APPENDIX.—KEITH, MAKDOUGALL-BRISBANE, AND NEILL PRIZES. 663 
18TH Brenniat Pertop, 1861—63.—Professor Witt1am THomson, of the University of Glasgow, for his 
Communication “on some Kinematical and Dynamical 
Theorems.” 
197H Brenntat Periop, 1863—65.—Principal Forsus, St Andrews, for his “Experimental Inquiry into 
the Laws of Conduction of Heat in Iron Bars,” published in 
the Transactions of the Society, 
20TH BrenniaL Periop, 1865—67.—Professor C. Prazzt Smyrg, for his paper “on Recent Measures at 
the Great Pyramid,’ published in the Transactions of the 
Society. 
21st Brenniat Pertop, 1867—69.—Professor P. G. Tart, for his paper “on the Rotation of a Rigid 
Body about a Fixed Point,” published in the Transactions of 
the Society. 
22ND BrenntaL Periop, 1869—71.—Professor Crerk Maxwett, for his paper “on Figures, Frames, 
and Diagrams of Forces,’ published in the Transactions of the 
Society. 
23rp BrenntaL Perron, 1871—73.—Professor P. G. Tair for his paper entitled “ First Approximation 
to a Thermo-electric Diagram,” published in the Transactions 
of the Society. 
247H BIENNIAL PeRiop, 1873—75.—Professor Crum Brown, for his Researches “ on the sense of Rota- 
tion, and on the Anatomical Relations of the Semicireular 
Canals of the Internal Ear.” 
25TH Brenniau Periop, 1875-77.—Professor M. Forster Heppis, for his papers “on the Rhom- 
bohedral Carbonates,’ and “on the Felspars of Scotland,’’ 
published in the Transactions of the Society. 
26TH Brennrau Periop, 1877—79.—Professor H. C. Frermine Jenkin, for his paper “on the Appli- 
cation of Graphie Methods to the Determination of the Effi- 
cieney of Machinery,” published in the Transactions of the 
Society; Part IT. having appeared in the volume for 1877-78. 
277H Brenniat Pertop, 1879—81.—Professor Grorcn Curystat, for his paper “on the Differential 
Telephone,” published in the Transactions of the Society. 
28TH Brenniat Pertop, 1881—-83.—Tusomas Muir, Esq., LL.D., for his “ Researches into the Theory 
of Determinants and Continued Fractions,” published in the 
Proceedings of the Society. 
Il. MAKDOUGALL-BRISBANE PRIZE. 
Ist BreyniaL Periop, 1859,—Sir Roprricx Impry Murcuison, on account of his Contributions to 
the Geology of Scotland. 
2npD Brenniat Periop, 1860—62.—Winiiam Sevier, M.D., F.R.C.P.E., for his ‘‘ Memoir of the Life 
and Writings of Dr Robert Whytt,” published in the Trans- 
actions of the Society. 
3RD BIENNIAL Periop, 1862-—64.—Jonn Dunts Macponaxp, Esq., R.N., F.R.S., Surgeon of H.M.S. 
“Tearus,” for his paper “on the Representative Relationships 
of the Fixed and Free Tunicata, regarded as Two Sub-classes 
of equivalent value; with some General Remarks on their 
Morphology,” published in the Transactions of the Society. 
4¢H Brenntat Perron, 1864—66.—Not awarded. 
57H Brenniau Pertop, 1866-68.—Dr Atrxanper Crum Brown and Dr Taomas Ricnarp Fraser, 
for their conjoint paper “on the Connection between 
Chemical Constitution and Physiological Action,” published 
in the Transactions of the Society. 
6TH BrenntAt Periop, 1868—70.—Not awarded. 
