undulatory Theory of Light : — On the Elliptical Polarization 

 produced by Quartz. By J. Tovey, Esq. 



On a Remarkable Property of Arteries considered as a Cause of Animal Heat. 

 By J. M. Winn, M.D. 



On the Passage of the Moon across the Pleiades in March, August, September, 

 and November, 1839. By the Rev. J. Grooby, F.R.S. (With a Chart.) 



Meteorological Observations during a Residence in Columbia between the years 

 1820 — 1830. By Col. Richard Wright, Governor of the Province of Loxa, &c. 



On the Colour of Steam. By Thomas Webster, M.A. 



Some Remarks on Hydrocyanic Acid. By J. T. Cooper, Esq. 



On the Motion and Rest of Rigid Bodies. By Prof. J. Sylvester. 



On the Colours of Mixed Plates. By Sir David Brewster, K.G.H., F.R.S. 



Some account of the Art of Photogenic Drawing. By J. F. Talbot, Esq. 



With Proceedings of the various Learned Societies, Miscellaneous Articles, 

 Meteorological Observations, &c. 



R. and J. E. Taylor, Red Lion Court, Fleet Street. 



