Adjudication of the Medals of the Royal Society for the year 1852 by 
the President and Council. 
The Copley Medal to Baron Alexander von Humboldt, for his eminent services 
in Terrestrial Physics during a series of years. 
The Royal Medal in the department of Physics, to J. P. Joule, Esq,, F.R.S,, for 
his paper “ On the Mechanical Equivalent of Heat,” printed in the Philosophical 
Transactions for the year 1 850, 
The second Royal Medal to T, H. Huxley, Esq., F.R.S., for his paper “On the 
Anatomy and the Affinities of the Family of the Medusa,” printed in the Philoso- 
phical Transactions for the year ] 849. 
The Rumford Medal to G. G. Stokes, Esq., F.R.S,, for his “ Discovery of the 
Change in the Refrangibility of Light.” 
