ABBE (PROF. ERNST), Death of, 278; Obituary Notice of,
Abbot (C. G.), Astrophysical Work at the Smithsonian Institution, 592
Abegg (Mr.), Determination of Proportion of Free Chromic Acid in Dichromate Solutions, 281
Abel (Dr. O.), the Fossil Sirenians of the Mediterranean Formation of Austria, 351
Aberdeen University, Proceedings of the Anatomical and Anthropological Society of, 186
Abney (Sir William, K.C.B., F.R.S.), Science and the State, Lecture at Society of Arts, 90 Abnormal Tides of January 7, the, 258
Abraham (Henri), a Synchronising Electromagnetic Brake, 383
Abrahams (B.), a German-English Dictionary of Terms used in Medicine and the Allied Sciences, 533 Accumulator, the Theory of the Lead, F. Dolezalek, 1 Acoustics: Experiment for showing the Pressure due to Sound Waves, Prof. R. W. Wood, 280; the Basic Law of Vocal Utterance, Emil Sutro, 317; Duality of Voice and Speech, Emil Sutro, 317; Duality of Thought and Language, Emil Sutro, 317; Application of the Vowel Siren to the Study of Deafness, M. Marage, 456; Submarine Signalling by Sound, J. B. Millet, 595 Acquired Characteristics, Inheritance of, D. E. Hutchins, 83
Actinium, a New Radio-active Product from, Dr. T. Godlewski, 294
Adams (G. I.), Zinc and Lead Deposits of Northern Arkansas, 450
Adeney (Dr. W. E.), Unrecognised Factors in the Transmission of Gases through Water, 334
Adolescence, its Psychology and its Relations to Physiology, Anthropology, Sociology, Sex, Crime, Religion, G. Stanley Hall, 3
Aeronautics: Kite Observations on the Lake of Constance, Dr. H. Hergesell, 87: Scientific Experiments in Italy with Unmanned Balloons, Dr. L. Palazzo, 113; the Airship Lebaudy II., 207; Death of Rev. J. M. Bacon, 207; Voyage in a Balloon from London to Paris, Jacques Faure, 372; Aëronautical_Monthly Ascents of 1904. Prof. H. Hergesell, 447; the Future of Air-ships, A. SantosDumont, 447: Progress in Aerial Navigation, Prof. G. H. Bryan, F.R.S., 463; Preliminary Results of the Kite Ascents made on the Yacht of the Prince of Monaco in the Summer of 1904, Prof. H. Hergesell, 467; Death of Colonel Renard, 588
Aflalo (F. G.), the Sea-fishing Industry of England and Wales, 153; Fishing at Night, 221
Africa: Variations of Level of Lake Victoria Nvanza, Captain H. G. Lyons, 15: Iron Manufacture in Lagos, C. V. Bellamy, 40; Trypanosomiasis in French West Africa, A. Laveran, 47: Trypanosomiasis and the Tsetsefly in French Guinea, A. Laveran, 287; Geological Survey of the Transvaal, Report for the Year 1903, H. Kynaston, E. T. Mellor, A. L. Hall, Dr. G. A. F.
