CONTENTS. 



On the Mode of ohtaining Silicium, and on the Characters and 

 Properties of that 8id)stance. % M. Berzelius . . 254 



A Letter from the Rev. W. Kiuby in explanation of his Re- 

 marks upon the Notice, given in the Philosophical Magazine^ 

 of Mr. W. S. MacLeay's Paper on the Tarsi of certain In- 



sects 



267 



On the Action of finely-divided Platinum on Gaseous Mixtures^ 

 and its Application to their Anahisis. By "Wm. Henry 



M.D.F.R.S 269 



Remarks respecting Mr. Vanuxem's Memoir on a Fused Pro- 

 duct, erroneously identifed mth the Fused Carbon of Pro- 

 fessor Silliman ; \soith some additional Facts and Observa- 

 tions. By Dr. Robert Hare, of Philadelphia . . 283 

 On Pla?is in Relief. By A Correspondent . . . 287 

 On the Locality of Rain. 5j/ Mr. James Stockton . . 287 

 On new Teryns in Geometty. By Mr. M. Smith . . . 289 

 Mr. Sturgeon on the Cause of the Earth's Motion -. in reply to 



Mr. Bevan 290 



On the Binomial TJieorem, and the Application of some Pro- 

 perties of A"\ (f to General Differentiation and Integration. 



By John Herapath, Esq 321 



Some Notices concerning the Plants of various Parts of India; 

 and concerning the Sanscrita Names of those Regions. By 

 Francis Hamilton, M.D. F.R.S Sf F.A.S. Lond. andEdin. 



332 

 Outline of general Methods for the Development of certain 

 Branches of Analysis. By A Correpondent . . . 344. 

 On the Determination of the Latitude of a Place by Means of 

 the Transit Instrument placed perpend icidarly to the Meri- 

 dian. By Professor Bessel. Communicated in a Letter to 

 Prof. Schumacher, dated Konigsberg, Feb. 2, 1824 . . . 354 

 A Description of a 7ie'w Pafe7it Instrument, or Celestial Corn- 

 pass, adapted for ascertaining the Deviation of the Magnetic 

 Needle, by simple Inspection, in any Part of the World; for 

 finding the Latitude when the Horizon is obscured ; and fcrr 

 steering Ships without Magnetic Aid. Invented by George 

 GKK\uoi<i, Captain in the Corps of Royal Engineers . 358 

 A Bi?iary Arrangement of the Class Amphibiii. By A. H. Ha- 



worth, Esq., F.L.S. Sfc 372 



On a new Compeiisatioti Pendulum. By William Herapath, 



Esq. 374 



On the Gold Mines of North Carolina. By Denison Olmsted, 

 Professor of Chemistry and Mina-alogy in the University qjf 



North Carolina 375 



On the largest Mass of Meteoric Iron which has yet been disco- 



