XVI 



Index 



\SiiJ>plei>ieni to Nature^ 

 L Aoz'eviber 30, 1893 



Electricity : Instrument for Measuring Difference in Phase 

 between Current in Ci cuit and Impressed Electromotive 

 force, 13 ; Reflection of Electrical Waves at Extremity of 

 Linear Conductor, M. Birkeland, 14 ; the Reflection of Elec- 

 trical Waves in Wires, J. von Geitler, no; Interference of 

 Electric Waves after Reflection from Metallic Screen, Messrs. 

 Saracin and De La Rive, 252 ; Interlerence Phenomena in 

 Electric Waves passing through Different Thicknesses of 

 Electrolyte, G. U. Yule, 261 ; on the Passage of Electric 

 Waves through Layers of Electrolyte, 527 ; Electro-Optics, 

 A. B. Basset, F.R.S., 34; the Electro-Chemical Actino- 

 meter, M. Rigollot, 38 ; Influence of Longitudinal Mag- 

 netisation on Electromotive Force, M. Chassagny, 38 ; 

 Luminous Discharges in Electrodeless Vacuum Tubes, 45 ; 

 Oscillations of Low Frequency and their Resonance, Mr. 

 Pupin, 60; the Production of Oscillations and their Relations 

 lo Discharge Tubes, lI.Ebertand E. Wirdemann, 91 ; Appa- 

 jratus for producing Hertzian Oscillations of Short Wave- 

 ength, Augusto Righi, iSi ; Oscillations of very Small 

 Wave-lengths, Augusto Righi, 299 ; Methods for Experi- 

 ments on Oscillations of Comparatively Long Period, P. Janet, 

 423 ; Oscillations of Lightning Discharges and Aurora 

 Borealis, John Trowbridge, 535, 571 ; the Cause of Earth 

 Currents, O. E. Walker, 60 ; High Frequency Electric 

 Experiments, A. A. C. Swinton, 63 ; on Light and other 

 High Frequency Phenomena, Nikola Tesla, 136; Behaviour 

 of Po-itive and Negative Electricity in High Frequency 

 Discharges, Messrs. Harvey and Hird, 252 ; Electrolysis of 

 Steam, J. J. Thomson, F. R. S., 70; Theoretical Investiga- 

 tions on Electrolysis by Alternating Currents, R. Malagoli, 

 423 ; on our Present Knowledge of Electrolysis and Electro- 

 chemistry, T. C. Fitzpatrick, 527 ; M. Goure de Villemon- 

 tec's Attempts to Prepare Metallic Surfaces giving a Constant 

 Difference of Potential, 78 ; Comparison of Intensities of 

 Light by the Protoelectric Method, J. Elster and H. Geitel, 

 91 ; Electric Organ of the Skate, the, J. C. E>»art, 93 ; Cap- 

 ture by means of Wild Horses of Electric Eels in Caraccas, 

 Humboldt's Story controverted, 324 ; Electric Fishes, D.-. 

 McKendrick, 593 ; Opening of New Electrical and Engineer- 

 ing Laboratories at University College, 107 ; Question of 

 True Hysteresis in Case of Dielectrics, Charles Borel, 

 no; Electrical Congress at Chicago, Intended, 131 ; 

 Telephonic Communication by Water and Gas Pipes, 132 ; 

 Long-distance Telephony, Prof. J. Perry, F. R. S., 263 ; 

 Researches with the Elecric Furnace, M. Moissan, 134 ; 

 Volatilisation of Metals in the Electric Furnace, M. Moissan, 

 207 ; Crystallised Silicide of Carbon obtained with M. 

 Moissan's Electric Furnace, 572, 573 ; Electrical Discharges, 

 H. Ebert and E. Wiedermann, 140 ; Absolute Measure- 

 ments on Discharge from Points, Julius Precht, 141 ; Ap- 

 paratus for Studying Action of Discharge on Oxygen, W. 

