Adjudication of the Medals of the Royal Society for the year 1865 by 
the President and Council. 
The Copley Medal to Mons. Michel Chasles, For. Memb. R.S., for his Historical 
and Original researches in Pure Geometry. 
A Royal Medal to Joseph Prestwich, Esq., F.R.S., for his numerous and valuable 
Contributions to Geological Science, and more especially for his Papers published in 
the Philosophical Transactions, on the general question of the Excavation of River- 
valleys, and on the Superficial Deposits in France and England in which the Works of 
Man are associated with the remains of Extinct Animals. 
A Royal Medal to Archibald Smith, Esq., F.R.S., for his Papers in the Philosophical 
Transactions, and elsewhere, on the Magnetism of Ships. 
Professor H. E. Roscoe’s Paper, entitled “ On a Method of Meteorological Regis- 
tration of the Chemical Action of Total Daylight,” was appointed as the Bakerian 
Lecture. 
The Croonian Lecture was delivered by Professor Lionel Smith Beale, F.R.S. : it 
was entitled “ On the Ultimate Nerve-fibres distributed to Muscle and some other 
tissues, with Observations upon the Structure and probable Mode of Action of a Nervous 
Mechanism.” 
