Adjudication of the Medals of the Royal Society for the year 1881, 
by the President and Council. 
The Copley Medal to Prof. Karl Adolph Wurtz, For. Mem. R.S., for his dis¬ 
covery of the Organic Ammonias, the Glycols, and numerous other investigations 
which have exercised considerable influence on the Progress of Chemistry. 
A Royal Medal to Mr. Francis Maitland Balfour, F.R.S., for his numerous 
and important contributions to Animal Morphology, and more especially for his inves¬ 
tigations respecting the origin of the Uro-genital Organs and the Cerebro-spinal 
Nerves of the Vertebrata, and for his work on the Development of the Elasmobranch 
Fishes. 
A Royal Medal to the Rev. John Hewitt Jellett for his various Mathematical 
and Physical Papers, more especially for his researches in Chemical Optics, and his 
invention of the new and delicate Analyzer by which they were carried out. 
The Davy Medal to Prof. Adolf Baeyer for his Synthesis of Indigo. 
The Bakerian Lecture “ On the Action of Free Molecules on Radiant Heat, and its 
Conversion thereby into Sound,” was delivered by Dr. Tyndall, F.R.S. 
The Paper “ Observations on the Locomotor System of Echinodermata,” by Air. 
George J. Romanes, ALA., F.R.S., and Prof. J. Cossar Ewart, M.D., was appointed 
as the Croonian Lecture. 
