Report of the Astronomical Society . 2S3 



each other in the most honourable l)raiich of emulation — the 

 rising efforts of our countrymen in the East Indies— the zeal of 

 our brethren on the American continent — the foundation of a 

 public observatory at Cambridge and another at the Cape of Good 

 Hope (both so honourable to our own country) — must ensure the 

 good wishes of every friend to science, and excite the admiration 

 of every reflecting mind. 



The following is a List of the Papers which have been read at 



the Meetings of the Society, in the preceding year. 

 March 10, On the doubly refracting property of rock crystal, 



1820. considered as a principle of niicrometrical mea- 

 surements when applied to a telescope. By the 

 Rev. Dr. Pearson. 



April 14. On the construction and use of a new micrometrical 

 eye piece of a telescope. Bv the same. 

 May 12. A letter from G. Peacock, Esq. to C. Babbage, Escf. 

 respecting the intended astronomical observatory 

 at Cambridge. 

 On double stars : with a Catalogue of the same. Ey 

 J. South, Esq. 

 .tune 9. On a method of fixing a transit instrument exactly in 

 the meridian : with Tables applicable to the same. 

 By F. Baily, Esq. 

 NoVf 10. Notice respecting the occiiltation of the Pleiades, in 

 the ensuing years 1821, 1822, 1823, and 1824. 

 Universal tables for the reduction of the fixed stars. 



By S. Groombridge, Esq. 

 Translation of a printed notice respecting a new 

 meridian circle lately erected at the Observatory 

 at Gottingen; transmitted by M. Gauss. 

 Dec. 8. An Ephemeris of Vesta. By S. Groombridge, Esq. 

 On the late solar eclipse, September 7, 1820. By 

 F. Baily, Esq. 

 Jan. 12, A short account of the repeating circle, and of the 



1821. Altitude and Azimuth instrument : describing their 



different constructions, the means of performing 

 their principal adjustments, and how to make ob- 

 servations with them. By E. Troughton, Esq. 



Nn2 XLVII. A Me- 



