750 
INDEX. 
R. 
Regression, Heredity, and Panmixia (Pearson), 253-318. 
Eesidual Charge of Highly Purified Sulphur (Threlfall and Bbearley), 112. 
Roberts-Austen (W. C.). On the Diffusion of Metals, 383-415. 
Roberts-Austen (W. C.) and Osmond (F.). On the Structure of Metals, its Origin and Changes, 417-432. 
Rotation of an Elastic Spheroid, the (Hough), 319-344. 
Rubies of Burma and Associated Minerals, the (Brown and Judd), 151-228. 
S. 
Searle (G. F. C.). Problems in Electric Convection, 675-713. 
Screw Mechanisms, Derivation from Plane Mechanisms (Hearson), 33. 
Shackleton (W.). Report on Total Solar Eclipse, April 16, 1893 (Brazilian Station), 567-573. 
Solutions, Solidified, Gold Alloys Considered as (Osmond and Roberts-Austen), 417-432. 
Specific Inductive Capacity of Highly Purified Sulphur (Threlfall and Bbearley), 73, 76, 97,120; Specific Resistance of 
Highly Purified Sulphur, Behaviour of Mixtures of Modifications, 97; Specific Resistances, Methods of Determining 
High, 74. 
Spherical Harmonics of Unrestricted Degree, Order, and Argument, on a Type of (Hobson), 443-531. 
Spheroid, Elastic, the Rotation of an (Hough), 319. 
Steel and Iron, Hysteresis of, in a Rotating Magnetic Field (Baily), 715-746. 
Sulphur, a New Monoclinic Variety of (“ Aged ” Monoclinic), 71; Electrical Properties (Resistance and Specific Inductive 
Capacity) of Solid Highly Purified, and of Mixtures of Modifications of, 72, 97, 120, 149; General Physical Properties 
of Highly Purified, 69; Irregular Conductivity of, 124, 129; Purification and Testing of (Threlfall and Bbearley), 
59. 
Sun, Total Eclipse of, April 16, 1893 (Brazilian Station), Report on (Shackleton), 567-573. 
Sun, Total Eclipse of, April 16, 1893, Photometric Intensity of Coronal Light (Abney and Thorpe), 433-442. 
Sun, Total Eclipse of, April 16, 1893 (Lockyer), 551-618. 
T. 
Tenacity of Gold Alloys (Osmond and Roberts-Austen), 417-432. 
Thorpe (T. E.) and Abney (IV. de W.). On the Determination of the Photometric Intensity of the Coronal Light during 
the Solar Eclipse of April 16, 1893, 433-442. 
Threlfall (R.) and Bbearley (J. H. D.). Researches on the Electric Properties of Pure Substances.—No. I. The 
Electrical Properties of Pure Sulphur, 57-150. 
Townsend (J. S.). Magnetization of Liquids, 533-549. 
Viscosity, Experiments on (Mallock), 41. 
V. 
w. 
Wilson (E.) and Hopkinson (J.). Alternate Current Dynamo-Electric Machines, 229-252. 
HARRISON AND SONS PRINTERS IN ORDINARY TO HER MAJESTY, ST. MARTIN’S LANE, LONDON, W.C 
