Adjudication of the Medals of the Royal Society for the year 1870 by 
the President and Council. 
The Copley Medal to Mr. James Prescott Joule, F.R.S., for his Experimental 
Researches on the Dynamical Theory of Heat. 
A Royal Medal to Professor William Hallowes Miller, Foreign Secretary R.S., 
for his Researches and Writings on Mineralogy and Crystallography, and his scientific 
labours in the Restoration of the National Standard of Weight. 
A Royal Medal to Mr. Thomas Davidson, F.R.S., for his works on the Recent and 
Fossil Brachiopoda, more especially his series of Monographs in the publications of the 
Palseontographical Society. 
The Rumford Medal to M. Alfred Olivier Des Cloizeaux, for his Researches in 
Mineralogical Optics. 
The Bakerian Lecture was delivered by Principal John W. Dawson, LL.D., F.R.S.; 
it was entitled “On the Pre-Carboniferous Flora of North-Eastern America, and more 
especially on that of the Erian (Devonian) Period.” 
The Croonian Lecture was delivered by Augustus Y. Waller, M.D., F.R.S. ; it 
was entitled “ On the Results of the Method (introduced by the Author) of Investigating 
the Nervous System, more especially as applied to the Elucidation of the Functions of 
the Pneumogastric and Sympathetic Nerves in Man.” 
