CONTENTS. 



I. Oti the Laws of the Tides on the Coasts of Ireland, as inferred from an extensive 



series of observations made in connection with the Ordnance Survey of Ireland. 

 By G. B. Airy, Esq., F.R.S., Astronomer Royal page 1 



II. On the Temperature of the Springs, Wells and Rivers of India and Egypt, and of 



the Sea and Table-lands within the Tropics. By Captain Newbold, Madras 

 Army,F.R.S 125 



III. An Account o/" Newton's Dial presented to the Royal Society by the Rev. Charles 



TuRNOR, in a letter addressed to the Marquis of Northampton, Pr^es. R.S., 8gc. 

 By the Rev. Charles Turnor, F.R.S. Communicated by the President. 141 



IV. ' Ajx6p<pwTa, No. I. — On a Case of Superficial Colour presented by a homogeneous 



liquid internally colourless. By Sir John Frederick William Herschel, 

 Bart., K.H., F.R.S., S^c. 8^c 143 



V. ' Afi6p(^u)Ta, No. II. — On the Epipblic Dispersion of Light, being a Supplement to a 



paper entitled, " On a Case of Superficial Colour presented by a homogeneous 

 liquid internally colourless.'' By Sir John Frederick William Herschel, 

 Bart., K.H., F.R.S., 8fc. . 147 



VI. On the Liquefaction and Solidification of Bodies generally existing as Gases. By 



Michael Faraday, Esq., D.C.L., F.R.S. , Fullerian Prof. Chem. Royal Insti- 

 tution, Foreign Associate of the Acad. Sciences, Paris, Corr. Memb. Royal and 

 Imp. Acadd. of Sciences, Petersburgh, Florence, Copenhagen, Berlin, Gottingen, 

 Modena, Stockholm, 8^c. <Sfc 155 



