389 
Keith, Brisbane, Neill, and Gunning Prizes. 
11th Triennial Period, 1886-89. — Robert Kidston, Esq., for his Researches in Fossil Botany, 
published in the Transactions of the Society. 
12th Triennial Period, 1889-92. — John Horne, Esq., F.G.S., for his Investigations into the 
Geological Structure and Petrology of the North-West Highlands. 
13th Triennial Period, 1892-95. — Robert Irvine, Esq., for his papers on the Action of 
Organisms in the Secretion of Carbonate of Lime and Silica, and on the solution of these 
substances in Organic Juices. These are printed in the Society’s Transactions and 
Proceedings. 
14th Triennial Period, 1895-98. — Professor Cossar Ewart, for his recent Investigations con- 
nected with Telegony. 
15th Triennial Period, 1898-1901. — Dr John S. Flett, for his papers entitled “The Old Red 
Sandstone of the Orkneys” and “The Trap Dykes of the Orkneys,” printed in vol. 
xxxix of the Transactions of the Society. 
16th Triennial Period, 1901-04. — Professor J. Graham Kerr, M.A., for his Researches on 
Lepidosiren paradoxa , published in the Philosophical Transactions of the Royal Society, 
London. 
17th Triennial Period, 1904-07. — Frank J. Cole, B.Sc., for his paper entitled “A Monograph 
on the General Morphology of the Myxinoid Fishes, based on a Study of Myxine,” published 
in the Transactions of the Society, regard being also paid to Mr Cole’s other valuable contri- 
butions to the Anatomy and Morphology of Fishes. 
1st Biennial Period, 1907-09. — Francis J. Lewis, M.Sc., F.L.S., for his papers in the Society’s 
Transactions “ On the Plant Remains of the Scottish Peat Mosses.” 
2nd Biennial Period, 1909-11. — James Murray, Esq., for his paper on “Scottish Rotifers 
collected by the Lake Survey (Supplement),” and other papers on the “Rotifera” and 
“ Tardigrada, ” which appeared in the Transactions of the Society — (this Prize was awarded 
after consideration of the papers received within the five years prior to the time of award : 
see Neill Prize Regulations). 
3rd Biennial Period, 1911-13. — Dr W. S. Bruce, in recognition of the scientific results of his 
Arctic and Antarctic explorations. 
4th Biennial Period, 1913-15. — Robert Campbell, D.Sc., for his paper on “The Upper 
Cambrian Rocks at Craigeven Bay, Stonehaven,” and “ Downtonian and Old Red Sandstone 
Rocks of Kincardineshire,” published in the Transactions of the Society. 
IY. GUNNING YICTOKIA JUBILEE PRIZE. 
1st Triennial Period, 1884-87. — Sir William Thomson, Pres. R.S.E., F.R.S., for a remark- 
able series of papers “on Hydrokinetics,” especially on Waves and Vortices, which have 
been communicated to the Society. 
2nd Triennial Period, 1887-90. — Professor P. G. Tait, Sec. R.S.E. , for his work in connection 
with the “ Challenger” Expedition, and his other Researches in Physical Science. 
3rd Triennial Period, 1890-93. — Alexander Buchan, Esq., LL.D., for his varied, extensive, 
and extremely important Contributions to Meteorology, many of which have appeared in the 
Society’s publications. 
4th Triennial Period, 1893-96.— John Aitken, Esq., for his brilliant Investigations in 
Physics, especially in connection with the Formation and Condensation of Aqueous Vapour. 
1st Quadrennial Period, 1896-1900. — Dr T. D. Anderson, for his discoveries of New and 
Variable Stars. 
2nd Quadrennial Period, 1900-04. — Sir James Dewar, LL.D., D.C.L., F.R.S., etc., for his 
researches on the Liquefaction of Gases, extending over the last quarter of a century, and 
on the Chemical and Physical Properties of Substances at Low Temperatures : his earliest 
papers being published in the Transactions and Proceedings of the Society. 
3rd Quadrennial Period, 1904-08. — Professor George Chrystal, M.A., LL.D., for a series of 
papers on “ Seiches,” including “ The Hydrodynamical Theory and Experimental Investiga- 
tions of the Seiche Phenomena of Certain Scottish Lakes.” 
4th Quadrennial Period, 1908-12. — Professor J. Norman Collie, Ph.D., F.R.S., for his 
distinguished contributions to Chemistry, Organic and Inorganic, during twenty-seven 
years, including his work upon Neon and other rare gases. Professor Collie’s early papers 
were contributed to the Transactions of the Society. 