Molengraaff, Prof. Grenville A. J. Cole, 55; Sleeping Sickness in the Congo, 60; Sleeping Sickness in Congo Free State, Messrs. Dutton, Todd, and Christy, 499; Relationship of Human Trypanosomiasis to Congo Sleeping Sickness, Messrs. Dutton, Todd, and Christy, 499; Identity of Various Trypanosomes of Man, Dr. Thomas and Mr. Linton, 499; the Congo Floor Maggot, Messrs. Dutton, Todd, and Christy, 499; a New South African Cypress, Callistris schwarzii, Dr. R. Marloth, 168; the Glacial Conglomerate in the Table Mountain Series near Clanwilliam, A. W. Rogers, 168; Meeting of the British Association in South Africa, 323; Indian and South African Rainfalls, 1892-1902, D. E. Hutchins, 342; Community of Type between South African and European Marine Annelids generally, Prof. McIntosh, 492; Petrography of the Witwatersrand Conglomerates, with Special Reference to the Origin of Gold, Dr. F. H. Hatch and Dr. G. S. Corstorphine, 471: Intrusive Granites in the Transvaal, the Orange River Colony, and in Swaziland, E. Jorissen, 471; Die Kalahari, Dr. Siegfried Passarge, 481; North African Petroglyphs, E. F. Gautier, 570; the Mammals and Birds of Liberia, Sir Harry Johnston, G.C.M.G., K.C.B., 574: Existence of Schists with Graptoliths at Haci-el-Khenig, Central Sahara, G. B. M. Flamand, 576; the Fort and Stonelined Pits at Inyanga contrasted with the Great Zimbabwe, R. N. Hall, 598; New Indiarubber Euphorbia, Henri Jumelle, 600; the Nile Flood in Relation to the Variations of Atmospheric Pressure in North-East Africa, Captain H. G. Lyons, 616; the Physical History of the Victoria Falls, A. J. C. Molyneux, 619 Agriculture: Electricity in Agriculture and Horticulture, Prof. S. Lemström, 1; Para Rubber Plantation at Mergui, Burma, 14: Swede Disease in Ireland, Prof. T. Johnson, 167: Death of Major Henry F. Alvord, 181; on the Constitution of Arable Earth, A. Delage and H. Lagatu, 191; Possibility of Manufacturing Starch from Cassava on a Large Scale, H. H. Cousins, 184; a Bibliography of Agricultural Science, 188; Cotton-planting in West Indies, 209; "Bastard" Logwood, S. N. C., 222; Agricultural Education and Research, Prof. T. H. Middleton, 236; Sugar Cane Cultivation in Barbadoes, Prof. d'Albuquerque and Mr. Bovell, 304; Sugar-planting Experiments in the Leeward Islands in 1903-4, Dr. F. Watts, 615; Agriculture in the West Indies, Sir Daniel Morris, 350: Agricultural Notes, 355: Experiments in the Manuring of Fruit Crops, Duke of Bedford and Spencer Pickering, F.R.S., 356; Production of Calcium Cyanamide and its Employment as Fertiliser, Prof. Frank, 374; the Journal of the Royal Agricultural Society, 558; the Agricultural Changes required by These Times and Laying Down Land to Grass, R. H. Elliot, 604 Air-pollution, Bacterial Test for Estimation of, Dr. Mervyn Gordon, 237
Air Spectrum, the Third Band of the, H. Deslandres and A. Kannapell, 17
Aitken (Prof. R. G.), Systematic Survey of Double Stars,.
354; Observations on Comets, 449; Discovery of Jupiter's Sixth Satellite, 494; Orbit of the Binary Star Ceti 82, 519; Comet 1905 a (Giacobini), 544 Albrecht (Prof. Th.), Discussion of Central European Longitudes, 424
Albuminoide, Studien über die, mit besonderer Berücksichtigung des Spongen und der Keratine, Dr. Eduard Strauss, 174
d'Albuquerque (Prof.), Sugar Cane Cultivation in Barbadoes, 304
Alcock (Major A., F.R.S.), a Large Indian Sea-perch, 415 Alcohol in Industry, 584
Alexander (T.), Graphic Statics, 507
Alexander (Dr. W.), Absence or Marked Diminution of Free Hydrochloric Acid in the Gastric Contents in Malignant Disease of Organs other than the Stomach, 596
