XXXVlll 



Index 



r Nature, 



L December 13, 1900 



\ of Micrometer for determining Star Positions on Photographic 



Plates, 565 ; on Preparations for Determining the Solar 



Parallax by Observations of Eros, 565 

 Turner (Sir Wni., F.R.S.), Craniology of Indian Hill Tribes, 



263 ; Inaugural Address at the Bradford Meeting of the 



British Association, 440 

 Tylor (Prof. E. B.), on the Stone Implements of the Natives of 



Tasmania, 636 

 Type Specimens, on the Registration of, Rev. J. F. Blake, 587 

 Tyrer (C. T.), American, Russian and French Turpentines and 



Terebenes, 322 

 Tyrol, South, Rock-structures in the Isle of Man and in, Dr. 



Maria M. Ogilvie Gordon, 7 



Udall (W.), ;8-Isopropylglutaric Acid and Cis- and Trans- 

 Methylisopropylglutaric Acid, 143 



Uhlenhuth (Dr. R.), Preparation of Free Hydroxylamine, 376 



Ujfalvy (C. de), the White Huns, 323 ; Craniology of Irano- 

 Indians, 351 



UUswater, on the Mode of Formation of the Basal Carboniferous 

 Conglomerate of, R. D. Oldham, 588 



Ulrich (Prof. G. H. F.), Death and Obituary Notice of, 272 



Ulva laiissuna, on the Relation of to the Pollution of Sea- 

 water by Sewage, Prof. Letts, J. Hawthorn, 611 



Ulva latissinia, on the Effect of Salts on the COj Assimilation 

 of, E. A. Newell Arber, 611 



Umberto, King, a Recollection of, Prof, W. E. Ayrton, F.R.S., 

 320 



Umow (N.), Objective Presentation of Properties of Polarised 

 Light, 211 



Underground Heat, the Rate of Increase of, James Stirling, 555 



United States : Chemistry in the United States, Prof. Chandler, 

 301 ; the Ore Deposits of the United States and Canada, J. F. 

 Kemp, 365 ; Biological Lectures from the Marine Laboratory 

 at Woods' HoU for 1899, 411 ; Brief Guide to the Commoner 

 Butterflies of the Northern United States and Canada, Samuel 

 Hubbard Scudder, 411; Pisciculture in the United States, 

 Dr. Whitten, 423 ; Disastrous Hurricane in the United 

 States, 489 ; Year-book of the United States Department of 

 Agriculture, Prof. R. Warington, F.R.S., 597 



Units at the International Electrical Congress, 414 



Universe, from Matter to Man, a New Theory of the, A. Red- 

 cote Dewar, Prof. R. Meldola, F.R.S., 493 



Universities: University Intelligence, 22, 45, 69,91, 118, 141, 

 165, 188, 209, 238, 259, 284, 311, 334, 380, 431, 463, 

 492, 519, 543, 591, 614, 638; University of Birmingham, 

 141 ; a Modern University, 184, 203 ; the New Physical 

 J^aboratory at Owens College, 250 ; the New Senate of the 

 University of London, Rev. Dr. A. Irving, 549 



Unveiling of the Huxley Memorial Statue, the, 10 



Ursprung der Kultur, der, L. Frobenius, loi 



Urinary Sediments, Atlas of, Dr. Hermann Riedel, 53 



Vaes (F. J.), Valve Motions of Engines, 31 

 Vallot (J. and H. ), the Proposed Mont Blanc Railway, 62 

 Vallot (J.), Wireless Telegraphy from Free Balloon, 95 

 Valve Motions of Engines, F. J. Vaes, 31 ; Prof. John Perry, 



F.R.S., 31 

 Variable Stars: New Variable in Taurus, Madame Ceraski, 



19; New Variable Star observed in Cepheus, Madame 



Ceraski, 183 ; New Variable in Herculis, Madame Ceraski, 

 305 ; New Variable in Auriga, Dr. T. D. Anderson, 161 ; 



Variable Stars in Clusters, 3152 ; Rousdon Observatory (Devon; 



Variable Stars, T Cassiopeiae and R Cassopeiie, Sir C. E.) 



Peek, 398 

 Variation in Plants of the Herb Paris, Miss L. Eleanor Jex- 



Blake, 174 

 Vaubel (Dr.), the Phenyl Derivative of Diimide, 255 

 Velocities of Meteors, Dr. W. L. Elkin, 398 

 Ventilation, on the Physical Effects of Wind in Towns and 



their Influence on, J. W. Thomas, 563 

 Ventosa (V.), the Dark Fringes observed during Total Solar 



Eclipses, 86 

 Venturi (M.), Manganous Fluoride, 47 

 Venus : Rotation Period of Venus, Prof. A. Belopolsky, 160 ; 



Jeremiah Horrocks and the Transit of Venus, 257 

 Verrill(A. E.), Geology of Bermudas, 92 

 Vertebrates : Vertebrate Fauna of the Shetland Isles, A. H, 



Evans and T. E. Buckley, 75 ; New Subdivision in the 

 Vertebrates, Dr. Fiirbinger, 397 ; the Origin of Vertebrates, 

 Deduced from Study of Ammocoetes, Dr. Gaskell, 423 ; 

 Harrimania maculosa, a New Enteropneustum, W. E. Ritter, 

 579; Genesis of the Vertebrate Column, Herbert Spencer, 

 620 



Vesuvius's Increased Activity due to Exceptional Rainfall, Dr. 

