December 13, 1900 . 



Index 



XX XVI 1 



Technical Education : Extensions of the Dyeing Department of 

 Yorkshire College, 115; the Consultative Committee and 

 Technical Education, Prof. J. Wertheimer, 294 



Teeth : the Cause and Prevention of Decay in Teeth, T. Sim 

 Wallace, 149 



Telegraphone, Poulsen's, Louis Olivier, 273 



Telegraphy, Wireless : Maximum Sensitiveness in Coherers, A 

 Blondel and G. Dobkevitch, 23 ; Wireless Telegraphy from 

 Free Balloon, J. Vallot and J. and L. Lecarme, 95 ; Wireless 

 Telegraphy in French Navy, 396 ; Wireless Telegraphy and 

 Hertzian Waves, S. R. Bottone, 522 ; Human Body as 

 Screen in Wireless Telegraphy, E. Guarini and F. Poncelet, 

 568 



Telephonographs, the, Herr Paulsen, 61 



Telephony: Recording Telephones, 371; Wire Fence Com- 

 munication in Indiana, 374 ; Telephony by Kites, 578 



Telescopes: Colour Screens for Refracting Telescopes, T. J. J. 



See and G. H. Peters, 37 ; on the new Form of Refracting 



Telescope recently erected at Cambridge, A. R. Hinks, 565 ; 



a Night with the Great Paris Telescope, C. P. Butler, 574 



.Temperature Control of Spectrograph, Prof. W. W. Campbell, 



Temperature, on the Relation of Radiation to, Dr. Larmor, 

 562 ; Prof. Fitzgerald, 562 



Temperatures of Recently Killed Chamois, G. Stallard, 293 



Tenacity of Life of the Albatross, Prof. John Perry, F.R.S., 

 621 ; Captain W. J- Reed, 621 



Tennant (Pamela), Village Notes, and Some Other Papers, 340 



Tesla (Nikola), Recent Electrical Experiments, 116 



Textile Industries, on the Recent Improvements in the, Dr. A. 

 Liibmann, 567 



Textile Patterns of the Sea Dayaks, on the, Dr. A. C. Haddon, 

 634 



Thackeray (W. G.), Relation between Solar Activity and 

 Earth's Motion, 20 



Theoretical and Physical Chemistry, Part ii., Chemical Statics, 

 J. H. van 't Hoff. 245 



Therapeutic Electricity and Practical Muscle Testing, W. S. 

 Hedley, 30 



Thermal Radiation, a Simple Experiment in. Dr. K. T. 

 Fischer, 103 



Thermometry: Gas Thermometry, Dr. P. Chappuis, 214; a 

 Comparison of Impure Platinum Thermometers, H. M. Tory, 

 214; the Thermal Properties of Fused Silicas, P. Villard 

 and M. Dufour, 255 ; the Air Thermometer at High Tem- 

 peratures, L. Holborn and A. Day, 381 ; E. H. Griffiths' 

 Form of Wheatstone Bridge for determining the Freezing 

 Points of Dilute Solutions by Platinum Thermometry, 563 ; 

 the Gas Thermometer at High Temperatures, L. Holborn 

 and A. L. Day, 568 



Thirlmere Reservoir, on the Formation of New Beaches on the 

 Shores of, R. D. Oldham, 588 



Thomas (Miss Ethel N.), on Double Fertilisation in a Dicoty- 

 ledon Caltha paluslris, 612 



Thomas (H. H.), Undescribed Trilobites in Oxford University 

 Museum, 262 



Thomas (J. W. ), on the Physical Effects of Wind in Towns and 

 their Influence on Ventilation, 563 



Thomas (Oldfield), the White Rhinoceros on the Upper Nile, 

 599 



Thomas (V.), the Estimation of Thallium, 96 



Thompson (Prof. J. Arthur, F.R.S.), Facts of Inheritance, 

 331 



Thompson (R. C), the Reports of the Magicians and Astro- 

 logers of Nineveh and Babylon, 51 



Thompson (Prof. S. P.), an Electro-magnetic Experiment, 71 ; 

 "Coma," 118; Relative Advantages of Alternate and Con- 

 tinuous Current for General Electrical Supply, with regard to 

 Interference with other Interests, 417 



Thomson (Prof. J. J., F.R.S.), some Speculations as to the 

 Part Played by Corpuscles in Physical Phenomena, 31 



Thomson (James), Death and Obituary Notice of. 83 



Thorn (Arthur S), Functions of an Organ of a Larva of the 

 Puss Moth, 389 



Thorp's (Thos.), Modification of Prof. Wood's Diffraction 

 Process of Colour Photography, 580 



Thorpe (J. F. ), Ethyl Sodio- and Methylsodio-cyanacetates, 

 143 ; the oa-/8;8-tetramethylglutaric acids, 143 ; 3-isopropyl- 

 glutaric Acid and Cis- and 7Va«j-methylisopropylglutaric, 

 Acids, 143 ; New Series of Pentamethylene Derivatives (i) 



