PROCEEDINGS 



OF 



THE ROYAL SOCIETY. 



1830-1831. 



No. 6, 



June 9, 1831. 



HIS ROYAL HIGHNESS THE DUKE OF SUSSEX, K.G., 

 President, in the Chair. 



The Hon. Frederick de Roos, and Edward Coleman, Esq., were 

 elected Fellows of the Society. 



The following Presents were received, and thanks ordered for 

 them : — 



Transactions of the Cambridge Philosophical Society. Vol. 3, 



Part 3; and Vol. 4-, Part 1. 4-to. — Presented by the Society. 

 Zoological Society. — Report at the Anniversary Meeting, 1831. 



Oxford; from April 30, 1830, to April 30, 1831. By Professor 



Rigaud, F.R.S., folio MS. — The Radcliffe Trustees. 

 Astronomical Observations made at the Observatory of Cambridge. 



By G. B. Airy, M.A. Vol. 3: 1830. 4?to.— Professor Airy. 

 A new illustrated Road Book of the Route from London to Naples, 



containing Twenty-four highly finished Views. Part 1. London 



to Paris. By VV. Brockedon, Esq. 8vo. — The Author. 

 A Volume containing various Documents, and a Lecture, relative 



to the Prevention of Shipwreck; and an Essay on the Extinction 



and Prevention of destructive Fires. By Captain G. W. Manby. 



8vo — The Author. 

 Nuovo Desideratum di Chine Vere e di Specie Affini, di V. L. Brera, 



M.D. Uo. — The Author. 

 The Valley of Gosau in the Salzburgh Alps; drawn from Nature, 



and on Stone, by Charlotte Murchison. (Two impressions.) — 



Mrs. Murchison. 



A Portrait Sketch of Frederick Albert Winsor, Originator of Public 

 Gas Lighting, and Founder of the first established Gas Light 

 Companies in England and in France. — F. A. Winsor, Esq. 



A paper was read, entitled " Researches in Physical Astronomy." 

 By J. W. Lubbock, Esq., V.P. and Treasurer of the Royal Society. 



The author extends, in the present paper, the equations he has 

 already given for determining the planetary inequalities, as far as the 

 terms depending on the squares and products of the eccentricities, to 



