INDEX. 
Absorption of Carbon Dioxide by Solid Caustic 
Soda, by Miss E. Gilchrist, 128-135. 
Accounts of the Society, Session 1920-21, 230. 
Additions to Library by Gift or Purchase, 261, 
Adsorption of Gas under Pressure, by H. Briggs 
and W. Cooper, 119-127. 
./Ether and the Quantum Theory, by H. S. 
Allen, 34-43. 
Aitken (John), Obituary Notice of, by C. G. 
Knott, 177-181. 
Alford (Robert Gervase), Obituary Notice of, 
197. 
Allen (H. S.). ./Ether and the Quantum Theory, 
34-43. 
Anderson (Sir R. Rowand), Obituary Notice of, 
197-198. 
Ashworth (J. H.). Obituary Notice of Yves 
Delage, 182-183. 
Associate Membership. Question of J unior Grade 
of Membership of R.S.E., 220. 
Awards of Prizes, 224. 
Barnes (Henry). Obituary Notice of E. W. 
Prevost, 184-185. 
Obituary Notice of, by Miss E. Barnes, 
195-196. 
Barnes (Miss E.). Obituary Notice of Henry 
Barnes, 195-196. 
Bartholomew (J. G.), Obituary Notice of, by 
G. G. Chisholm, 170-176. 
Beck (Hon. Sir J. H. M.), Obituary Notice of, 
198. 
Binding in Library, Carnegie U. K. Trust Grant 
of £3000 nearly expended, 219. 
Bower (F. O.). Size, a Neglected Factor in Stelar 
Morphology. President’s Address, 1-25. 
Bridger (A. E. ), Obituary Notice of, 199. 
Briggs (Henry). An Experimental Analysis of 
the Losses by Evaporation of Liquid Air con- 
tained in Vacuum Flasks, 97-110. 
and W. Cooper. Adsorption of Gas 
under Pressure, 119-127. 
British Association Meeting in Edinburgh, 
September 1921, 219. 
Brown (David), Obituary Notice of, 199. 
Brown (David Rainy), Obituary Notice of, 200. 
Carbon Dioxide, Absorption of, by Solid Caustic 
Soda, by Miss E. Gilchrist, 128-135. 
Carnegie U.K. Trust. Grant of £3000 for 
Library Binding. Work nearly completed, 
219. 
Carter (Wm. Allan), Obituary Notice of, 200. 
Caustic Soda, Solid, Absorption of Carbon 
Dioxide by, by Miss E. Gilchrist, 128-135. 
Cayley’s, a Continuant of, of the Year 1874, by 
Sir Thomas Muir, 111-116. 
Chisholm (G. G. ). Obituary Notice of J. G. 
Bartholomew, 170-176. 
Colloids in Soil, Relation to Thermal Conduc- 
tivity, by T. B. Franklin, 61-67. 
Conjoint Board of Scientific Societies. Question 
of Government Aid to Societies, 219. 
Continuant of Cayley’s of the Year 1874, by 
Sir Thomas Muir, 111-116. 
Contributions, Voluntary, List of, 236. 
Cooper ( W. ). See Briggs (Henry). 
Council, List of, at October 1920 and October 
1921, 212, 220, 237. 
Crombie (D. M. R. ). See Turner (Dawson). 
Delage, Yves, Obituary Notice of, by J. H. 
Ashworth, 182-183. 
Dinner, Royal Societies’, B.A. Meeting, Sep- 
tember 1921, 219. 
Dracaena fruticosa, Koch, Interruption of En- 
dodermis in, by Annette G. Mann, 50-59. 
Dundas (William John), Obituary Notice of, 
200 . 
Dynamics of a Particle, Generalised, by J. H. M. 
Wedderburn, 26-33. 
Endodermis, Interruption of, in Dracaena fruti- 
cosa, Koch, by Annette G. Mann, 50-59. 
Equations of Motion of a Single Particle, by 
J. H. M. Wedderburn, 26-33. 
Eye, Self- Luminosity of the : Fechner’s Law. 
(Abstract), by W. Peddie, 60. 
Fairgrieve (M. M'Callum). The Annual In- 
cidence of Intelligence, and its Measurement 
by the American Army Tests, 150-153. 
Fechner’s Law and the Self- Luminosity of the 
Eye. (Abstract), by W. Peddie, 60. 
Fellows, Honorary, 217, 258. 
Obituary Notices, 158-207. 
List of Ordinary, 238. 
Deceased and resigned in 1920-21, 260. 
Elected in 1920-21, 215, 260. 
Fluid Flow in Uniform Channel, Stability of, 
by H. Levy, 136-147. 
Franklin (T. B.). The Relation of the Soil 
Colloids to the Thermal Conductivity of the 
Soil, 61-67. 
Fraser (Sir Thomas R. ), Obituary Notice of, by 
Harry Rainy, 186-192. 
272 
