( 697 ) 
AWARDS OF THE KEITH, MAKDOUGALL BRISBANE, AND NEILL PRIZES, 
FROM 1827 TO 1875, 
I. KEITH PRIZE. 
lst Brenniat Periop, 1827—29.—Dr Brewster, for his papers “on his Discovery of Two New Immis- 
cible Fluids in the Cavities of certain Minerals,” published in 
the Transactions of the Society. 
2p BrenniaL Pertop, 1829-31.—Dr Brewster, for his paper “on a New Analysis of Solar 
Light,” published in the Transactions of the Society. 
3D Brenniat Periop, 1831-33.—THomas Granam, Esq., for his paper “on the Law of the Diffusion 
of Gases,” published in the Transactions of the Society. 
47H Brenna Periop, 1833-35.—Professor Forsss, for his paper “ on the Refraction and Polarization 
of Heat,” published in the Transactions of the Society. 
5tH Brenniat Periop, 1835-37.—Joun Scorr Russet, Esq.,for his Researches “on Hydrodynamics,” 
published in the Transactions of the Society. 
6TH Brenniat Periop, 1837-39.—Mr Joun Suaw, for his experiments “on the Development and 
Growth of the Salmon,” published in the Transactions of the 
Society. 
7TH BrENNIAL Periop, 1839—41.—Not awarded. 
87H Brewn1at Periop, 1841-43.—Professor Forsus, for his Papers “on Glaciers,” published in the 
Proceedings of the Society. 
9te Brenniau Periop, 1843—45.—Not awarded. 
10TH Brenniat Periop, 1845-47.—General Sir Tuomas Brissane, Bart., for the Makerstoun Observa- 
tions on Magnetic Phenomena, made at his expense, and 
published in the Transactions of the Society. 
117TH Brenntat Pertop, 1847—49.—Not awarded. 
12TH Brenniat Periop, 1849-51.—Professor Ketianp, for his papers “on General Differentiation, 
including his more recent communication on a process of the 
Differential Calculus, and its application to the solution of 
certain Differential Equations,” published in the Transactions 
of the Society. 
1378 Brenntat Periop, 1851—-53.—W. J. Macquorn Ranxinz, Esq., for his series of papers “ on the 
Mechanical Action of Heat,” published in the Transactions 
of the Society. 
147H Brenniat Peron, 1853-55.—Dr THomas Anprrson, for his papers “on the Crystalline Con- 
stituents of Opium, and on the Products of the Destructive 
Distillation of Animal Substances,” published in the Trans- 
actions of the Society. 
VOL. XXVII. PART IV. 8 x 
