XI 



On the cause of the discrepancies observed by Mr. Baily with the 

 Cavendish Apparatus for determining the Mean Density of the 

 Earth. By George Whitehurst Hearn, Esq., of the Royal Mihtary 

 College, Sandhurst ^ page 668 



Researches to determine the Number of Species and the Mode of 

 Development of the British Triton. By J. Higginbottom, Esq, 

 F.R.C.S 669 



On the Proper Motion of the Solar System. By Thom.as Galloway, 

 Esq. A.M. F.R.S 670 



On a new substance occurring in the Urine of a Patient with Molli- 

 ties Ossium. By Henry Bence Jones, M.D. F.R.S., Physician to 

 St. George's Hospital 673 



On Carbonic Acid as a Solvent in the process of Vegetation. By John 

 Davy, M.D. F.R.S 673 



An Account of the Hurricane of the 10th of October, 1846, at the 

 Havana, contained in a Despatch addressed to Viscount Palmer- 

 ston by Her Majesty's Commissioners at the Havana, dated the 

 24th of February, 1847 674 



Researches into the effects of certain Physical and Chemical Agents on 

 the Nervous System. By Marshall Hall, M.D. F.R.S. &c 674 



On the Nervous System of the Heart. By Robert Lee, M.D. F.R.S. 675 



On a Function of the Red Corpuscles of the Blood, and on the Process 

 of Arteriahzation. By George Owen Rees, M.D. F.R.S. &c 677 



Electro-Physiological Researches, 5th, 6th and 7th Series. By Carlo 

 Matteucci, Professor in the University of Pisa 678 



On different properties of Solar Radiation, producing or preventing a 

 deposit of Mercury on Silver Plates coated with Iodine, or its com- 

 pounds with Bromine or Chlorine, modified by coloured glass media 

 and the vapours of the atmosphere. By A. C. Claudet 679 



On the Value of Absolute Alcohol in Spirits of different Specific Gra- 

 vities. By George Fownes, Esq. F.R.S., Professor of Practical 

 Chemistry in University College, London 682 



On the existence of alternating diurnal Currents of Electricity at the 

 Terrestrial Surface, &c., and their connection with the Diurnal Va- 

 riation of the Horizontal Magnetic Needle. By W. H. Barlow, 

 Esq. M.LC.E 682 



On the Direction assumed by Plants during their growth. By Pro- 

 fessor Macaire, of Geneva 684 



On the Solution of Linear Differential Equations. By Charles James 

 Hargreave, Esq. B.L. F.R.S., Professor of Jurisprudence in Uni- 

 versity College, London 687 



Researches on the Function of the Intercostal Muscles and on the 

 Respiratory Movements, with some remarks on Muscular Power, in 

 Man. By John Hutchinson, M.R.C.S ... 691 



On the Structure and Development of the Liver. By C. Handfield 

 Jones, M.B. Cantab 693 



Postscript to Mr. W. H. Barlow's paper on Alternating Diurnal Cur- 

 rents of Electricity at the Terrestrial Surface 727 



Magnetical experiments on board H.M. Iron Steam Vessel ' Blood- 

 hound.' By Captain Edward Johnson, R.N. F.R.S 727 