Algæ, a Treatise on the British Fresh-water, Prof. G. S. West, 194
Algebra: Elementary Algebra, W. M. Baker and A. A. Bourne, 507; the Algebra of Invariants, J. H. Grace and A. Young, Prof. G. H. Bryan, F.R.S., 601 Algen, Morphologie und Biologie der, Dr. Friedrich Oltmanns, George Murray, F.R.S., 362
Algol Type, a Probable Variable of the, J. E. Gore, 55 Algué (Rev. José, S.J.), the Cyclones of the Far East, 198 Alippi (Prof.), Device for Overcoming the Tendency to Adherence in the Electric Contacts of Delicate Seismoscopes, 309; Mist-poeffers, 309
Alkali Metals, Arc Spectra of the, F. A. Saunders, 133 Allan (Dr. G. E.), on a Property of Lenses, 47 Allbutt (Prof. T. Clifford, F.R.S.), the Question of Diet in Physical Education, 111; Blood Pressures in Man, 375
Allcock (C. H.), Theoretical Geometry for Beginners, 75 Allen (A. Taylor), New Streets, Laying Out and Making Up, 437
Allen (Dr. F. J.), the Origin of Life, 54; Blue-stained Flints, 83; Intelligence of Animals, 222 Allen (Dr. G. M.), the "Spout of Whales, 38 Allen (H. S.), Radio-active Water and Mud, 543 Alloy, Mass Analysis of Muntz's Metal by Electrolysis and the Electric Properties of this, J. G. A. Rhodin, 381 Alternating Variability of Martian Canals, Mr. Lowell, 494 Alvord (Major Henry F.), Death of, 181
Amann (M.), Secondary Shadow on the Rings of Saturn, 359; Secondary Shadow on Saturn's Rings, 401 Ambronn (Prof.), Observations of Comets 1904 d and 1904 e, 281
America the Land and Sea Mammals of Middle America and the West Indies, D. G. Elliot, 212; American Cytology, 218; an American Text-book of Geology, Thomas C. Chamberlin and Rollin D. Salisbury, 267; Destructive Floods in the United States in 1903, E. C. Murphy, 308; American Hydroids, Part ii., Sertularidæ, C. C. Nutting, 331; Folk-tales of Plains Indians, Dr. G. A. Dorsey and Dr. A. L. Kroeber, 417; P. E. Goddard, 418; the Magnetic Survey of the United States, 449; the U.S. Coast and Geodetic Survey, 519 Ampferer (Dr.), Examination of the Terraces along the Valley of Inn, 236
Anæsthesia, Conditions which Determine the Penetration of Chloroform into Blood during, J. Tissot, 480 Anæsthesia, Physical Chemistry of, Prof. Moore and Mr. Roaf, 499
Analysis, Chemical, for Beginners, F. Southerden, 54 Anatomy: the Anatomy of Corals, Prof. Sydney J. Hickson, F.R.S., 18; a Treatise on Applied Anatomy, Edward H. Taylor, Dr. A. Keith, 145; the Human Sternum, Andrew Melville Patterson, Dr. A. Keith, 145; Der Gang des Menschen, Otto Fischer, Dr. A. Keith, 145; the People of the North-east of Scotland, 186; Obituary Notice of Prof. G. B. Howes, F.R.S., 419; Studies from the Anthropological Laboratory, the Anatomy School, Cambridge, W. L. H. Duckworth, 433
Anceaux (Emile), Planetary Tides in the Solar Atmosphere,
Andersson (Dr. Joh. Gunnar), Antarctica, or Two Years amongst the Ice of the South Pole, 560
Andromedids, Shower of, from Biela's Comet (?), W. F. Denning, 139
Anglicus (Bartholomew), Mediæval Lore from, Robert Steele, 559
Anglo-Saxon Institutions, Studies on, H. M. Chadwick, 385 Animal Life, J. R. A. Davis, 369 Animal Photography, 483
Animals Intelligence in Animals, J. E. A. T., 102; F. C. Constable, 102; Rev. Joseph Meehan, 176; T. S. Patterson, 201; F. J. Allen, 222; the Animals of New Zealand: an Account of the Colony's Air-breathing Vertebrates, F. W. Hutton and J. Drummond, 199; Superstitions about Animals, Frank Gibson, 510; Variation in Animals and Plants, H. M. Vernon, 243
Annandale (N.), the Lizards of the Andamans, 288; an Aquatic Glow-worm in India, 288
Année Technique, l', A. Da Cunha, 1 Anniversary Meeting of the Royal Society, Medal Awards,
