PROCEEDINGS 



OP THE 



ROYAL SOCIETY OF EDINBURGH, 



1833-4. No. 4. 



January 20. 



Sir THOMAS MAKDOUGAL BRISBANE, K. C B. 



President, in the Chair. 



The following Donations were presented : — 



Proceedings of the Royal Society, No. 13, and Statement of the 



Receipts and Payments of the Royal Society between Nov. 29. 



1832 and Nov. 29. 1833.— Frowj the Sociehj. 

 Researches on Spherical Geometry, Polar Triangles, &c. By T. 



S. Davies, Esq.— Fro/H the Author. 

 Bulletin de la Societe Geologique de France. Tome III. Feuilles, 



17-24. — From the Society. 

 Memoirs of the Royal Astronomical Society. Vol. VI— From the 



Society. 



Astronomical Observations, made at the Royal Observatory at 

 Greenwich in October, November, and December 1832, and 

 January, February, and March 1833. By John Pond, Esq.— 

 From the Author. 



Observations of Nebula- and Clusters of Stars, made at Slough 

 with a twenty feet reflector, between the years 1825 and 1833. 

 By Sir J. F. VV. Herschel, K. H.— From the Author. 



On the Absorption of Light by Coloured Media, viewed in con- 

 nexion with the Undulatory Theory. By Sir J. F. W. Her- 

 schel, K. H.— From the Author. 



Supplement to Dr Bradley's Miscellaneous Works, with an Ac- 

 count of Harriafs Astronomical Works. By Professor Regaud. 

 — From the Author. 



