APPENDIX — KEITH, BRISBANE, NEILL, AND GUNNING PE1ZES. 865 



II. MAKDOUGALL-BRISBANE PRIZE. 



1st Biennial Period, 1859. — Sir Roderick Impey Murchison, on account of his Contributions to 



the Geology of Scotland. 



2nd Biennial Period, 1860-62.— William Seller, M.D., E.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 Period, 1862-64. — John Denis Macdonald, Esq., R.N., F.R.S., Surgeon of H.M.S. 



" Icarus," 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 tbe Society. 



4th Biennial Period, 1864-66. — Not awarded. 



5th Biennial Period, 1866-68. — Dr Alexander Crum Brown and Dr Thomas Richard Fraser, 



for their conjoint paper " on the Connection between 

 Chemical Constitution and Physiological Action," published 

 in the Transactions of the Society. 



6th Biennial Period, 1868-70. — Not awarded. 



7th Biennial Period, 1870-72. — George James Allman, M.D., F.R.S., Emeritus Professor of 



Natural History, for his paper " on the Homological Relations 

 of the Coelenterata," published in the Transactions, which 

 forms a leading chapter of his Monograph of Gymnoblastic 

 or Tubularian Hydroids — since published. 



8th Biennial Period, 1872-74. — Professor Lister, for his paper "on the Germ Theory of Putre- 

 faction and the Fermentive Changes," communicated to the 

 Society, 7th April 1873. 



9th Biennial Period, 1874-76. — Alexander Buchan, A.M., for his paper "on the Diurnal 



Oscillation of the Barometer," published in the Transactions 

 of the Society. 



10th Biennial Period, 1876-78. — Professor Archibald Geikie, for his paper " on the Old Red 



Sandstone of Western Europe," published in the Transactions 

 of the Society. 



11th Biennial Period, 1878-80. — Professor Puzzi Smyth, Astronomer-Royal for Scotland, for his 



paper "on the Solar Spectrum in 1877-78, with some 

 Practical Idea of its probable Temperature of Origination," 

 published in the Transactions of the Society. 



12th Biennial Period, 1880-82. — Professor James Geikie, for his "Contributions to the Geology of 



the North- West of Europe," including his paper " on the 

 Geology of the Faroes," published in the Transactions of the 

 Society. 



13th Biennial Period, 1882-84. — Edward Sang, Esq., LL.D., for his paper "on the Need of 



Decimal Subdivisions in Astronomy and Navigation, and on 

 Tables requisite therefor," and generally for his Recalculation 

 of Logarithms both of Numbers and Trigonometrical Ratios, 

 — the former communication being published in the Pro- 

 ceedings of the Society. 



14th Biennial Period, 1884-86. — John Murray, Esq., LL.D., for his papers "On the Drainage 



Areas of Continents, and Ocean Deposits," " The Rainfall of 

 the Globe, and Discharge of Rivers," " The Height of the Land 

 and Depth of the Ocean," and " The Distribution of Tem- 

 perature in the Scottish Lochs as affected by the Wind." 



15th Biennial Period, 1886-88. — Archibald Geikie, Esq., LL.D., for numerous communications, 



especially that entitled " History of Volcanic Action during 

 the Tertiary Period in the British Isles," published in the 

 Transactions of the Society. 



16th Biennial Period, 1888-90. — Dr Ludwig Becker, for his Paper on "The Solar Spectrum at 



Medium and Low Altitudes," printed in Vol. XXXVI. 

 Part I. of the Society's Transactions. 



