Vll 



AWARDS OF THE KEITH, MAKDOUGALL BRISBANE, AND NEILL PRIZES, 



FROM 1827 TO 1872. 



I. KEITH PRIZE. 



1st Biennial Period, 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. 



2d Biennial Period, 1829-31. — Dr Brewster, for his paper "on a New Analysis of Solar 



Light," published in the Transactions of the Society. 



3d Biennial Period, 1831-33. — Thomas Graham, Esq., for his paper "on the Law of the Diffusion 



of Gases," published in the Transactions of the Society. 



4th Biennial Period, 1833-35. — Professor Forbes, for his paper "on the Eefraction and Polarization 



of Heat," published in the Transactions of the Society. 



5th Biennial Period, 1835-37. — John Scott Eussell, Esq., for his Eesearches " on Hydrodynamics," 



published in the Transactions of the Society. 



6th Biennial Period, 1837-39. — Mr John Shaw, for his Experiments "on the Development and 



Growth of the Salmon," published in the Transactions of the 

 Society. 



7th Biennial Period, 1839-41. — Not awarded. 



8th Biennial Period, 1841-43. — Professor Forbes, for his Papers " on Glaciers," published in the 



Proceedings of the Society. 



9th Biennial Period, 1843-45. — Not awarded. 



10th Biennial Period, 1845-47. — General Sir Thomas Brisbane, Bart., for the Makerstoun Observa- 

 tions on Magnetic Phenomena, made at his expense, and 

 published in the Transactions of the Society, 



11th Biennial Period, 1847-49. — Not awarded. 



12th Biennial Period, 1849-51. — Professor Kelland, 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. 



13th Biennial Period, 1851-53. — W. J. Macquorn Eankine, Esq., for his series of papers " on the 



Mechanical Action of Heat," published in the Transactions of 

 the Society. 



14th Biennial Period, 1853-55. — Dr Thomas Anderson, 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. 



