VII 



Note respecting a new kind of Sensitive Paner. By Henry Fox Talbot, 

 Esq. F.R.S r page 134 



On a new equi-atomic compound of Bicyauide with Binoxide of Mer- 

 cury, By James F. W. Johnston, Esq. F.R.S 135 



On the Constitution of the Resins. — Part 1. By James F. W. John- 

 ston, Esq. F.R.S 135 



Researches in Embryology. — Second Series. By Martin Barry, M.D. 

 F.R.S.E. Fellow of the Royal College of Physicians in Edinburgh.. 136 



On the Motion of the Blood. By James Carson, M.D. F.R.S 140 



Account of Experiments on Iron-built Ships, instituted for the pur- 

 pose of discovering a Correction for the Deviation of the Compass 

 produced by the Iron of the Ships. By George Biddell Airy, Esq. 

 M.A. F.R.S. Astronomer Royal 141 



On the Visibility of certain Rays beyond the Ordinary Red Rays of 

 the Solar Spectrum. By J. S. Cooper, Esq., in a letter to Michael 

 Faraday, Esq. D.C.L. F.R.S. &c 146 



Fifth letter on Voltaic Combinations ; with some account of the 

 eflfects of a large Constant Battery : addressed to Michael Faraday, 

 Esq. D.C.L. F.R.S. Fullerian Professor of Chemistry in the Royal 

 Institution of Great Britain. By John Frederic Danieil, Esq. F.R.S. 

 Professor of Chemistry in King's College, London 147 



An Experimental Inquiry into the Influence of Nitrogen in promoting 

 Vegetable Decomposition, and the connexion of this process with 

 the Growth of Plants. By Robert Rigg, Esq 148 



Experiments on the Chemical Constitution of several bodies which un- 

 dergo the Vinous Fermentation, and on certain results of the Che- 

 mical Action. By Robert Rigg, Esq. F.R.S 149 



Researches on the Tides. — Tenth Series. On the Laws of Low Water 

 at the Port of Plymouth, and on the permanency of mean water. 

 By the Rev. W. Whewell, B.D. F.R.S. Fellow of Trinity College, 

 Cambridge 152 



Researches on the Tides.— Eleventh Series. On certain Tide Obser- 

 vations made in the Indian Seas. By the Rev. W. Whewell, B.D. 

 F.R.S. Fellow of Trinity College, Cambridge 152 



On the Electrolysis of Secondary Compounds. In a letter addressed 

 to Michael Faraday, Esq. D.C.L. F.R.S. Fullerian Professor of 

 Chemistry in the Royal Institution of Great Britain, &c. By John 

 Frederic Danieil, Esq. F.R.S. Professor of Chemistry in King's Col- 

 lege, London , , 153 



Experimental Researches on the mode of operation of Poisons. By 

 James Blake, Esq 155 



Inquiries concerning the Elementary Laws of Electricity.— Third 

 Series. By W. Snow Harris, Esq. F.R.S , 156 



On the Conditions of Equilibrium of an Incompressible Fluid, the 

 particles of which are acted upon by Accelerating Forces. By James 

 Ivory, Esq. K.H. M.A. F.R.S, &c. 157 



Report of a Geometrical Measurement of the Height of the Aurora 

 Borealis above the Earth. By the Rev. James Farquharson, LL.D. 