Annuaire du Bureau des Longitudes, the, 234 Antarctica: the National Antarctic Expedition, Captain Scott, 41; Meteorological Results of the National Antarctic Expedition, W. Krebs, 131; Geographical Results of the National Antarctic Expedition, Captain R. F. Scott, 421; Antarctica, or Two Years amongst the Ice of the South Pole, Dr. N. Otto G. Nordenskjöld and Dr. Joh. Gunnar Andersson, 560; the Limit of an Antarctic Phytogeographical Zone, C. Skottsberg, 326; Résultats du Voyage du S.Y. Belgica en 1897, 1898, 1899, sous le Commandemant de A. de Gerlache de Gomery, 337; the Second Antarctic Voyage of the Scotia, J. H. Harvey Pirie and R. N. Rudmose Brown, 425; Meteorological Conditions of the Antarctic, Discovery Expedition, C. W. R. Royds, 568
Anthropogenie oder Entwickelungsgeschichte des Menschen, Keimes- und Stammes-geschichte, Ernst Haeckel, 265 Anthropoid Apes, Craniology of Man and the, A. T. Mundy, 125; N. C. Macnamara, 125
Anthropology: Anthropological Institute, 21, 165, 430, 478, 527, 598; the Racial Elements in the Present Population of Europe, Huxley Memorial Lecture, Dr. J. Deniker at Anthropological Institute, 21; Obituary Notice of Prof. Giustiniano Nicolucci, 39; Anthropological Notes, 68, 452; North Queensland Ethnography, the Manufacture of Stone Implements, Dr. Walter E. Roth, 68; Recent Archæological Discoveries in Crete, Proposed Chronology of Cretan Civilisation, S. Reinach, 69; the Practical Value of Anthropology, Sir Richard Temple, 130; Magic Origin of Moorish Designs, Dr. Ed. Westermarck, 165; Difficulties of the Ethnographic Survey in the Mysore, E. Thurston, 182; the People of the North-east of Scotland, 186; the Native Tribes of South-east Australia, A. W. Howitt, A. Ernest Crawley, 225; Group Marriage, with Especial Reference to Australia, N. W. Thomas, 478; Folk-tales of Plains Indians, Dr. G. A. Dorsey and Dr. A. L. Kroeber, 417; P. E. Goddard, 418; Death of Prof. Adolf Bastian, 421; Dog-motive in Bornean Design, E. B. Haddon, 430; Morphology and Anthropology, W. L. H. Duckworth, 433; Studies from the Anthropological Laboratory, the Anatomy School, Cambridge, W. L. H. Duckworth, 433; Indian Culture in California, A. L. Kroeber, 452; Hair Follicles of Negroes, Dr. A. Bloch and Dr. P. Vigier, 452; Stone Implements in Darjeeling District, E. H. C. Walsh, 453; Negroid Characters in European Skulls, Prof. Manouvrier, 453: Comparative Study of the Skeletal Variations of the Foot in Primates and in Man, Th. Volkov, 453; a Great Oxford Discovery, Prof. Karl Pearson, F.R.S., 510; the Ancient Races of the Thebaid, Prof. Arthur Thomson, 583; Prof. Karl Pearson, F.R.S., 583; the Maoris of North New Zealand, Prof. J. Macmillan Brown, 565 Anticipations, H. G. Wells, 193
Anticyclones, Inversions of Temperature and Humidity in, Dr. A. Lawrence Rotch, 510
Ants Ants and some other Insects, an Inquiry into the Psychic Powers of these Animals, Dr. August Forel, Prof. William Morton Wheeler, 29; the Lubbock Formicarium, 181
Sporangium-like Organs of Glossopteris Browniana, 382 Arc Spectra of the Alkali Metals, F. A. Saunders, 133 Arc Spectra, the Appearance of Spark Lines in, Dr. Henry Crew, 159 Archæology: Recent Archæological Discoveries in Crete, Proposed Chronology of Cretan Civilisation, S. Reinach, 69; " Find" of Royal Statues at Thebes, G. Legrain, 126; on an Ossiferous Cave of Pleistocene Age at Hoe Grange Quarry, Longcliffe, near Brassington (Derbyshire), H. H. Arnold Bemrose and E. T. Newton, F.R.S., 165, 488; Herculaneum and the Proposed International Ex- cavation, Dr. Charles Waldstein, 182; Worked Flints Discovered at Culmore, 208; Records of the