CONTENTS OF N" U.-^New Series. 



LIII. On the Figure of Equilibrium of a Homogeneous Planet in 

 a Fluid State ; in reply to the Observations of M. Poisson, published ' 

 in this Journal for July last. By J. Ivory, Esq. M.A. F.R.S. page 321 



LIV. On the Geological Features of the Eastern Coast of Eng- 

 land ; and concluding Remarks on Mr. Robberds's Hypothesis. By 

 R. C. Taylor, Esq. F.G.S '. 327 



LV. Remarks on the Principles of Compound Interest. In reply 



to F.R.S. By A Correspondent 332 



LVI. On the Polar Lights, or Aurora Borealis and Australis. By 

 Professor Hansteen 334 



LVII. Description ofNew Succulent Plants. By A. H. Ha worth, 

 Esq. F.L.S.&c 344. 



LVIII. Meteorological Register kept at Funchal, in Madeira, in 

 the Year 1826; with some prefatory Observations on the Climate of 

 that Island, &c. By C. Heineken, M.D 362 



LIX. Description of the Skulls of two apparently undescribed 

 Species of Dolphins, which are in the British Museum. By J. E. Gray, 

 Esq. F.G.S.&c. 373 



LX. On the Position of the Focus in the Eye. By Mr. J. R. Rum- 

 ball, M.R.C.S 376 



LXI. On the Rectification of the Ellipse. By the Rev. Bbice 

 Bronwin 378 



LXII. Notices respecting New Books : — " Dr. Fyfe's Manual of 

 Chemistry." <« Experiments illustrative of Chemical Science" 881 



LXIII. Proceedings of Learned Societies: Medico-Botanical 

 Society ; — Royal Academy of Sciences of Paris 385 



LXIV. Intelligence and Miscellaneous Articles : — Labarraque's 

 Disinfecting Soda-Liquid ; Preparation of Spongy Platina ; Test of 

 Nitric Acid ; Carboazotic Acid ; Anhydrous Sulphite of Ammonia ; 

 Separation of Selenium from Sulphur ; Stearic Acid from Wax ; Ex- 

 trication of Heat by Compression of Gases ; Metal of Alumina ; New 

 Metals in the Uralian Platina; New Alkali in Hemlock; Heat 

 evolved by compressing Water ; lodous Acid ; Mangancsic Acid and 

 Manganesate of Potash ; Indelible Writing-ink ; Dracine, — a new 

 Substance found in Dragon's- Blood ; Organic Remains of the Allu- 

 vium and Diluvium in Sussex ; Scientific Books ; Aurora Borealis ; 

 New Patents ; Meteorological Observations, Table, &c. ; Calendar 

 showing the times of Meeting of the Scientific Bodies of London for 

 1827-8 385—400 



•»• It is requested that all Communications for this Work may be addressed, 

 post paid, to tlie Care of Mr. R. Taylor, Printer, Red-Lion-Court, Fleet- 

 Street, London. 



