V 



On the Theory of the Elliptic Transcendents. By James Ivory, A.M. 



An Experimental Investigation of the Phenomena of Endosmose and 

 Exosmose. By William Ritchie, Esq. M.A. F.R.S. Professor of 

 Natural Philosophy in the Royal Institution of Great Britain Gl 



On the Tides in the Port of London. By J. W. Lubbock, Esq. V.P. 

 and Treas. R.S 62 



On the Friction of Fluids. By George Rennie, Esq. V.P.R.S 63 



On the Sources and Nature of the Powers on which the Circulation of 

 the Blood depends. By A. P. W. Philip, M.D. F.R.S. L. & Ed. ... 64 



A critical and experimental Inquiry into the Relations subsisting be- 

 tween Nerve and Muscle. By Wm. Charles Henry, M.D. Physi- 

 cian to the Manchester Royal Infirmary 64 



Experiments on the Length of the Seconds' Pendulum ; made at the 

 Royal Observatory at Greenwich. By Captain Edward Sabine, of 

 the Royal Regiment of Artillery, F.R.S 66 



On recrossed Vision ; being the Description of a distinct Tribe of 

 ocular Phenomena, supplementary to a Rationale of the Laws of 

 cerebral Vision, recently published. By John Fearn, Esq 66 



On the Thermostat or Heat Governor, a self-acting physical Appara- 

 tus for regulating Temperature; constructed by Andrew Ure, M.D. 

 F.R.S 67 



On the Determination of the Thickness of Solid Substances, not other- 

 wise measurable, by Magnetic Deviations. By the Rev. William 

 Scoresby, F.R.S. Lond. and Edin. Corresponding Member of the 

 Royal Academy of Sciences of Paris, &c 67 



On a new Register Pyrometer for measuring the Expansion of Solids. 

 Part II. By J. F. Daniell, Esq. F.R.S. Professor of Chemistry in 

 King's College, London 69 



On the Influence of Screens in arresting the progress of Magnetic Ac- 

 tion. By William Snow Harris, Esq. F.R.S 69 



On the Power of Masses of Iron to control the attractive Force of a 

 Magnet. By William Snow Harris, Esq. F.R.S 69 



On the Atmosphere of Mars. By Sir James South, F.R.S 71 



On the Inflexion of Light. By John Barton, Esq 72 



Researches in Physical Astronomy — On the Theory of the Moon. By 



J. W. Lubbock, Esq. V.P. and Treasurer of the Royal Society ... 75 



On the Tides. By J. W. Lubbock, Esq. V.P. and Treasurer of the 

 Royal Society 75 



On the Structure of the Human Placenta and its connection with the 

 Uterus. By Robert Lee, M.D. F.R.S. Physician to the British 

 Lying-in Hospital 75 



Facts adduced in refutation of the assertion that the Female Omitho- 

 rhynchus Paradoxus has Mammas. By Sir Everard Home, Bart. 

 F.R.S 77 



On an Inequality of long Period in the Motions of the Earth and 

 Venus. By George Biddell Airy, A.M. Plumian Professor of Astro- 

 nomy and Experimental Philosophy in the University of Cam- 

 bridge ... '77 



