Nature, 

 December 13, 1900 



Index 



XXlll 



Heterocera, in the Collection of the Oxford University 

 Museum, 548 

 Leprosy in France, 198 



Lessons in Botany, Prof. George F. Atkinson, 30 



Letts (Prof. E. A.), the Carbonic Anhydride of the Atmo- 

 sphere, 387 ; on some Problems connected with Atmospheric 

 Carbonic Anhydride and on a New and Accurate Method of 

 Determining its Amount, 566 ; on the Relation of Ulva 

 latissima to the Pollution of Sea-water by Sewage, 61 1 



Lewis (E. W.), Inhibiting Effect of Etherification on Substitu- 

 tion in Phenols, 261 



Lewis (P.), Fluorescence and Phosphorescence in Electric Dis- 

 charge through Nitrogen, 381 ; Influence of Slight Impurities 

 on Argon and Helium Spectra, 381 



Lewes (Vivian B.), Acetylene, a Handbook for the Student and 

 Manufacturer, 522 



Liebman (Dr. A.), on the Recent Improvements in the Textile 

 Industries, 567 



Life and Art, Pompeii, August Mau, 7 



Light, Living, Raphael Dubois, 464 



Lighting Portable Gas Producers, Dr. J. A. Purves, 601 



Lightning Conductors of St. Paul's, the, K. Hedges, 68 



Lightning Discharges, Dark Images of Photographed, J. B. 

 Hannay, 389 



Lightning, Globe, Prof. Max Toepler, 350 



Lincei, Reale Accademia dei. Anniversary Meeting of, 430 



Linnean Society, 46, 143, 215, 262 



Linton (E. F.), Flora of Bournemouth, including the Isle of 

 Purbeck, 598 



Liquid Crystals, O. Lehmann, 568 



Liquids, on the Creeping of, and on the Surface Tension of 

 Mixtures, Dr. Trouton, 562 



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



Literature, the International Catalogue of Scientific, 197, 206 



Littoral Drift, Sea Coast Destruction and, W. H. Wheeler, 400 



Liverpool Observatory, W. E. Plummer, 137 



Lochs, Scotch, Bathymetrical Survey (Part II.), of. Sir John 

 Murray and F. P. Pullar, 263 



Lock, Canal, the Pneumatic Balance, C. M. Dutton, 135 



Lockyer (Sir Norman, K.C.B., F.R.S.), Astronomical Applic- 

 ations of Physical Problems investigated at Solar Physics 

 Observatory, 23 ; the Total Eclipse of the Sun, 104 



Lockyer (Dr. W. J.), a Comparison of the Details of the Pro- 

 minences and Corona on Photographs of the Recent Eclipse 

 taken by Prof. Langley in America and Sir Norman Lockyer 

 in Spain, 565 



Locomotion, Road, Prof. Hele-Shaw, F.R.S., 139 



Lodge (Prof. Oliver), Ions, 564 



Lodge's (Prof.) Paper on Volta's Contact Force, Discussion on, 

 Prof. Armstrong, Mr. Glazebrook and Dr. Lehfeldt, 70 



Loewy (M.), Paris Observatory Annual Report, 606 ; Opposi- 

 tion of Eros, 630 



London : Heat Wave in, 157 ; Conference on an International 

 Catalogue of Scientific Literature, June 1900, 206 ; the 

 London Mathematical Society, R. Tucker, 294 ; the New 

 Senate of the University of London, Rev. Dr. A. Irving, 

 549 ; on a Concealed Coalfield beneath the London Basin, 

 Prof. W. J. Sollas, F.R.S., 587 



Longden (A. C), Electrical Resistance of Thin Films deposited 

 by Kathode Discharge, 210; Newton's Rings from Selenium 

 Rays, 273 



Looms, Modern Power, 29 



Lorenzo (Dr. G. de). Increased Activity of Vesuvius due to 

 Exceptional Rainfall, 605 



Loring (F. H.), Comets and Corpuscular Matter, 80 



Louis (Prof. H.), on the "Kingfisher" Type of a Malay 

 " Kris," 634 



Lovett (Dr. E. O.), Families of Transformations of Straight 

 Lines into Spheres, 92 



Low (Dr.), Mosquitoes and Malaria in the Campagna, 531 



Lowe (Dr. W. H.), Death and Obituary Notice of, 456 



Lowry (T. M.), Persulphuric Acids, 215 



Loze (E.), Les Charbons Britanniques et leur epuisement, 

 124 



Lueddeckens (Dr. Fritz), Rechts und Linkshandigkeit, 409 



Lumholtz (Carl), Mexican Symbolism, 600 



Lycopods, on the Presence of Seed-like Organs in Certain 

 Paleozoic, Dr. D. H. Scott, F.R.S., 611 



Lyra, Ring Nebula in, 425 



Lyster (Robert A.), First Stage Hygiene, 173 



McAdie ( A. G.), the Climate of San Francisco, i8 ; Frost Fight- 

 ing, 274 



Macalister (Prof.), on the Vagaries of the Cephalic Index, 633 ; 

 on Perforate Humeri from Ancient Egyptian Skeletons, 633 ; 

