Adjudication of tlie Medals of the Royal Society for the year 1887, 
by the President and Council. 
The Copley Medal to Sir Joseph Dalton Hooker, K.C.S.I., F.R.S., for his 
services to Botanical Science as an investigator, author, and traveller. 
A Royal Medal to Professor Henry Nottidge Moseley, F.R.S., for his 
numerous Researches in Animal Morphology, and especially his Investigations on 
Corals and on Peripatus. 
A Royal Medal to Colonel Alexander Ross Clarke, R.E., C.B., for his 
Comparison of Standards of Length and Determination of the Figure of the Earth. 
The Davy Medal to John A. R. Newlands for his Discovery of the Periodic Law 
of the Chemical Elements. 
The Bakerian Lecture, “ On the Dissociation of some Gases by the Electric 
Discharge,” was delivered by Professor J. J. Thomson, F.R.S. 
The Croonian Lecture, “ On Parieasaurus bombidens (Owen), and the Significance 
of its Affinities to Amphibians, Reptiles, and Mammals,” was delivered by Professor 
H. G. Seeley, F.R.S. 
b 
MDf'CCLXXXVir.—B. 
