April 29, 1867. 
The PRESIDENT (H. W. Cooxson, D.D., Master of St Peter's 
College) in the Chair. 
The following new Fellow was elected: 
T. W. Dunn, B.A., St Peter’s College. 
It was announced to the meeting that the Hopkins Prize was 
adjudged to Professor G. G. Stokes, Sec. R.S., for numerous 
memoirs on various questions in Pure Mathematics and Mathe- 
matico-physics ; for his discovery of the change of the refrangi- 
bility of light and the application of spectrum analysis in Optico- 
chemical investigations; and particularly for his Paper on the 
long spectrum of electric light published in the Philosophical 
Transactions for 1862, Part ., printed and circulated in 1863. 
THE FOLLOWING ARE THE REGULATIONS FOR THE 
' “HOPKINS PRIZE.” 
I. Tart the Prize be called “Tur Hopxins Prizn.” 
II. That this prize be adjudged once in three years. 
III. That it be adjudged for the best original memoir, invention or disco- 
very, in connexion with Mathematico-physical or Mathematico- 
experimental science that may have been published during the 
three years immediately preceding, but that the adjudicators be at 
liberty, if it seem to them advisable in any particular case, to 
award the Prize for a discovery in Mathematics alone,-or in Experi- 
mental Physics alone, or for one which has not been published 
within the fore-mentioned period. 
IV. That it be confined to those who are or have been Members of the 
University of Cambridge. 
G6—2 