261 ; Action of Sodium and Methyl Iodide on Ethyl Dimethyl- 

 butanetricarboxylate, 261 



Thorpe (Dr. T. E., F.R.S.), Pottery and Plumbism, 42 ; 

 Report of Government Laboratory, 499 ; Writing Ink, 554 



Thoulet (J.), Fixation of Clay in Suspension in Water hy Porous 

 Bodies, 191 



Threlfall (R.), on Mr. E. H. Griffiths* Form of Wheatstone 

 Bridge for Determining the Freezing Points of Dilute Solu- 

 tions by Platinum Thermometry, 563 



Tibet, the High Level Flora of, W. B. Hemsley, 46 



Tidal Waters, the Reclamation of Land from, Alexander 

 Beazeley, 266 



Tiddeman (R. H.), on the Formation of Reef-knolls, 587 ; on 

 the Raised Beach of Gower in South Wales, 588 



Tides, a Partial Explanation of some of the Principal Ocean, 

 R. A. Harris, 258 



ridswell (Dr. Frank), Rats and Plague, 273 



Tiger Beetle, the, Fred. Enock, 208 



Timiriazeff (Prof. Clement), Chlorophyll a Sensitiser, 102 



Tobacco, 576 



Todd (Prof.), on the Application of the Electric Telegraph to 

 the Furtherance of Eclipse Research, 565 ; on Operating 

 Eclipse Instruments Automatically, 565 ; on the Use of a 

 Wedge of Yellow Optical Glass in giving Correctly Gra- 

 duated Photographic Exposures of the Partial Phases of an 

 Eclipse and the Corona, 565 



Toepler (Prof. Max), Globe Lightning, 350 



Tommasi-Crudeli ( Prof. Corrado), Death and Obituary Notice 

 of, 228 



Torpedo-fish, Beitragezur Physiologie des Elektrischen Organes 

 der Zitterrochen (Torpedo), Siegfried Garten, 290 



Torres Straits, Genealogical Researches in. Dr. W. H. R. 

 Rivers, 71 



Tory (H. M.), a Comparison of Impure Platinum Thermo- 

 meters, 214 



Totemism, on the Animal Cults of the Natives of Sarawak and 

 their bearing on the Problems of, Dr. C. Hose, W. 

 McDougall, 634 ; Mr. Hartland, 635 



Tour through Great Britain in 1727, a, S. L. Petty, 496 



Touren (Charles), Solubility of Mixture of Salts having Common 

 Ion, 72 



Townsend (J. S.), the Conductivity produced in Gases by the 

 Motion of Negaiively-charged Ions, 340 



Toxicology : Plotosus canius and the " Snake-stone," D. 

 Hervey, 79 ; the Poison of Lotus Arabicus, W. R. Dunstan, 

 F.R.S., and T. R. Henry, 238 



Trade, some Scientific Aspects of, 117 



Transactions of American Mathematical Society, 260, 519 



Transbaikalian Railway, the, 253 



Transit of Venus, Jeremiah Horrocks and the, 257 



Traquair (Ramsay H., F.R.S.), Opening Address in Section D 

 of the British Association, 502 



Travel, Notes on Sport and, George Henry Kingsley, 5 



Treille (Dr. Georges), Principes D'llygiene Coloniale, 620 



Trembling of the Aspen Leaf, the, Henry J. Colbourn, 436 



Triangulation, Acoustical, A. J. Mundy, 422 



Tripei (M.), Action of High Frequency Currents on Elementary 

 Respiration, 240 



Trolley Wires, Overhead, What Pressure is Dangerous on Elec- 

 tric Railways with, William Rung, 399 



Trouton (Fred. T., F.R.S.), the Solidification of Alloys, 523 



Trouton (Dr.), on the Creeping of Liquids and on the Surface 

 Tension of Mixtures, 562 



Trow (Prof.), on the Biology and Cytology of Pythium, 613 



Trowbridge (Prof. John), Production by Battery Currents of X- 

 rays, 211 ; some Results obtained with a Storage Battery of 

 Twenty Thousand Cells, 325 ; Spectra of Hydrogen and 

 Aqueous Vapour, 568 



Tschirch (A.), Die Harze und die Harzebehalter, 316 



Tucker (R.), the London Mathematical Society, 294 



Tunis : Vinification dans les Pays Chauds — Algerie et Tunisie, 

 J. Dugast, 74 



Tunnels, the Great Alpine, Francis Fox, 281 



Tunnicliffe (Prof. F. W.), the Opening of the Medical Schools, 

 572 



Turbellarien, Monographic der, ii., Tricladida Terricola (Land- 

 planarien). Prof. Ludwig von Graff, F. W. Gamble, 241 



Turbine System, Parson's Steam, H.M.S. Viper, 322 



Turner (Prof. H. H.), Photometry of Corona, April 16, 1893, 

 86 ; Oxford University Observatory, no; on a Cheap Form 



