VI CONTENTS. 



NUMBER XLI.— NOVEMBER. 



Tage 

 Mr. Faraday's Reply to Dr. John Davy's " Remarks on certain 

 Statements of Mr. Faraday contained in his ' Researches in 



Electricity.' " 337 



Note by M. Ampere on Heat and Light considered as the Re- 

 sults of Vibratory Motion 342 



Prof. Forbes's Note relative to the Polarization of Heat 349 



Mr. S. Woodward's Remarks upon the Crag Formation of 



Norfolk and Suffolk 353 



Sir G. S. Mackenzie on certain Points in Meteorology and 



Magnetism 355 



Dr. H. Johnson on Divergence as the Cause of Motion in Plants 357 

 A. R. on certain coloured Bands observed in examining New- 

 ton's Rings 363 



Mr. Nixon on the Verification of Captain Lloyd's Levelling 



Instrument by the Greenwich Mural Circle 364? 



Mr. W. S. B. Woolhouse on the Enharmonic Organ ; in Reply 



to an Article in the Westminster Review 366 



Mr. John Taylor on a New Rotative Steam- Engine 369 



Mr. C. B. Rose's Sketch of the Geology of West Norfolk 



(continued) 370 



Dr. Boase's Inquiry into the Nature of the Structure of Rocks 376 

 Reviews and notices respecting New Books: — Spiller's Trans- 

 lation of the Solution of Numerical Equations by Sturm . . 384 

 Official Report of the Proceedings of the British Association 

 for the Advancement of Science, at the Dublin Meeting, 



August 1835 385 



Proceedings of the Royal Society, Prof, Faraday's Experi- 

 mental Researches in Electricity, Tenth Series 411 



Geological Society 412 



Zoological Society 417 



' Entomological Society 420 



M. Poggendorff's Vindication of Prof. Faraday's right of 

 priority to the discovery of definite electrolytic action .... 421 



Kupfer-Antiraonglanz 422 



Remarks on a peculiar state of polarity induced in soft Iron 



by Voltaic Magnetism, by E. M. Clarke, Magnetician .... 422 

 Letter of Professor Rosenberger to the Editor of the Astro- 



nomische Nachrichten 423 



Observations on the Assay of Silver in the humid way, by 



M. Gay-Lussac 425 



Analysis of Pyroxylic Spirit. — Methylene > . . . 427 



Composition of Pyromucic Acid - 429 



Analysis of Gadolinite 430 



Rhodizite, a new Mineral 431 



Mr. Saull's Geological Collection 431 



Meteorological Observations 432 



