Adjudication of the Medals of the Royal Society for the year 1856 by 
the President and Council. 
The Copley Medal to M. Henri Milne-Edwards, for his Researches in Com- 
parative Anatomy and Zoology. 
The Rumford Medal to M. Louis Pasteur, for his Discovery of the Nature of 
Racemic Acid and its relations to Polarized Light, and for the Researches to which 
he was led by that discovery. 
A Royal Medal to Sir John Richardson, for his Contributions to Natural History 
and Physical Geography. 
A Royal Medal to Professor William Thomson, for his various Physical Re- 
searches, relating to Electricity, to the Motive Power of Heat, and to other subjects. 
TheBAKERiAN Lecture was delivered by Professor William Thomson, F.R.S., and 
entitled “On the Electro-dynamic Qualities of Metals.” 
