II CONTENTS. 



Art. Page 



IX. Description of the Royal Gardens of Lahore, in a Letter 



to the Editor from Captain Benjamin Blake, of the 

 Bengal Army 311 



X. Experiments on the Alloys of Steel, made with a view to 

 its improvement. By J. Stodart, Esq., and M. Faraday, 

 Chem. Assist. Royal Institution 319 



XI. On the Attempts recently made to introduce the Shawl 

 Goat into Britain, in a Letter to the Editor, from J. Mac 

 CuLLOCH, M.D., F.R.S 330 



XII. Proceedings of the Royal Society 346 



XIII. Astronomical and Nautical Collections. No. II. 



i. Report of the Committee of the Board of Longitude for 

 examining Instruments and Proposals, upon the mode em- 

 ployed for determining the errors of dividing engines 347 



ii. A Comparative View of the Principal Metliods of Cor- 

 recting Lunar Observations, with a New Construction 350 



iii. Computations for Clearing the Compass of the Regular 

 Gtiect of a Ship's permanent Attraction 377 



iv. Errors of the Nautical Almanack for 1822 380 



V. Observations of the Comet, made at the Royal Obser- 

 vatory , 381 



vi. Elliptic Elements of Pons's Comet of I8I9, in a letter 

 from Dr. Olbers 382 



vii. Lunar Distances of Venus, for the Months of August, 

 September, October, November, and December 383 



XIV. Miscellaneous Intelligence. 



I. Mechanical Science. 



1. New Hydrostatic Balance. 2. Trigonometrical Surveys. 

 3. Geographical Measurements in Denmark. 4. On the 

 Structure of Glass when in a state of Vibration. 5. Extraor- 

 dinary Copper-plate Printing. 6. New Astronomical Obser- 

 vations. 7. Improvements in Scissors. 8. New Lamp . . 388 



II. Chesiical Science. 



§ Chemistri/. 



1. On the Action of Sulphuric Acid on Animal Sub- 



nces. 2. On the Action of Sulphuric Acid on Alcohol, 



aud the New Acids formed. 3. New Acids of Phosphorus. 