 on the Making of a Malay " Kris," and on the Malay ^lethod 

 of Producing Chains by Casting, 634 



McAlpine (D.), Fungus Diseases of Cicrus Trees in Australia, 

 and their Treatment, 494 



McCarthy (James), Surveying and Exploring in Siam, 571 



McConnell (R. G ), Geology of Klondike Goldfields, 63 



McDougall (Dr. R. S.), Elm and Pine Pests, 191 



McDougall (W.), on the Animal Cults of the Natives of 

 Sarawak and their Bearing on the Problems of Totemism, 634 



MacDowall (Alex B.), Sunspots and Frost, 599 



Macfadyen (Allan), Influence of Temperature of Liquid Hy- 

 drogen on Bacteria, 286 



McGee (W. J.), the Lessons of Galveston, 604 



Mackinder (H. J.), Preliminary Notes on the Results of the 

 Mount Kenya Expedition, 1899, 12 



MacMahon (Major), on the Asyzygetic and Perpetuant Co- 

 variants of Sy.stems of Binary Quantics, 561 ; on the Sym- 

 bolism appropriate to the Study of Orthogonal and Boolian 

 Invariant Systems which Appertain to Binary and other 

 Quantics, 561 ; a Property of the Characteristic Symbolic 

 Determinant of any n Quantics in n Variables, 561 



Macnab(W.), Researches on Modern Explosives, ii., 46 



Macnamara (Nottidge Charles), Origin and Character of the 

 British People, 172 



MacTaggart (J.), on the Disposal of House Refuse in Bradford, 

 609 



Madagascar: Spider-Silk Manufacture, M. Nogue, 17; 

 Grandidier's Expedition to Madagascar, 35 



Madras, Earthquake in, 578 



Magic Squares, on the Construction of. Dr. J. Willis, 561 



Magnetism : Magneto-electric Experiment, Prof. S. P. Thomp- 

 son, 71 ; Atomic and Molecular Magnetism, S. Meyer, 92 ; 

 the Electron Theory of Atomic Magnetism, Robert Lang, 376 ; 

 Magnetic Observations during Belgica Antarctic Expedition, 

 G. Lecointe, 108 ; Magnetic Properties of Iron Aluminium 

 Alloys, ii., S. W. Richardson and L. Lowndes, 166 ; no 

 Magnetic Effect produced by Motion of Electrified Body, V. 

 Cremieu, 167 ; Magnetic Screening for Galvanometers, H. du 

 Bois and A. P. Wills, 211; Rotating Magnetic Flag, G. 

 Jaumann, 211 ; Action of Light on Magnetism, J. H. Hart, 

 286 ; Magnetic Observations during Solar Eclipse of May 28, 

 Dr. L. A. Bauer, 302 ; Phosphorescence Unaffected by Mag- 

 netic Field, A. de Hemptinne, 323 ; Recording Telephones, 

 371 ; Moving Electric Charge not Productive of Magnetic 

 Field, V. Cremieu, 396 ; Properties of Magnetic Deposits in 

 Magnetic Field, Charles Maurain, 408 ; Permeability of Iron 

 under the Influence of the Oscillatory Discharge from a Con- 

 denser, E. W. Marchant, 413 ; Latitude Variation, Earth 

 Magnetism and Solar Activity, Dr. J. Halm, 460 ; a ^lagnetic 

 Theory of the Universe, 493 ; Report of the British Association 

 Committee for Improving the Method of Determining Mag- 

 netic Force on Board Ship, 563 ; Report of the British Asso- 

 ciation Committee on Radiation in a Magnetic Field, 563 ; 

 Distribution of Horizontal Component of Earth's Magnetism 

 in France, E. Mathias, 592 ; Inverse Effect of Magnetic Field 

 not Productive of Movement in Electrified Bodies, V. Cremieu, 

 616 ; Resistivity of Bismuth in Magnetic Field, H. Eichhorn, 



639 



Mailloux (Mr.), Relative Advantages of Alternate and Con- 

 tinuous Current for General Electrical Supply, with regard to 

 Interference with other Interests, 417 



Mair (David), the Reform of Mathematical Teaching, 389 



Maize, Further Investigations of Zenia in, Herbert J. Webber, 

 601 



Malaria, Mosquitoes and, G. A. K. Marshall, 375 ; Dr. L. O. 

 Howard, 500; H.J. Elwes, F.R.S , 554; Major Ronald 

 Ross, 589 ; Prof. Grassi's Experiment, 578, 627 ; Mosquitoes 

 and Elephantiasis, 371 ; Investigations of Drs. Sambon and 

 Low in the Campagna, 581 ; Malaria- Parasite, Models of 

 Infected Blood-corpuscles, Delta Emett, 208 ; Mosquitoes 

 and Filaria imfnitis. Prof. Grassi and G. Noe, 627 



Malay "Kris," on the making of a, and on the Malay Method 

 of producing Chains by Casting, W. Rosenhain, 634 ; Prof. 

 A. Macalister, 634 



Malay" Kris," on the " Kingfisher" Type of a, Prof. H. Louis, 

 634 



