[ ] 
’(.'rystals of artificial preparations, an instrument for grinding section-plates and prisms of, 8S7 (see 
Tutton). 
Cuhic surface, on a special form of the general equation of a, and on a diagram representing the t^entj- 
seven lines on the surface, 37 (see TATr.OR). 
t'ahics, on plane, 247 (see Scott). 
D. 
Dunkeklet (S.). On the Whirling and Vibration of Shafts, 279. 
TJynamical theory of the electric and luminiferous medium, a, 719 (see L.trmor). 
E. 
Eclipse of the sun, April 16, 1893, preliminary report on the results obtained with the prismatic cameras 
during the total, 711 (see Lockyee). 
Electric and luminiferous medium, a dynamical theory of the, 719 (see Larmor). 
Electrolytic iron, on the photographic arc siiectrum of, 983 (see LockVee). 
Equation of the general cubic surface, 37 (see Taylor). 
Evolntio7i, contributions to the mathematical theory of, 71 (see Pearson). 
F. 
Flame spectra at high temperatures. —Part I. Osy-hydrogen blow-pipe spectra, 161.—Part II. The 
spectrum of metallic manganese, of alloys of manganese, and of compounds containing that element, 
1029.—Part 111. The spectroscopic phenomena and thermo-chemistry of the Bessemer jn’ocess, 1041 
(see Hartley). 
G. 
Gases, on the speeilic heats of, at constant volume.—Part II. Carbon dioxide, 943.—Part III. The 
specific heat of carbon dioxide as a function of temperature, 961 (see Joly). 
(.Tenerating functions in the theory of numbers, a certain class of, III (see MacMahon). 
Gray (P. L.) (see Wilson and Gray). 
Grinding section-plates and prisms of crystals of artificial preparations accurately in the desired directions, 
an instrument for, 887 (see Tutton). 
H. 
Hartley (W. N.). Flame Spectra at High Temperatures.—Part I. Oxy-hydrogen Blow-pipe Spectra, 
161.—Part II. The Spectrum of Metallic Manganese, of Alloys of Manganese, and of Compounds 
containing that Element, 1029.—Part III. The Spectroscopic Phenomena and Thermo-Chemistry 
of the Bessemer Process, 1041. 
Hell (J. ]\L). On a Spherical Vortex, 213. 