 A. Shen-tone and M. Priest, 159 ; New Material for High 

 Resistances, E. Jonas, 135 ; Heating Effects of Small Cur- 

 rents necessary to measure Resistance, Messrs. Griffiths and 

 Clark, 15s ; Determination of Electrical Resistances by 

 means of Alternating Currents, F. Kohlrausch, 259 ; 

 Bridge and Commutator for Comparing Resistances, F. 

 H. Nalder, 263: M. E. Dacretet's Method for Making 

 High Resistances without Self induction, 353 ; Instrument 

 for Measuring Resistance of Human Body, M. Mergier, 

 353 ; on Standards of Low Electrical Resistance, J. 

 Viriamu Jones, 528 ; Resistance of Bismuth, M. Van Aubel, 

 571 ; the Hydrophone, Capt. McEvoy, 159 ; a New Method 

 of Bright Depositing Electrolytic Copper, J. W. Swan, 

 160; Magnetic Viscosity, J. Hopkinson, F.R.S., E. 

 Wilson and F. Lydall, 165 ; Physiological Effects of Alter- 

 nating Currents frou Aerostatic Machines, Dr. Stephane 

 Leduc, :8o; the Capacity of Polarisation, M. BDUty, 180; 

 Polarising Effects of Refraction of Light, K. Exner, 260 ; 

 the Natureof Depolarisers, Prof. H. E, Armstrm^^, F.R.S,. 

 308 ; Polarisation of Platinum Electrodis in Sulphuric Acid, 

 J. B. Henderson, 310; Residues of Polarisation, E. Biuty, 336 ; 

 Polarisation, using a Thin Metal Partition in a Voltameter, 

 John Daniel, 524 ; Influence of State of Surface of Platinum 

 Electrode upon its Initial Capacity of Polarisation, J. Colin, 

 584; an Electrical Horsewhip, 181 ; Walerpipes damaged 

 by Electrolytic Action of Return Current from Electric Rail- 

 way, C. H. Morse, 181 ; Existing Submarine Cables, 181 ; 

 Effect of City and South London Electric Railway on Earth, 

 W. H. Preece, F. R. S., 205 ; Dynamo Electric Machinery, 

 Silvanus P. Thompson, 193 ; a New S andard Condenser, P. 



Curie, 206 ; M. Abraham, 206 ; Action of Platinum and 

 Copper Electrodes, and of Acid and Neutral Solutions upon 

 Amount of Copper Deposit, Dr. Oettel, 230 ; Experiments 

 upon Attraction between Two Vacuum Tubes, Sir David Salo- 

 mons, 230 ; the Rotatory Power of Quartz at Low Tempera- 

 tures, MM. Soret and Guye, 230 ; Specific Rotation of Salts 

 independent of Electrolytic Dissociation, Herr Schonrock, 

 230; DielectricConstantsof Biaxial Crystals, Ch. Borel, 240; 

 Temperature CoetTicient of Dielectric Constant of Pure Water, 



F. Heerwagen, 260 ; Relation of Dielectric Constants to 

 Indices of Refraction, P. Drude, 312 ; Alternate Current 

 utilised for investigating Dielectric Constants of Solids, Dr. 



G. Benischke, 378 ; a New Correlation between Light and 

 Electricity, Dr. G. B, Rizzo, 377 ; Prof. Perry's New Elec- 

 tric Current Meters, 252; Influence Machines, W. R. Pid- 

 geon, J. Wimshurst, and E. E. Robinson, 263 ; Compact Sul- 

 phuric Acid Small-resistance Voltameter, R. W. Paul, 263 ; 

 Use of Cupric Nitrate in the Voltameter, 431 ; Simple Form 

 of Autom.itic Cut-out, Felix Leconte, 274 ; a Substitute for 

 Ampere's Swim iier, Alfred Daniell, 294 ; Hanna Adler, 370 ; 

 a One-Volt Standard Cell, H. S. Carhart, 309 ; the Preven- 

 tion and Control of Sparking, W. B. Sayers, 324 ; Sir Francis 

 Ronald's Experiments in Telegraphy, John Sime, 325 ; Con- 

 tributions to the Theory of Secondary Batteries, Franz 

 Streiniz, 333 ; Electricity and Life, II. N. Lawrence, 350 ; 

