CONTENTS. V 



Page 

 Prof. H. W. Dove on the Influence of the Rotation of the 

 Earth on the Currents of its Atmosphere; being Outlines of 



a General Theory of the Winds 227 



Mr. S. S. Greatheed's new Method of solving Equations of 



partial Differentials 239 



Sir Edw. Ff. Bromhead's Memoranda on the Origin of the 



Botanical Alliances 247 



Prof. Forbes's Account of some Experiments made in different 

 Parts of Europe, on Terrestrial Magnetic Intensity, particu- 

 larly with reference to the Effect of Height [continued) 254 



Rev. T. Knox on a new Rain Gauge 260 



Mr. Brooke on the Crystalline Form of Pyrosmalite : hitherto 



undescribed 261 



MM. Wartmann and Quetelet's Papers on the alleged Period- 

 ical Meteors of the 13th of November, and on Shooting 



Stars in general 261 



Prof. De la Rive's Researches into the Cause of Voltaic 



Electricity 274 



Mr. W. C. Williamson on the Affinity of some Fossil Scales of 

 Fish from the Lancashire Coal Measures with those of the 



recent Salmonidce 300 



Mr. H. M. Noad's Analyses of the Hydrates of Baryta and 



Strontia 301 



Prof. J. R. Young's Analytical Investigation of Professor Wal- 

 lace's Property of the Parabola 302 



Mr. F. Watkins on Thermo-electricity 304 



Proceedings of the Geological Society 307 



Carbovinate of Potash 320 



Conversion of Iron into Plumbago by Sea-water 321 



On a Combination of the Anhydrous Sulphuric and Sulphurous 



Acids 321 



On Gallic Acid, by M. Robiquet 323 



Spontaneous Combustion of Linseed Oil after its becoming dry 324 



Process for Ink devoid of free Acid, by Dr. Hare 324 



Rapid Congelation of Water by means of Hydric (Sulphuric) 

 JEther and concentrated Sulphuric Acid, &c, by Dr. Hare 325 



Synthesis of Ammonia, by Dr. Hare 326 



Rotatory Multiplier, by Dr. Hare 327 



Meteorological Observations 327 



NUMBER LXVIII.— OCTOBER. 



Sir J. F. W. Herschel on the prepared or peculiar Voltaic Con- 

 dition of Iron 329 



Mons. J. C. Marquart's Report on the Progress of Phytoche- 

 mistry in the Year 1835, in reference to the Physiologv of 

 Plants '. . . 333 



Mr. R. H. Brett on the Bromo-cyanide and Chloro-cyanide of 

 Potassium and Mercury 340 



Mr. Beke on the Complexion of the Ancient Egyptians .... 344 



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