INDEX. 
Accounts of the Society, 1921-22, 416. 
Additions to Library, 448. 
Adsorption, Gaseous, Prehensility : a Factor of, 
by H. Briggs, 26-33. 
Affleck (Sir J. 0,), Obituary Notice of, by A. 
James, 376-379. 
Aircraft, On the Application of the Gyroscope 
to the “Vertical” Problem on, by J. G. 
Gray and J. Gray, 257-317. 
Allelomorphs, Distribution of Frequency Ratio 
of, with and without Selection, by R. A. 
Fisher, 321-341. 
Allen (H. S.). The Magnetic Character of the 
Quantum, 213-220. 
Appleyard (J. R. ), Obituary Notice of, 390. 
Application of the Gyroscope to the Solution of 
the “ Vertical ” Problem on Aircraft, by J. G. 
Gray and J. Gray, 257-317. 
Associate Members, Question of, 405. 
Asymptotic Expansion of the Confluent Hyper- 
geometric Function, by T. M. MacRobert, 
89-96. 
Atom, Quantum Mechanism in, by E. T. Whit- 
taker, 129-142. See also Ewing, Sir J. A., 
Allen, H. S., Houstoun, R. A., and Peddie, W. 
Atomic Models, Importance of Professor Whit- 
taker’s, and others, by W. Peddie, 223-224. 
Awards of Prizes, 410. 
Barclay (G. W. W.), Obituary Notice of, 390. 
Belgium, Academy of Sciences of, 150th Anni- 
versary, 405. 
Berry (Sir G. A.). Represents Society at 150th 
Anniversary of Belgium Academy of Sciences, 
405. 
Bower (F. 0.), President. Represents Society 
at Centenary of Yorkshire Philosophical 
Society, 405. 
Primitive Spindle as a Fundamental 
Feature in the Embryology of Plants. (Presi- 
dent’s Address, published in Froc., vol. xliii. ) 
Briggs (H.). Prehensility : a Factor of Gaseous 
Adsorption, 26-33. 
Results obtained at the Physical Test 
Station, 34-42. 
Brolemann (H. W. ). Myriapods collected in 
Mesopotamia and N.W. Persia, by W. E. 
Evans, 54-74. 
Brown (R. N. R.), and J. Ritchie. Obituary 
Notice of W. S. Bruce, 362-368. 
Brown (late William Gordon). On the Faraday- 
Tube Theory of Electro-Magnetism, with 
Biographical Notice of the Author by Dr 
C. G. Knott, 225-246. 
Bruce (W. S.), Obituary Notice of, by R. N. R. 
Brown and J. Ritchie, 362-368. 
Brussels, Geological Congress at, 405. 
Cadell (H. ]\I.). Geology of the Blackness 
District as disclosed by Recent Borings, 
{Title only), 401. 
Carnegie Trust (Scottish Universities), Thanks 
to, 4 05. 
Carnegie U.K. Trust, Thanks to, 405. 
Chemical Combination and Sir A. Ewing’s 
Magnetic Atom, by A. P. Laurie, 352-361. 
Cleghorn, A., Obituary Notice of, 390. 
Colour Blindness, A New Method of investigat- 
ing, with a Description of Twenty-three 
Cases, by R. A. Houstoun, 75-88. 
Confluent Hypergeometric Function, Asymp- 
totic Expansion of, by T. M. MacRobert, 
89-96. 
Contributions, Voluntary, List of, 423. 
Council, at October 1921 and October 1922, 
400, 406, 424. 
Craig (W.), Obituary Notice of, 390. 
Dickson (Rt. Hon, C. Scott), Obituary Notice 
of, by The Rt. Hon. Lord Salvesen, 380-385, 
(H. N.), Obituary Notice of, by H. R. 
Mill, 386-389. 
Differential Invariants of Quadratic Diflferential 
Forms in Four Variables, by A. R. Forsyth, 
147-212. 
Systems (Linear) and Integral Equa- 
tions, by E. L. Dice, 43-53. 
Dominance Ratio, by R. A, Fisher, 131-341. 
Electro-Magnetism, Faraday-Tube Theory of, by 
the late W. G. Brown, 225-246. 
Electromagnetic Force, Tubes of, by E. T. 
Whittaker, 1-23. 
Elliptic Expansions (Abstract), by R. T. A. 
Innes, 318. 
Equations (Integral) and Linear Differential 
Systems, by E. L, Ince, 43-53. 
Evans (W. E.), Myriapods from Mesopotamia 
and N.W. Persia collected by, by H. W. 
Brolemann, 54-74. 
Ewing (Sir J. A.). On Models of Ferromagnetic 
Action, 97-128. 
Note on Professor Whittaker’s paper 
“Quantum Mechanism in the Atom,” 143- 
146. 
Magnetic Atom, Chemical Combination 
and, by A. P. Laurie, 352-361. 
461 