Reign of Tukulti-Ninib I., King of Assyria about B.C. 1275, L. W. King, F.S.A., 222; Types of Stone Implements found in Taaibosch Spruit, J. P. Johnson, 236; Notes on Stone- henge, Sir Norman Lockyer, K.C.B., F.R.S., 297, 345, 367, 391, 535; Question of Free Access to Stonehenge, 613; the Tombs of Minoan Knossos, A. J. Evans, 303; Man and the Mammoth at the Quaternary Period in the Soil of the Rue de Rennes, M. Capitan, 312; Remains of the Prehistoric Age in England, Bertram C. A. Windle, F.R.S., 322; Exploration at the Ancient British Lake Village at Glastonbury, Prebendary Grant, 422; Archæological Researches in Costa Rica, C. V. Hart- man, Colonel George Earl Church, 461; Stone Imple- ments in Darjeeling District, E. H. C. Walsh, 453; Phaistos and Hagia Triada, Crete, 465; Discovery at Boiron of a Tomb of the Bronze Age, F. A. Forel, 493; North African Petroglyphs, E. F. Gautier, 570; Stanton Drew, A. L. Lewis, 584; the Fort and Stone- lined Pits at Inyanga Contrasted with the Great Zim- babwe, R. N. Hall, 598; Neolithic Dewponds and Cattle- ways, A. J. Hubbard and G. Hubbard, 611
Archebiosis and Heterogenesis, Dr. H. Charlton Bastian, F.R.S., 30
Archer (Mr.), the Salmon Fisheries of England and Wales, 18
Architects, the Institution of Naval, 594
Arctica: Fate of Baron Toll's Expedition, 467; State of the Ice in the, Arctic Seas during 1904, 567 Argon, the Discovery of, Prof. G. H. Darwin, F.R.S., 83; the Translator, 102
Ariès (E.), la Statique chimique basée sur les deux Prin- cipes fondamentaux de la Thermodynamique, 247 Arithmetic New School Arithmetic, Charles Pendlebury and F. E. Robinson, 75; New School Examples in Arith- metic, Charles Pendlebury and F. E. Robinson, 75; Clive's Shilling Arithmetic, 507
Arkansas, Zinc and Lead Deposits of Northern, G. I. Adams, 450
Arnett (B.), the Elements of Geometry, Theoretical and Practical, 507_
Arnold (Prof. J. O.), on the Occurrence of Widmann- stätten's Figures in Steel Castings, 32; Report of the Commission appointed by Clifford Sifton, Minister of the Interior, Ottawa, Canada, to investigate the Different Electrothermic Processes for the smelting of Iron Ores and the making of Steel in Europe, 258 Arnold (Robert Brandon), Scientific Fact and Metaphysical Reality, 485
Arnold-Bemrose (H. H.), an Ossiferous Pleistocene Cavern at Hoe Grange Quarry, 165, 488
Arris and Gale Lectures on the Neurology of Vision, J. Herbert Parsons, 340
Artificial Production of Rubies by Fusion, A. Verneuil, 180
Artom (Alessandro), Wireless Telegraphy with Circular Waves, 517
Ascensions of 2120 Southern Stars, Right, Prof. W. Doberck, 545
Asia, the Species of Dalbergia of South-Eastern, Dr. D. Prain, 363
Asiatic Society of Bengal, 288, 336, 551
Assyriology: Records of the Reign of Tukulti-Ninib I., King of Assyria about B.C. 1275, L. W. King, F.S.A., 222 Astronomy: Our Astronomical Column, 16, 39, 63, 89, 114, 133, 158, 185, 211, 233, 256, 281, 306, 328, 353, 374, 400, 424, 449, 469, 494, 518, 544, 569, 592, 617; Astronomical Occurrences in November, 16; in December, 114; in January, 1905, 211; in February, 328; in March, 424; in April, 518; in May, 617; Encke's Comet 1904 b, M. Kaminsky, 16, 114; Prof. Max Wolf, 63, 89; Prof. Millosevich, 89, 114; Prof. E. Hartwig, 89; Herr Mos- chick, 114; Dr. Smart, 114; Herr van d Bilt, 185; Brightness of Encke's Comet, J. Holetschek, 469; Simul- taneous Occurrence of Solar and Magnetic Disturbances, A. Nippoldt, 16; the Third Band of the Air Spectrum, H. Deslandres and A. Kannapell, 17; the Coming Shower of Leonids, W. F. Denning, 30; John R. Henry, 30; Observations of the Leonid Meteors, 