[ ] 
R. 
lieflection and refraction of light, on tlie, 823 (see Schott 
Rodger (J. W.) (see Thorpe and Rodger). 
S. 
Schott (Gf. A.). On the Reflection and Refraction of Right, 823. 
Scott (Charlotte A.). On Plane Cnbics, 247. 
Shafts, on the whirling and vibration of, 279 (see Dcnkerlet). 
Specific heats of the iJaraffinis, and their monohalogen derivatives, on the ratio of the, 1 (see Capstick). 
Spectra, fame, at high temperatures .—Part I. Oxy-hydrogen blow-pipe spectra, 161 (see Hartley). 
Spectroscopicphe7iomena and thermo-chemistry of the Bessemer process, the, 1041 (see Hartley). 
Spectrum, arc, of electrolytic iron, on the pliotographic, 983 (see Lockyer). 
Spectrum, arc, of iron meteorites, on the photographic, 1023 (see Lockyer). 
Spectrum of metallic manganese, of alloys of manganese, and of compounds containing that element, the,. 
1029 (see Hartley). 
Spherical vortex, on a, 213 (see Hill). 
Sun, experimental investigations on the effective temperature of the, made at Daramona, Streete, Co. 
Westmeath, 361 (see Wilson and Gray). 
Sun, preliminary report on the results obtained with the prismatic cameras during the total eclipse of 
the, April 16, 1893, 711 (see Lockyer). 
T. 
Taylor (H. M.). On a Special Form of the General Equation of a Cubic Surface and on a Diagram 
Representing the Twenty-seven Lines on the Surface, 37. 
Thermo-chemistry of the Bessemer process, the, 1041 (see Hartley). 
Thorpe (T. E.) and Rodger (J. W.). On the Relations between the Viscosity (Internal Friction) of 
Liquids and their Chemical Nature.— Bakerian Lecture, 397. 
Tl'TTON (A. E.). An Instrument for Grinding Section-plates and Prisms of Ciwstals of Artificial 
Preparations accurately in the Desired Directions, 887. 
Triton (A. E.). An Instrument of Precision for Producing Monochromatic Light of any desired 
Wave-length, and its Use in the Investigation of the Optical Properties of Crystals, 913. 
V. 
Viscosity [internal friction) of liquids, and their chemical nature, on. the relations between the.— 
Bakerian Lecture. 397 (see Thorpe and Rodger). 
W. 
M hirling and vibration of shafts, on the, 279 (see Dunkerley). 
Wilson (W. E.) and Gray (P. L ). Experimental Investigations on the Effective Temperature of the 
Sun, made at Daramona, Streete, Co. Westmeath, 361. 
HARRISON AND SONS, 
PRINTERS IN ORDINARY TO HER MAJESTY, ST. MARTIn’s LANE, LONDON, W.C. 
