V 



On the supposed Properties of the Electric and Magnetic Fluids. By 

 W. F. Stevenson, Esq. F.R.S .page 511 



De I'Education des Animaux ; faisant suite a Touvrage public en 1842, 

 et qui a pour titre Essai sur I'Education des Animaux. Par St. 

 Leonard de Lille, Membre de diverses Societes scientifiques, et de 

 I'Athenee des Arts de Paris, et son Employe des Finances. Pre- 

 miere partie de I'lnstitut et de i'lntelligence. Education et Civilisa- 

 tion 511 



On the Action of the Sun's Rays on Lithic Acid. By John Davy, 

 M.D. F.R.S. Lond. and Edinb , 512 



An Account of the New^tonian Dial presented to the Royal Society, in 

 a letter to the President. By the Rev. Charles Turner, F.R.S. ... 513 



On the Non- coincidence of the Focus of the Photogenic Rays with 

 that of the Visual Rays of the Solar Spectrum. By M. A. Claudet 513 



Observations on some of the Nebulae. By the Earl of Rosse, F.R.S.. 513 



On the Structure of the Ultimate Fibril of the Muscle of Animal 

 Life. By Erasmus Wilson, Esq., Lecturer on Anatomy and Physi- 

 ology in the Middlesex Hospital ; in a Letter addressed to Peter 

 Mark Roget, M.D., Sec. R.S 514 



On the Comparative Anatomy of the Thyroid Gland. By John 

 Simon, Esq., Assistant Surgeon to King's College Hospital, and 

 Demonstrator of Anatomy in King's College 515 



On the Resolution of Numerical Equations. By Joseph Agar, M.D., 

 Fellow of the Royal College of Physicians 515 



On the Reproduction of lost parts in Myriapoda and Insecta. By 

 George Newport, Esq. F.R.C.S., President of the Entomological 

 Society of London, and Corresponding Member of the Philomathic 

 Society of Paris 516 



On the Changes of Temperature produced by the Rarefaction and 

 Condensation of Air. By James Prescott Joule, Esq 517 



On the Laws of the Tides on the Coast of Ireland, as inferred from an 

 extensive series of observations made in connexion with the Ord- 

 nance Survey of L-eland. By George Biddell Airy, Esq. F.R.S., 

 Astronomer Royal 539 



1845. 



On the Liquefaction and Solidification of Bodies generally existing as 

 Gases. By Michael Faraday, Esq. F.R.S. D.C.L. &c 540 



Observations de la Declinaison et de I'lntensite Horizontales Mag- 

 netiques observees a Milan pendant vingt-quatre heures consecutives 

 le 29 et 30 de Decembre 1844. Par M. Carlini 542 



Remarks having reference to the Earthquake felt in Demerara on the 

 morning of the 30th of August 1844. By Daniel Blair, Esq., Colo- 

 nial Surgeon of British Guiana 542 



An Account of the artificial formation of a Vegeto-alkali. By George 

 Fownes, Esq., Chemical Lecturer in the Medical School of the Mid- 

 dlesex Hospital 542 



On a new Bleaching Principle produced by the slow Combustion of 

 ^ther in Atmospheric Air, and by the rapid Combustion of Bodies 



