274 Proceedings of the Royal Society of Edinburgh. 
Quantum Theory, iEther and the, by H. S. 
Allen, 34-43. 
Queensferry Road, Note on Conditions for 
Mirage on, by A. G. Ramage, 148-149. 
Rainy (Harry). Obituary Notice of Sir Thomas 
R. Fraser, 186-192. 
Ramage (A. G.). Note on Conditions for Mirage 
on the Queensferry Road, 148-149. 
Rennie (John), Elsie J. Harvey, and P. Bruce 
White. Isle of Wight Disease in Bees. ( Title 
only — published in Transactions), 213. 
Reports of General Secretary and Treasurer, 219. 
Rliynie Chert Bed, Aberdeenshire, Old Red 
Sandstone Plants from, by R. Kidston and 
W. H. Lang, 117-118. 
Roberts (David Lloyd), Obituary Notice of, 204. 
! 
Secretary’s Reports, 1920-21, 219. 
Shearing Force Diagrams, Maximum, for Con- 
centrated Rolling Loads, by A. R. Horne, 
68-72. 
Size, a Neglected Factor in Stelar Morphology. 
President’s Address, by F. 0. Bower, 1-25. 
Soil Colloids, Relation to Thermal Conductivity 
of the Soil, by T. B. Franklin, 61-67. 
Spath (L. F. ). Cretaceous Ammonoidea from 
Angola, collected by Prof. J. W. Gregory, 
F.R.S. ( Title only — published in Transac- 
tions), 213. 
Sprague (Thomas Bond), Obituary Notice of, 
204-206. 
Spring-born Boys’ Intelligence, by M. M‘Callum 
Fairgrieve, 150-153. 
Stability of Fluid Flow in Uniform Channel, by 
H. Levy, 136-147. 
Statutory Meetings, Proceedings of, October 
1920 and October 1921, 211, 219. 
Stelar Morphology : Size, a Neglected Factor 
in. President’s Address, by F. O. Bower, 
1-25. 
Stewart (E. M.), appointed Assistant- Librarian, 
219. 
(Geo. A.), Assistant Secretary. Obitu- 
ary Notices of Fellows, 197-207. 
Subscriptions, Annual, etc., Increase of, 214, 
219. 
Thompson, (J. M‘L). Studies in Floral Mor- 
phology : No. II. Staminal Zygomorphy of 
Couroupita guianensis, Aubl. ( Title only — 
published in Transactions), 215. 
Transactions Papers, Index of, 1920-21, 275. 
Turner (Dawson) and D. M. R. Crombie. 
Experiments with an Electrified Pith Bail 
in an Ionised Atmosphere, 154-157. 
Unwin (F. ). On the Transverse Galvano- 
magnetic and Therm omagnetic Effects in 
several Metals, 44-49. 
Vacuum Flasks, Evaporation of Liquid Air in, 
by H. Briggs, 97-110. 
Voluntary Contributors, List of, under third 
paragraph of Law VI, 236. 
Walker (Robert), Obituary Notice of, 206. 
Wedderburn (J. H. M.). On the Equations of 
Motion of a Single Particle, 26-33. 
Awarded Makdougall-Brisbane Prize, 
218, 219, 227. 
White (P. Bruce) and Elsie J. Harvey. See 
Rennie, John. 
Wilson (C. T. R. ). Awarded Gunning Prize, 
217, 219, 229. 
Address : Some Recent Work on Light- 
ning and Thunderstorms. {Title only), 218. 
Woods (Geo. Arthur), Obituary Notice of, 207. 
Wordie (J. M. ). Shackleton Antarctic Ex- 
pedition, 1914-17. {Titles only) — Papers on 
Weddell Sea — -published in Transactions), 
215, 216. 
