Index. 
273 
Functions, Confluent Hypergeometric, of Two 
Variables, by P. Humbert, 73-96. 
Galloway (T. Lindsay), Obituary Notice of, by 
W. P Ker, 193-194. 
Gas under Pressure, Adsorption of, by H. Briggs 
and W. Cooper, 119-127. 
Gatehouse (Tom Ernest), Obituary Notice of, 
201 . 
George Heriot’s Trust, Representative on, 220. 
Gilchrist (Elizabeth). Utilisation of Solid 
Caustic Soda in the Absorption of Carbon 
Dioxide, 128-135. 
Gilruth (Geo. Ritchie), Obituary Notice of, 202. 
Government Assistance Conjoint Board of 
Scientific Societies, 219. 
Gregory (J. W.). Supplementary Note on the 
Geology of Benguella in relation to its 
Cephalopods and the History of the South 
Atlantic. ( Title only — published in Trans- 
actions), 213. 
Gunning Victoria Jubilee Prize to Mr C. T. R. 
Wilson, 217, 219, 229. 
Harvey (Elsie J.) and P. Bruce White. See 
Rennie, John. 
Helme (Thomas Arthur), Obituary Notice of, 
202 . 
Honorary Fellows, elected and deceased 1920-21, 
217, 260. 
List of, 258. 
Horne (Alex. R.). On a Graphical Method of 
determining Shear Influence Lines and Dia- 
grams of Maximum Shearing Force for a 
Beam subjected to a Series of Concentrated 
Rolling Loads, 68-72. 
Humbert (Pierre). The Confluent Hypergeo- 
metric Functions of Two Variables, 73-96. 
Hunter (James), Obituary Notice of, 202. 
Hypergeometric Functions, Confluent, of Two 
. Variables, by P. Humbert, 73-96. 
Index of Papers published in Transactions , 
1920-21, 275. 
Influence Lines, Shear, by A. R. Horne, 68-72. 
Intelligence, Annual Incidence, by M. M‘Callum 
Fairgrieve, 150-153. 
Ionised Atmosphere, Electrified Pith Ball in, 
by Dawson Turner and D. M. R. Crombie, 
154-157. 
Ker (W. P. ). Obituary Notice of T. Lindsay 
Galloway, 193-194. 
Kidston (R. ) and W. H. Lang. On Old Red 
Sandstone Plants showing Structure, from the 
Rhynie Chert Bed, Aberdeenshire, Parts IV 
and V. (Abstract — full papers in Trans- 
actions), 117-118. 
Knott ( C. G. ) . Obituary N otice of J ohn Aitken, 
177-181. 
Lamont (Augusta). Development of the 
Feathers of the liuck during the Incubation 
Period. {Title only), 218. 
Lang(W. H.). See Kidston (R.). 
Laplace’s Equation in n Dimensions, Solution of, 
by P. Humbert, 73-96. 
Law VI, Changes in, 214, 219. 
VOL. XLI, 
Laws, 265. 
Changes in, 214, 219. 
Levy (H.). Criterion for Stable Flow of Fluid 
in a Uniform Channel, 136-147. 
Library, Additions to, 261. 
— t Binding in, Grant from Carnegie U.K. 
Trust, 219. 
Liquid Air, Analysis of Losses by Evaporation 
of, by H. Briggs, 97-110. 
Liston (Lt.-Col. W. G.). Plague and Rats. 
{Title only), 216. 
Luminosity, Self-, of the Eye: Fechner’s Law. 
(Abstract), by W. Peddie, 60. 
Macdonald (George). Obituary Notice of Robert 
Munro, 158-169. 
Macnair (P. ) and Colin M. Leitch. The Genus 
Clisiophyllum. {Title only), 216. 
Magnetic Tubes of Induction as Quanta, by H. 
S. Allen, 34-43. 
Makdougall- Brisbane Prize awarded to Prof. J. 
H. M. Wedderburn, 218, 219, 227. 
Mann (Annette G.). Observations on the In- 
terruption of the Endodermis in a Secondarily 
Thickened Root of Dracaena fruticosa, Koch, 
50-59. 
Marshall (John). A Generalisation of Lagrange’s 
Equations of Motion and their Hamiltonian 
Forms. {Title only), 215. 
Martin, (SirT. Carlaw), Obituary Notice of, 203. 
Meetings of the Society, Proceedings of Ordinary, 
213. 
Proceedings of Statutory, 211, 219. 
Membership, Question of Junior Grade of, 220. 
Metals, Transverse Effects in, by F. Unwin, 
44-49. 
Mirage, Note on Conditions for, by A. G. 
Ramage, 148-149. 
Muir (Sir Thomas). Note on a Continuant of 
Cayley’s of the Year 1874, 111-116. 
Munro (Robert), Obituary Notice of, by George 
Macdonald, 158-169. 
Mylne (Rev. R. S.), Obituary Notice of, 203. 
Obituary Notices of Fellows, 158-207. 
Oliphant (James), Obituary Notice of, 203. 
Ordinary Meetings, Proceedings of, 213. 
Papers read during 1920-21, 213. 
Particle, Single : Equations of Motion of, by 
J. H. M. Wedderburn, 26-33. 
Peddie (W.). On Fechner’s Law and the Self- 
Luminosity of the Eye. (Abstract), 60. 
The Avoidance of Relativity which is 
not of the Galileo-Newtonian Type. {Title 
only), 214. 
Pith Ball, Electrified, in an Ionised Atmosphere, 
by Dawson Turner and D. M. R. Crombie, 
154-157. 
President’s Address. Size, a Neglected Factor 
in Stelar Morphology, by F. O. Bower, 1-25. 
Prevost(E. W.), Obituary Notice of, by Henry 
Barnes, 184-185. 
Prizes, Rules, and List of Awards, 221-229. 
Proceedings of Ordinary Meetings, 213. 
of Statutory Meetings, 211, 219. 
18 
