vi CONTENTS. 



Page 



Mr.W. Phillips's Description of two remarkable Ores of Copper 



from Cornwall ; with an Analysis of the same by Mr. Faraday 286 

 Mr. De la Fons's Remarks on Col. Miller's Plan for Mooring 



Ships in Roadsteads 289 



Mr. Bevan on the Adhesion of Screws 291 



" Dr. Price and his Followers" 292 



Mr. R. C. Taylor on the Natural Embankments formed against 



the German Ocean on the Norfolk and Suffolk Coast, and 



the Silting up of some of its /Estuaries 295 



Proceedings ot the Royal Academy of Sciences of Paris .... 305 

 Duty of Steam-Engines — On the Use of Chlorine in destroying 



Fire-damp 309 



Mineral Waters of Bilin — Analysis of Allophane 310 



Indigo Copper-Ore — Specific Heat of Gases — Composition of 



Apatite — Dr. Hildreth's Notice of Fossil Trees, near Galli- 



polis, Ohio 311 



Mr. Nash on the Fascination of Snakes 313 



Fossil Remains of the Mastodon lately found in Ontario 



County, New- York S'* 



Sulphocyanuret of Potassium in Saliva 315 



Scientific Books — New Patents 316 



Meteorological Observations 317 



by Mr. Howard near London, 



Mr. Giddy at Penzance, Dr. Burney at Gosport, and Mr. 



Veall at Boston 400 



NUMBER XL- NOVEMBER. 



Mr. Ivory on the Figure of Equilibrium of a Homogeneous 

 Planet in a Fluid State; in reply to the Observations of 



M. Poisson 321 



Mr. R. C. Taylor on the Geological Features of the Eastern 

 Coast of England ; and concluding Remarks on Mr. Rob- 



berds's Hypothesis .':27 



Remarks on the Principle of Compound Interest 332 



Prof Hansteen on the Polar Lights, or Aurora Borealis and 



Au.«tralis 331' 



Mr. Haworth's Description of New Succulent Plants 34!t 



Dr. Heineken's Meteorological' Regi-ter kept at Funchal, in 

 Madeira, in the Year 1826; with some prefatory Observa- 

 tions on the Climate of that Island, &c 362 



Mr. Gray's Descri])tion of the Skulls of two apparently unde- 

 scribed Species of Dolphins, which are in the British Museum 375 



Mr. Rumbail on the Position of the Focus in the Eye 376 



Rev. Brice Bronwin on the Rectification of the Ellipse 378 



New Books: — Dr. Fife's " Manual of Chemistry" — " Experi- 

 ments illustrative of Chemical Science" 381 



Proceedings of the Medico-botanic- 1 Society 385 



Royal Academy of' Sciences of Paris. . . . 385 



Labarraque's Disinfecting Soda-Liquid 387 



Preparation 



