Keith, Brisbane, Neill, Gunning, and Scott Prizes. 415 
6th Biennial Period, 1917-19. — John Tait, D.Sc., M.D., for his work on Crustacea, published 
in the Proceedings of the Society, and for his papers on the blood of Crustacea, 
7th Biennial Period, 1919-21.— Sir Edward A. Sharpey Schafer, F.Pv.S., for his recent 
contributions to our knowledge of Physiology, and in recognition of his published work 
extending over a period of fifty years. 
IV. GUNNING VICTORIA JUBILEE PRIZE. 
1st Triennial Period, 1884-87. — Sir William Thomson, Pres, E.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 Hydrodynaniical 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. 
5th Quadrennial Period, 1912-16. — Sir Thos. Muir, C.M.G., LL.D., F.R.S., for his series 
of Memoirs upon “ The Theory and History of Determinants and Allied Forms,” published 
in the Transactions and Proceedings of the Society between the years 1872 and 1915. 
6th Quadrennial Period, 1916-20, — C. T. R. Wilson, Esq., F.R. S., in recognition of his 
important discoveries in relation to Condensation Nuclei, Ionisation of Gases, and Atmo- 
spheric Electricity. 
V. JAMES SCOTT PRIZE. 
1st Award, 1918-22. — Professor A. N. AVhii'EHEAD, F. R.S., for his lecture delivered on June 5, 
1922, “On the Relatedness of Nature.” 
