Index 499 



Seakle, G. F. C. See Molin, K. 



Sea-urchins, Hermaphrodite (Gray), 481. 



Seth, J. B., Elected Fellow 1919, November 24, 213. 



Sewabd, a. C, The origin of the vegetation of the land, 215. 



Shah, N. M., Elected Fellow 1920, May 3, 216. 



Shearer, G., Elected Associate 1920, January 26, 214. 



Shell, Disturbances in the Initial Motion of a (Fowler and Lock), 311. 



Shimiztj, T., Elected Associate 1920, May 17, 217. 



Slater, F. P., Elected Associate 1919, October 27, 213. 



Smart, W. M., Elected Fellow 1920, May 17, 217. 



Solid Sphere, CooUng of a, with a Concentric Core of a Different Material 

 (Carslaw), 399. 



Specific Inductive Capacities of Liquids, Laboratory Valve method for deter- 

 mining the (Whiddington), 445. 



Spectra, Projecting, Apparatus for (Hartridge), 480. 



Spectrum lines, Effect of Magnetic field on the Intensity of (Waran), 45, 428. 



Spherical triangle, Hart circle of a (Baker), 116. 



Staining, Vital (Potts), 231 



Staples-Browne, R. C, Elected Fellow 1920, November 22, 486. 



Summable series. Theorem concerning (Hardy), 304. 



Sutherland's Constant in the Kinetic Theory of Gases, Theoretical Value of 

 (James), 447. 



Swain, L. M., Elected Associate 1920, November 22, 487. 



Symbolical methods in the theory of Conduction of Heat (Bromwich), 411. 



Tamaki, K., and Harrison, W. J., On the stability of the steady motion of 

 viscous Mquid contained between two rotating coaxal circular cylinders, 

 455. See also Transactions, xxn. 



Tarsius spectrum, Gluteal region of (Appleton), 466. 



Taylor, G. L, Elected Fellow 1919, November 24, 213. 



Tides in the Bristol Channel, 320. 



Experiments with Rotating Fluids, 326. 



Tensor Form of the Equations of Viscous Motion (Milne), 344. 



Tetrahedra, Generation of sets of four (Hantjmanta and Baker), 155. 



Thacker, a. G., and Lanchester, W. F., Preliminary note on the superior 

 vena cava of the Cat, 228. 



Theorem of Polya (Landau), 14. 



Thomas, T., Elected Fellow 1920, March 8, 215. 



Thomson, G. P., Elected Fellow 1919, November 24, 213. 



A note on the nature of the carriers of the Anode Rays, 210. 



Tides in the Bristol Channel (Taylor), 320. 



Transformations of rectangular axes (Baker), 147. 



Transformations with an absolute quadric (Baker), 145. 



Triode Vacuum Tubes (Appleton), 239. 



Vacin, E. F., Elected Associate 1919, October 27, 213. 



