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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., Astronomer 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 Parliament 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