iv 



Page 



On a supposed Alteration in the amount of Astronomical Aberration of 

 Light, produced by the passage of the Light through a considerable 

 thickness of Refracting Medium. By George Biddell Airy, C.B., As- 

 tronomer Royal 35 



Magnetic Survey of the East of France in 1869. By the Rev. S. J. 

 Perry and the Rev. W. Sidgreaves 39 



On the Behaviour of Supersaturated Saline Solutions when exposed to the 

 Open Air. By Charles Tomlinson, F.R.S 41 



Note on the Spectrum of Encke's Comet. By "William Huggins, D.C.L., 

 LL.D., V.P.R.S . 45 



November 30, 1871. 



Anniversary Meeting : 



Report of Auditors 47 



List of Fellows deceased, &c 48 



elected since last Anniversary 48 



Address of the President 49 



Presentation of the Medals 54 



Election of Council and Officers 57 



Financial Statement 58 & 59 



Account of the appropriation of the sum of £1000 annually voted by Par- 

 liament to the Royal Society (the Government Grant), to be employed 

 in aiding the advancement of Science 60 



Account of Sums granted from the Donation Fund in 1871 61 



List of Presents , 61 



No. 131.— December 7, 1871. 



On the Fossil Mammals of Australia. — Part VI. Genus Phascolomys, Geoflr. 

 By Professor Owen, F.R.S 66 



On the Solvent Power of Liquid Cyanogen. By G. Gore, F.R.S 67 



On Fluoride of Silver.— Part III. By G. Gore, F.R.S 70 



December 21, 1871. 



Contributions to the History of Orcin— No. II. Chlorine- and Bromine- 

 substitution Compounds of the Orcins. By John Stenhouse, LL.D., 

 F.R.S., &c 72 



Note on Fucusol. By John Stenhouse, LL.D., F.R.S 80 



On some recent Researches in Solar Physics, and a Law regulating the 

 time of duration of the Sun-spot Period. By Warren De La Rue, D.C.L., 

 F.R.S., Balfour Stewart, F.R.S., and Benjamin Loewy, F.R.A.S 82 



Note on the Telescopic Appearance of Encke's Comet. By William Hug- 

 gins, D.C.L., LL.D., F.R.S « 87 



January 11, 1872. 



Experiments made to determine Surface-conductivity for Heat in Absolute 

 Measure. By Donald M'Farlane 90 



