V 



by the late James Coggan, Esq., and bequeathed by him to the 

 Royal Society. By Roderick Impey Murchison, Esq. F.R.S. 

 V.P.G.S.&c page 72 



On the action of light upon the colour of the River Sponge. By 

 John Hogg, M.A. F.L.S. C.P.S. &c. Fellow of St. Peter's College, 

 Cambridge 72 



Researches on the Tides. ^ — Ninth Series. On the deduction of the 

 Laws of the Tides, from short Series of Observations. By the Rev. 

 W. Whewell, M.A. Trin. Coll., Cambridge 72 



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

 F.R.S. E. Fellow of the Royal College of Physicians in Edinburgh 73 



Contributions to the Physiology of Vision. By Charles Wheatstone, 

 Esq. F.R.S. Professor of Experimental Philosophy in King's Col- 

 lege, London. — Part the First. On some Remarkable and hitherto 



unobserved Phenomena of Binocular Vision 76 



Experimental Researches in Electricity. — Fourteenth Series. On the 

 general nature and relation of the Electric and Magnetic Forces. 

 By Michael Faraday, Esq. D.C.L. F.R.S. &c 77 



Experiments on the Vibration of the Pendulum. By W. J. Frodsham. 78 



An Account of some Experiments on the Blood in connexion with the 

 Theory of Respiration. By John Davy, M.D. F.R.S. Assistant 

 Inspector of Army Hospitals 78 



On the Geometrical Forms of Turbinated and Discoid Shells. By the 

 Rev. H. Moseley, Professor of Natural Philosophy and Astronomy 

 in King's College, London 79 



On the relative attractions of Sulphuric Acid for water, under par- 

 ticular circumstances : with suggestions of means of improving the 

 ordinary process of manufacturing Sulphuric Acid. By Henry 

 Hugh Watson, Esq. Corresponding Member of the Manchester 

 Philosophical Society 81 



Discovery of the Source of the Oxus. By Lieut. Wood, of the Indian 

 Navy '. 83 



On the State of the Interior of the Earth. By W. Hopkins, Esq, 

 M.A. F.R.S. F.R.A.S. &c 83 



Experimental Researches in Electricity. — Fifteenth Series. Note of the 

 Character and Direction of the Electric Force of the Gymnotus. 

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



On the Curvature of Surfaces. By John R. Young, Esq 112 



1839. 



On the Laws of Mortality. By Charles Jellicoe, Esq 115 



On the state of the Interior of the Earth. By W. Hopkins, Esq. 

 A.M. F.R.S. — Second Memoir. On the Phsenomena of Precession 

 and Nutation, assuming the Fluidity of the Interior of the Earth... 115 



Appergu sur une maniere nouvelle d'envisager la theorie cristallogra- 

 phique dans le but d'etablir les rapports de celle-ci avec la forme 

 spherique, ou elliptique, des molecules, ainsi qu'avec I'effetdes mi- 

 lieux sur la forme cristalline. Par M. L. A. Necker 11^ 



