THE

LONDON, EDINBURGH, and DUBLIN

PHILOSOPHICAL MAGAZINE

AND

JOURNAL OF SCIENCE.

CONDUCTED BY

SIR DAVID BREWSTER, K.IJ. LL.D. F.11.S.L.&E. &c. RICHARD TAYLOR, F.L.S. G.S. Astr.S. Nat.H.Mosc. &c. RICHARD PHILLIPS, F.R.S.L.&E. F.G.S. &c. ROBERT KANE, M.D. M.ll.I.A.

“ Nec aranearum sane textus iileo metior quia ex se fila gignunt, nec noster vilior quia ex nlienis libamus ut apes.” Just. Lira. Polit. lib. i. cap. 1. Not.

VOL. XXVIi;

NEW AND UNITED SERIES OF THE PHILOSOPHICAL MAGAZINE, ANNALS OF PHILOSOPHY, AND JOURNAL OF SCIENCE.

JULY—DECEMBER, 1845.

LONDON:

RICHARD AND JOHN E. TAYLOR, RED LION COURT, FLEET STREET,

Printers and Publishers to the University of London;

SOLD BY LONGMAN, BROWN, GREEN, AND LONGMANS; CADELL; SIMPKIN, MARSHALL AND CO.; S. HIGHLEYJ WHITTAKER AND CO.; AND

SHERWOOD,'GILBERT, AND PIPER, LONDON: - BY ADAM AND

CHARLES BLACK, AND THOMAS CLARK, EDINBURGH; SMITH AND SON, GLASGOW; HODGES AND SMITH, DUBLIN:

AND G. W. M. REYNOLDS, PARIS.

CONTENTS OF VOL. XXVII,

(THIItD SERIES.)

NUMBER CLXXVII.—JULY, 1845.

Page

Prof. Faraday on the Magnetic Relations and Characters of the

Metals .......................................... 1

Dr. J. Stenhouse on the Products of the Distillation of Benzoate of Copper.................................... 3

Mr. G. G. Stokes on the Aberration of Light.............. 9

Mr. W. De la Rue on the Structure of Electro-precipitated

Metals (with a Plate) .............................. 15

Dr. A. W. Hofmann on the true Composition of Chlorindatmit iO Mr. T. Richardson’s Analyses of Farm-Yard Manure, and of

Coal-Gas ........................................ 23

Mr. R. Hunt’s Contributions to Actino-Chemistry.......... 25

Experiments on the Electric Discharge of*the Jar. (Extract of

a letter from M. Matteucci to M. Arago.) .............. 35

Mr. A C'iijlvy ui\ Algebraical l/ouplo ........ .... 38

Mr. E. J. Lvw l on a Ph&iiuiueaon in which the* distant objects were seen inverted ........................... 41.

Mr. E. J. Lowe on a Magnificent Meteor seen in Nottinghamshire ............................................ 41

The Rev. B. Bronwin's Reduction of the Four Forms of u) in Jacobi’s General Transformation of an Elliptic Function to

one form only .............:...................... 4*2

Mr. R. Moon on Fresnel’s Theory of Diffraction .......... 46

Proceedings of the Royal Society........................ 52

-Cambridge Philosophical Society........ 56

-Royal Astronomical Society............ 60

Meteorological .Observations for May 1845...... ......... 71)

Meteorological Observations made by Mr. Thompson at the Garden of the Horticultural Society at Chiswick, near London; by Mr. Veall at Boston; by the Rev. W. Dunbar at Applegarth Manse, Dumfries-shire ; and by the Rev. C. Clouston at Sandwick Manse, Orkney.................. 80

NUMBER CLXXVIII.—AUGUST.

Prof. W. A. Miller’s Experiments and Observations on some Cases of Lines in the Prismatic Spectrum produced by the passage of Light through Coloured-Vapours and Gases, and from certain Coloured Flames. (With two coloured Plates.) 81

a 2