 G. de Lorenzo, 605 



Vibrissse on the Fore-paws of Mammals, Frank E. Beddard, 

 F.R.S., 523 



Vienna, Jubilee of the Imperial Geological Institute of, 258 



Vignon (Leo), the Nitrocelluloses, 520 ; Reduction of Nitro- 

 cellulose, 544 ; Oxycelluloses from Cotton, Flax and Hemp, 

 592 ; Acetyl Derivatives of Cellulose and Oxycellulose, 616 



Village Nptes, and some other Papers, Pamela Tennant, 340 



Villard (P.), an Electrical Experiment of M. Jaumann, 47 ; the 

 Radium Radiation, 47 ; the Kathode Rays, 191 ; Discon- 

 tinuity of Kathodic Emission, 240 ; Permeability of Fused 

 Silica to Hydrogen, 240 ; the Thermal Properties of Fused 

 Silica, 255 



Villiaume (M.), the Carboniferous Strata of Nossi-Be, 168 



Villiger (Herr), the New Hydride of .Benzoylsuperoxide, 202 ; 

 the Action of Permanganate on Hydrogen Peroxide, 629 



Vines (Prof. S. IL, F.R.S,), Opening Address in Section K of 

 the British Association, 536 



Vinification dans les Pays Chauds— Algerie et Tunisie, J. 

 Dugast, 74 



Violle (J.), Actinometric Observations during Solar Eclipse of 

 May 28, 1900, 216 



Viper, H.M.S., 322 



Viscosities of Mixtures of Liquids, Dr. C. H. Lees, 166 



Viscosity of Gases as aff"ected by Temperature, Lord Rayleigh, 

 F.R.S., 287 



Viscosity of Essential Oils, the, E. Dowzard, 322 



Viticulture : Vinification dans les Pays Chauds— Algerie et 

 Tunisie, J. Dugast, 74 



Vogel (Prof. H. C), the New Spectrographs for the Potsdam 

 Great Refractor, 459 



Volcanoes: New Zealand Volcanoes, Dr. B. Friedliinder, 180; 

 Increased Activity of Vesuvius due to Exceptional Rainfall, 

 Dr. G. de Lorenzo, 605 



Volta e la Pila, Prof Augusto Righi, 293 



Vorlesungen iiber hydrodynamische P'ernkrafte nach C. A. 

 Bjerknes' Theorie, V. Bjerknes', Prof. G. H. Bryan, 

 F.R.S., 3 



Vries (Hugo de), Mutability of CEnothera Lamarckiana, 592 



Vuillemin (Prof.), on the Azygospores of Entomophthora 

 gloeospora, 613 



Wagner (Harold), the Eyespot in Euglena, 605 ; on the Be- 

 haviour during Karyokinesis of the Nucleolus in the Root- 

 apex of Phaseolus, 612 ; on a Demonstration of the Structure 

 and Attachment of the Flagellum in Euglena viridis, 612 

 Waite (E. R.), Leptocephalus Young of Conger Eel, 324 

 Wales, North, on the Ancient Peneplains in, E. Greenley, 587 

 Wales, South, on the Raised Beach of Cower in, R. IL 



Tiddeman, 588 

 Walfisch Bay, Mud Island in, 336 ; Mr. Cleverley, 464 

 Walk through the Zoological Gardens, a, F. G. Aflalo, 466 

 Walker (C), New Series of Pentamethylene Derivatives (I.), 



261 

 Walker (James), Introduction to Physical Chemistry, 76 

 Wallace (J. Sim), the Cause and Prevention of Decay in 



Teeth, 149 

 Wallace (R. W.), the Law and Practice relating to. Letters 



Patent for Inventions, 618 

 Waller (Dr. A. D., F.R.S.), Electrical Efl'ect of Light on Green 

 Leaves, 358 ; Electrical Determination of Last Sign of Life, 

 492 

 Wallis (H. Sowerby), Symons' British Rainfall, 435 

 Wallon (E.), Le9ons d'Optique Geometrique a I'Usage des 



Eleves de Mathematique Speciale, 30 

 Walmisley (A. T.), on the Use of Expanded Metal in Concrete, 



610 

 Warburg (E. ), Point Discharges, 335 

 Ward (Prof. H. Marshall, F.R.S. ), Allgemeine Biologic, Prof. 



Dr. Max Kassowitz, 217 ; Embryonic Tissues, 611 

 Ward (James), Naturalism and Agnosticism, 25 

 Ward (L. F.), the Arizona Chalcedony Park, 62 