 Electric Excitability of Muscles after Death, the Myophone, 

 M. d'Arsonval, 399 ; Lord Kelvin's New Electrical Measur- 

 ing Instruments, 399 ; Flow and Dissipation of Energy in 

 Electric Circuits of Measurable Inductance and Capacity, 

 A. W. Porter, 406 ; Electrical Action of Light upon Silver 

 and its Haloid Compounds, Col. Waterhouse, 423 ; New 

 Electric Fire Ala'm, MM. Delahaye and Boulille, 423; 

 Vorlesung iiher Maxwell's Theorie der Electricitiit und des 

 Lichtes, Dr. Ludwig Boltzmann, 435 ; the Works of the 

 Cataract Construction Company at Niagara Falls, 444 ; 

 Water Power as a Sjurce of Electricity, A. B. Snell, 557 ; 

 New System of Electric Control of Clocks, F. von Hefner- 

 Alteneck, 445 ; M. d'Arsonval's Experiments on Effects of 

 Strong Alternating Magnetic Fields on Animals, 481 ; 

 Dr. W. S. Hedley on M. d'Arsonval's Work, 481 ; on 

 the Period of Vibration of Disturbances of Electrifica- 

 tion of the Earth, Prof G. F. Fitzgerald, 526 ; Electric 

 Interference Phenomena, E. H. Barton, 527 ; Untersuch- 

 ungen iiber die Ausbreiiung der Electrischen Kraft, Dr. 

 Heinrich Hertz, 538 ; Electric Heating Appliances for 

 Domestic Use, Mr. Binswanger, 546 ; Cost of Electric 

 Lighting of Trains, 546 ; Relative Cost of Conductors with 

 Different Systems of Electrical Power Transmission, 556 ; 

 Variable Power Gear for Electrical Locomotives, Mr. 

 Beaumont, 557 ; A Manual of Electrical Science, Geo. J. 

 Burch, 583 ; the Effect of Water Vapour on Electrical Dis- 

 charges, Prof. J. J. Thomson, 605 ; Luminous Phenomena in 

 Vessels filled with Rarefied Gas under influence of Rapidly 

 Alternating Electric Fluids,!!. Ebert and E. Wiedermann, 607 ; 

 Solubility of some " Insoluble " Bodies in Water determined 

 by Electric Conductivity of Solution, F. Kohlrausch and F. 

 Rose, 607 ; Generation of Electricity by Small Drops, L, 

 Holz, 607 ; Conductivity of Copper Chloride Solution, R. J. 

 Holland, 620 ; Discrepancies in Values obtained for Difference 

 of Potential required to pierce Paraffin Slab, Dr. Monti, 620 ; 

 Electrical Method of Fog-signalling, 621 ; the Thickness and 

 Electrical Conductivity of Thin Liquid Films, A.W. Reinold, 

 F.R.S.,624; Electric Conveyance of Heat, L. HouUevigue, 

 632 



Elgar (Dr. F.), Fast Ocean Steamships, 278 



Eliot (Mr.), the Three Indian Cyclones of November, 1891, 545 



Elliott (Scott), Proposed Exploration of Uganda, 444 



Ellis (J. D. ), Experiments on Combinations of Induced Draughts 

 and Shot Air, applied to Marine Boilers, 278 



Ellis (T. Muliett), Reveries of World's History from Earth's 

 Nebulous Origin to its Final Ruin ; or, the Romance of a 

 Star," 411 



Elms, Artistic Rows of, Rev. Alex. Freeman, 223 



Elster (f.). Comparison of Intensities of Light by the Photo- 

 electric Method, 91 



Embryology, Vertebrate, A. Milnes Marshall, Prof. E. Ray 

 Lankester, F. R.S., 265 



Emerson (P. H.), on English Lagoons, 515 



Emin Pasha, the Reported Death of, 481 



Enamel for Protecting Cast-iron, New, Fletcher, Russell and 

 Co., 57 



