Adjudication of the Medals of the Royal Society for the year 1842 by 
the President and Council. 
The Copley Medal to Professor James MacCullagh, of Trinity College Dublin, 
for his researches connected with the “ Wave-Theory of Light,” contained in the 
Transactions of the Royal Irish Academy. 
The Rumford Medal to William Henry Fox Talbot, Esq., F.R.S., for his disco- 
veries and improvements in Photography. 
The Royal Medal, in the department of Physiology, to William Bowman, Esq., 
F.R.S., for his Paper “On the Structure and Use of the Malpighian Bodies of the 
Kidney, with Observations on the Circulation through that gland,” published in the 
Philosophical Transactions for 1842. 
The other Royal Medal, not having been awarded in the department of Astro- 
nomy, was awarded in that of Chemistry to John Frederic Daniell, Esq., Foreign 
Secretary of the Royal Society, for his “ Letters on the Electrolysis of Secondary 
Compounds, and on Voltaic Combinations,” published in the Transactions for 1840 
and 1841. 
