Adjudication of the Medals of the Royal Society for the year 1850 by 
the President and Council. 
The Copley Medal to Professor Hansen, for his researches in Physical Astro- 
nomy. 
The Royal Medal in the department of Chemistry, to B. C. Brodie, Esq., F.R.S., 
for his “ Investigations on the Chemical Nature of Wax,” published in the Philoso- 
phical Transactions for 1848 and 1849. 
There being no paper in the department of Mathematics coming within the terms 
of the award of the Royal Medal, it was awarded to Thomas Graham, Esq., F.R.S., 
for his paper “ On the Motion of Gases,” published in the Philosophical Transactions 
for 1849. 
The Rumford Medal to M. F. J. D. Arago, for his “ Experimental Investigations 
on Polarized Light,” the concluding memoirs on which were communicated to the 
Academy of Sciences of Paris during the last two years. 
The Bakerian Lecture for 1850 was delivered by Michael Faraday, Esq., F.R.S., 
and entitled “ Experimental Researches in Electricity. — Twenty-fourth, Twenty-fifth, 
Twenty-sixth and Twenty-seventh Series. On the magnetic condition of oxygen,” &c. 
