748 
INDEX. 
D. 
Denumeration, Compound or Multipartite (MacMahon), 619-673. 
Diffusion of Metals, Solid and Liquid, Constants of (Roberts-Austen), 383-115. 
Dynamo-Electric Machines, Alternate Current; Determination of Curves of Potential of; Ordinary Theory of Armature 
Reaction in, inapplicable in machines experimented upon (Hopkinson and Wilson), 229-252. 
E. 
Earth, Effective Rigidity of the (Hough), 330. 
Eclipse, Description of Huts suitable for observing an (Abney and Thorpe), 436-438. 
Eclipse (Solar), of Sun, April 16, 1893, Brazilian Station, Report on (ShAckleton), 567-573. 
Eclipse (Solar), of Sun, April 16, 1893, Observations relating to Solar Physics (Lockyer), 551-618. 
Eclipse (Solar), of Sun, April 16, 1893, Photometric Intensity of Coronal Light during (Abney and Thorpe), 433-442. 
Elastic Spheroid, the Rotation of an (Hough), 319-344. 
Electric Convection, Problems in (Seaele), 675-713. 
Electrical Properties of Pure Sulphur (Threlfall and Brearley), 57-150. 
Electricity, Energy of Moving Charges, Equilibrium of a Charge on a Moving Surface, Mechanical Force on a Moving 
Charge (Searle), 675-713. 
Electro-magnetic Systems, Equations for Steady Motion of (Seaele), 675-713. 
Evolution, Mathematical Contributions to the Theory of.—III. Regression, Heredity, and Panmixia (Pearson), 253-318. 
F. 
Fluid, Stability of Motion in Annulus of ; Fluid Friction or Viscosity, Experiments on, using a Water Annulus; Variation 
of, with Temperature (Mallock), 41. 
Fowler (A.). Report on Total Solar Eclipse, April 16, 1893 (African Station), 557-567. 
Friction, Fluid, Determining Co-efficient of, by means of a Water Annulus (Mallock), 41. 
Functions P f > m (ju), Q» m (p) by means of definite integrals, Definition of the, 446; PK m (/.i), Qu”‘(/x) for real values 
of /i which are less than unity, Definition of, 469; Expression for functions in powers of — and of n, 463; Toroidal 
functions. Conal functions (Hobson), 523. 
G. 
Galvanometer, Construction and Management of a Sensitive High Resistance (Threlfall and Brearley), 80. 
Gases, On the Application of the Kinetic Theory to Dense (Buebury), 1-14. 
Gold, Alloyed, Effect of Annealing; Micro-structure of; Tenacity of, varies with Alloying Element (Osmond and Roberts* 
Austen), 417-432. 
Gold, Diffusivity of, in Lead, &c. (Roberts-Austen), 383-415. 
H. 
Harmonics, Spherical, of Unrestricted Degree, Order, and Argument, On a Type of (Hobson), 443-531. 
Hearson (T. A.). Kinematics of Machines, 15. 
Heine’s definition of P«00> Remarks on (Hobson), 496. 
Heredity, Regression, and Panmixia (Pearson), 253-318. 
Hobson (E. W.). On a Type of Spherical Harmonics of Unrestricted Degree, Order, and Argument, 443-531. 
Hopkinson (J.) and Wilson (E.). Alternate Current Dynamo-Electric Machines, 229-252. 
Hough (S. S.). The Rotation of an Elastic Spheroid, 319. 
Hysteresis of Iron and Steel in Rotating Magnetic Field, Verification of Law of, Effect of Speed of Rotation on, and 
Unstable Values of at Critical Point (Baily), 715-746. 
I. 
Induced Currents in a Cylindrical Body and their effect on a coil round the centre, Mathematical Determination of 
(Townsend), 533-549. 
Induction Balance, A Sensitive Method of Arranging an (Townsend), 533-539. 
Iron and Steel, Hysteresis of, in a Rotating Magnetic Field (Baily), 715-746. 
Iso-magnetics on Coasts, Necessity for Observations of (Creak), 345. 
