xiv 



On the peculiar cooling effects of Hydrogen and its compounds in 

 cases of Voltaic Ignition. By W. F. Stevenson, Esq. F.R.S. page 789 



Postscript to a paper " On the Gangha and Nerves of the Heart." 

 By Robert Lee, M.D. F.R.S 789 



On the Aurora Borealis w^hich occurred on the evening of Frida^^ the 

 17th of November, 1848. By Mr. R. Smith, Blackford, Perthshire. 790 



On the Development and Homologies of the Carapace and Plastron of 

 the Chelonian Reptiles. By Professor Owen, F.R.S 792 



Some remarks on a paper entitled " On the Depth of Rain which falls 

 in the same localities at different Altitudes in the Hilly districts of 

 Lancashire, Cheshire, &c., by S. C. Horaersham, C.E." By John 

 Fletcher Miller, Esq 794 



Supplement to a paper " On the Theory of certain Bands seen in the 

 Spectrum." By G. G. Stokes, Esq. M.A., Fellow of Pembroke Col- 

 lege, Cambridge 795 



On the Chemistry of the Urine ; in three Parts. By H. Bence Jones, 

 M.D. M A. F.R.S 796 



On the application of the Theory of Elliptic Functions to the Rotation 

 of a Rigid Body round a Fixed Point. By James Booth, LL.D. 

 F.R.S 797 



Description of an Infusory Animalcule allied to the genus Notoramata 

 of Ehrenberg, hitherto undescribed. By John Dalrymple, Esq. 

 F.R.C.S 800 



On the Integration of Linear Differential Equations. By the Rev. 

 Brice Bronwin 802 



Minute Examination of the Organ of Taste in Man. By Augustus 

 Waller, M.D 803 



Additional Observations on the Osteology of the Iguanodon and Hy- 

 laeosaurus. By Gideon Algernon Mantell, Esq. LL.D. F.R.S. 

 V.P.G.S. &c 804 



Researches in Physical Geology. — Part II. By Henry Hennessy, Esq. 807 



An Account of the Aurora Borealis of the I7th of November 1848. 

 By the Rev. Charles F. Watkins 810 



Examination of the Proximate Principles of some of the Lichens. — 

 Part II. By John Stenhouse, Esq. F.R.S 811 



General Methods in Analysis, for the resolution of Linear Equations 

 in Finite Differences and Linear Differential Equations. By Charles 

 James Hargreave, Esq. LL.B. F.R.S. &c 814 



On the Meteorology of the Lake District of Cumberland and West- 

 moreland. By John Fletcher Miller, Esq 816 



A Report upon further Observations of the Tides of the English 

 Channel made by order of the Lords Commissioners of the Admi- 

 ralty in 1848, with remarks upon the Laws by which the Tidal 

 Streams of the English Channel and German Ocean appear to be 

 governed. By Captain F. W. Beechey, R.N. F.R.S 817 



On the Reduction of the Thermometrical Observations made at the 

 Apartments of the Royal Society from the year 1774 to 1781, and 

 from the year 1787 to 1843. By James Glaisher, Esq. of the Royal 

 Observatory, Greenwich 820 



