Adjudication of the Medals of the Royal Society for the year 1878, 
by the President and Council. 
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The Copley Medal to Jean Baptiste Boussingault, for his long-continued and 
important Researches and Discoveries in Agricultural Chemistry. 
A Royal Medal to Mr. John Allan Broun, F.R.S., for his Investigations during 
thirty-five years in Magnetism and Meteorology, and for his improvements in Methods 
of Observation. 
A Royal Medal to Dr. Albert Gunther, F.R.S., for his numerous and valuable 
Contributions to the Zoology and Anatomy of Fishes and Reptiles. 
The Rumford Medal to Mr. Alfred Cornu, for his various Optical Researches, 
and especially for his recent re -determination of the V elocity of Propagation of 
Light. 
The Davy Medal to Messrs. Louis Paul Cailletet and Raoul Pictet, for their 
Researches, conducted independently, but contemporaneously, on the Condensation of 
the so-called Permanent Gases. 
The Paper “On Repulsion resulting from Radiation, Part V./’ by W. Crookes, F.R.S., 
was appointed as the Bakerian Lecture. 
The Paper “ On the Structure of the Stylasteridse, a Family of the Hydroid Stony 
Corals,” by H. N. Moseley, F.R.S., was appointed as the Croonian Lecture. 
