XI 



Statement of Facts relating to the Discovery of the Composition of 

 Water by the Hon. H. Cavendish. In a Letter from J. J . Bennett, 

 Esq., F.R.S., to Sir B. C. Brodie, Bart., P.R.S., dated February 

 12, 1859 page 642 



On the Influence of White Light, of the different Coloured Rays, 

 and of Darkness on the Development, Growth, and Nutrition of 

 Animals. By Horace Dobell, M.D., Licentiate of the Royal Col- 

 lege of Physicians, &c. &c 644 



On the Intensification of Sound through Solid Bodies by the Inter- 

 position of Water between them and the distal extremities of 

 Hearing-Tubes. By S. Scott Alison, M.D., Assistant-Physician 

 to the Hospital for Consumption 649 



Researches on the Phosphorus-Bases. No. IV. Diphosphonium- 

 Compounda. By A. W. Hofmann, LL.D., F.R.S 651 



On the Different Types in the Microscopic Structure of the Skeleton 

 of Osseous Fishes. By A. Kolliker, Professor of Anatomy and 

 Physiology in the University of Wurzburg 656 



On the Physical Phenomena of Glaciers. Part II. By Dr. Tyndall, 

 F.R.S 668 



On an Experiment in which the Stratifications in Electrical Discharges 

 are destroyed by an interruption of the Secondary Circuit. By 

 J. P. Gassiot, Esq., F.R.S 671 



Researches on Organo-Metallic Bodies ; 4th Memoir. By Edward 

 Frankland, Ph.D., F.R.S., Lecturer on Chemistry at St. Bartholo- 

 mew's Hospital 672 



Letter from James P. Muirhead, Esq., to Sir Benjamin C. Brodie, 

 Bart., Pres. R.S., dated March 8, 1859, relating to the Discovery 

 of the Composition of Water 679 



New Volatile Organic Acids, from the Berry of the Mountain Ash. 

 By A. W. Hofmann, LL.D., F.R.S 681 



Further Remarks on the Organo-metallic Radicals, Mercuric, Stannic, 

 and Plumbic Ethyl. No. III. By George Bowdler Buckton, Esq., 

 F.R.S., F.L.S., F.C.S 7. 685 



On Muscular Action from an electrical point of view. By Charles 

 Bland Radcliffe, M.D., F.R.C.P., Physician to the Westminster 

 Hospital, &c 690 



On the Action of Carbonic Oxide on Sodium-alcohol. By J. A. 

 Wanklyn, Esq 697 



Postscript to a Paper " On the Deflection of the Plumb-line in India, 

 caused by the Attraction of the Himalayan Mountains." By the 

 Venerable Archdeacon Pratt 701 



On the Conic of Five-pointic Contact at any point of a Plane Curve. 

 By A. Cayley, Esq., F.R.S 702 



On the Vertebral Characters of the Order Pterosauria (Ow.) as 

 exemplified in the Genera Pterodactylus (Cuv.) and Dimorphodon 

 (Ow.). By Professor Owen, F.R.S. &c .703 



