APPENDIX.—KEITH, MAKDOUGALL-BRISBANE,. AND NEILL PRIZES. 717 
16TH Breynrat Periop, 1857—59.—Not awarded. 
177TH BrenniaL Perron, 1859-61.—Joun Attan Broun, Esq., F.R.S., Director of the Trevandrum 
Observatory, for his papers “on the Horizontal Force of the 
Earth’s Magnetism, on the Correction of the Bifilar Magnet- 
ometer, and on Terrestrial- Magnetism generally,” published in 
the Transactions of the Society, 
18TH BienniaL Periop, 1861—63.—Professor Wini1am THomson, of the University of Glasgow, for his 
Communication ‘fon some Kinematical and Dynamical 
Theorems.” 
197H Brenniat Periop, 1863-65.—Principal Forses, St Andrews, for his “Experimental Inquiry into 
the Laws of Conduction of-Heat in Iron Bars,” published in 
the Transactions of the Society, 
207TH Brenniat Prion, 1865-67.—Professor C. Prazzt Smyrg, for his paper “on Recent Measures at 
the Great Pyramid,” published in the Transactions of the 
Society. 
21st Brenniau Periop, 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. 
22p BrenntaL Periop, 1869-71.—Professor CLrerk Maxwe tu, for his paper “on Figures, Frames, 
and Diagrams of Forces,” published in the Transactions of the 
Society. 
23p BrenntaL Psriop, 1871-—73.-—Protessor 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 Semicircular 
Canals of the Internal Ear.” 
257H BrenniaL Periop, 1875-77.—Professor M. Forster Heppxz, for his papers “on the Rhom- 
bohedral Carbonates,” and “on the Felspars of Scotland,” 
published in the Transactions of the Society. 
26TH Brennrat Periop, 1877—79.—Professoy H. C. Firemine Jenxiy, for his paper “on the Appli- 
cation of Graphic Methods to the Determination of the Effi- 
ciency of Machinery,” published in the Transactions of the 
Society; Part II. having appeared in the volume for 1877-78. 
Il. MAKDOUGALL-BRISBANE PRIZE. 
Ist Brennan Periop, 1859.—Sir Roprricx Impry Murcuison, on account of his Contributions to 
the Geology of Scotland. 
2p BrenntaL Pertop, 1860—62.—Witiiam 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. 
3p BrenniaL Prriop, 1862--64.—JoHn Denis Macponatp, Esq., R.N., F.R.S., Surgeon of H.M.S. 
“Tcarus,” 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. 
47H BienniaL Periop, 1864—66.—Not awarded. 
