Vlll CONTENTS. 



Tage 

 Mr. George Innes on Certain Errata in Dr. Mackay's Tables 



of Versed Sines 394 



Obituary :— Mr. John Atkinson, F.L.S. &c 395 



New Patents 396 



Meteorological Observations 397 



.. made at the Garden of the Horti- 

 cultural Society at Chiswick, near London, by Mr. Giddy at 

 Penzance, Dr. Burney at Gosport, and Mr. Veall, at Boston 399 

 Calendar showing the Times of Meeting of the Scientific Bodies 

 of London for 1828—9 400 



NUMBER XXIV.- DECEMBER. 



Mr. J. Phillips's Geological Observations made in the Neigh- 

 bourhood of Ferrybridge, in the Years 1 826-1828 401 



Prof. Encke on the Calculations requisite for predicting Oc- 



cultations of Stars by the Moon 409 



Mr. Dalton on the Height of the Aurora Borealis above the 

 Surface of the Earth ; particularly one seen on the 29th of 



March, 1826 418 



Mr. Dakin on the fitting-up of Microscopes for the Examina- 

 tion of Opaque Objects requiring high Powers ; &c 429 



Mr. Ivory on the Method in the Trigonometrical Survey for 

 finding the Difference of Longitude of two Stations very lit- 

 tle different in Latitude 432 



Capt. Cullen's Notice of the Geological Features of a Route 



from Madras to Bellary, in April and May 1822 435 



Mr. Sharpe on the Figure of the Earth 343 



Mr. Children's Abstract of the Characters of Ochsenheimer's 



Genera of the Lepidoptera of Europe ; &c. (continued.) . . . . 444 

 Attack of Berzelius on Dr. Thomson's " Attempt to establish 



the First Principles of Chemistry by Experiment" 450 



On the Luminous Belt of September the 29th . . 453 



Proceedings of the Linnaean Society 454 



Royal Academy of Sciences of Paris. . . . 455 



Meteoric Iron in France 457 



Iron Trade — Early History of Electro-Magnetism — Russian 



Coinage of Platina „ 458 



Analyses of Minerals — M. Vauquelin's Analysis of the Ipeca- 

 cuanha Branea 459 



Plan for investigating the Natural Productions of Jamaica. . . . 460 

 M. Fayolle on a Method by La Place of solving Equations 



of the Third Degree 462 



Luminous Belt of September 29th 463 



Encke's Comet 464 



Meteorological Observations 465 



made by Mr. Booth at the Garden 



of the Horticultural Society at Chiswick, near London ; by 

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



at Boston 467 



Index 468 