1904, W. H. Mil- ligan, 83; Alphonso King, 102; John R. Henry, 126; Mr. Denning, 353; Observations of Leonids at Harvard, 1904, 233; on the Occurrence of Widmannstätten's Figures in Steel Castings, Prof. J. O. Arnold and A. McWilliam, 32; Death of Dr. Frank McClean, F.R.S., 36; Obituary Notice of, 58; Apparatus for Measuring the Velocity of the Earth's Rotation, Prof. A. Föppl, 39; the Perseid Shower, A. King, 40; Observations of Perseids, M. Chrétien, 89; M. Perrotin, 89; G. A. Quignon, 89; Prof. S. Zammarchi, 133; V. Fournier, A. Chaudot, and G. Fournier, 167; the Dumb-Bell Nebula, Louis Rabourdin, 40; Harvard College Ob- servatory Plan for the Endowment of Astronomical Re- search, Prof. E. C. Pickering, 40; the Rotation of Venus, P. Lowell, 47; the Rotation of Mars, P. Lowell, 47; Longitude Observations of Points on Mars, Mr. Lowell, 449; Forthcoming Opposition of Mars, R. Bu- chanan, 494; Reality of Various Features on Mars, V. Cerulli, 592; Changes on Mars, Mr. Lowell, 618; Mr. Lampland, 618; Prof. W. H. Pickering, 618; Seasonal Development of Martian Canals, Mr. Lowell, 282; the Alternating Variability of, Mr. Lowell, 494; a Probable Variable of the Algol Type, J. E. Gore, 55; Deslandres's Formula for the Lines in the Oxygen Band Series, Prof. Deslandres, 63; Annual Report of the Cape Observatory, Sir David Gill, 63; the Transition from Primary to Secondary Spectra, P. G. Nutting, 63; the Temperature of Meteorites, H. E. Wimperis, 81; Heights of Meteors, Mr. Denning, 89; the Photographic Spectrum of Jupiter, G. Millochau, 89; the Great Red Spot on Jupiter, Mr. Denning and Rev. T. E. Phillips, 211; Stanley Williams, 211; Changes on the Surface of Jupiter, Prof. G. W. Hough, 306; Discovery of a Sixth Satellite to Jupiter, Prof. Perrine, 256, 282; the Reported Sixth Satellite of Jupiter, Prof. Wolf, 306; Jupiter's Sixth Satellite, Prof. Perrine, 329; Prof. C. A. Young, 364; Profs. Perrine and Aitken, 494; Visual Observations of, Mr. Hammond, 569; Reported Discovery of a Seventh Satellite to Jupiter, 424; Jupiter's Seventh Satellite, Prof. Campbell, 449; Prof. Perrine, 449; Rotation of Jupiter's Satellites I. and II., Dr. P. Guthnick, 469; the November Meteors of 1904, W. F. Denning, 93; Variations on the Moon's Surface, Prof. W. H. Pickering, 114; a Possible Explanation of the Formation of the Moon, George Romanes, 143; Changes Upon the Moon's Surface, Prof. William H. Pickering, 226; Origin of Lunar Formation, G. Romanes, 256; Dr. Johnston-Lavis, 256; Dr. G. K. Gilbert, 256; Geology of the Moon, Sir Arch. Geikie, F.R.S., 348; Observations of the Recent Eclipse of the Moon, M. Puiseux, 518; Celestial Photography at High Altitudes, Prof. Payne and Dr. H. C. Wilson, 114; Distribution of Stellar Spectra, Mrs. Fleming, 115; Absorption by Water Vapour in the Infra-red Solar Spectrum, F. E. Fowle, jun., 115: Royal Astronomical Society, 118, 190, 311, 502, 622; Magnetic Disturbances, 1882 to 1903, and their Association with Sun-spots, E. W. Maunder, 118; Re- discovery of Tempel's Second Comet, M. Gavelle, 133: J. Coniel, 133; Tempel's Comet (1904 c), M. St. Javelle, 185; M. Coniel, 185; Ephemeris for, J. Coniel, 282; Search-Ephemeris for Tempel's First Periodic Comet (1867 II.), A. Gautier, 545; Parallax of a Low Meteor, P. Götz, 133; Date of the Most Recent Sun-spot Mini- inum, E. Tringali, 133; Sun-spot Spectra, Father Cortie, 158; Magnetic Storms and Associated Sun-spots, Rev.
A. L. Cortie, 311; Prof. Schuster, 311; the Large Solar Spot of February, 1905, Th. Moureux, 431; Nature of Sun-spots, Th. Moreux, 592; Relations between Solar and Terrestrial Phenomena, H. I. Jensen, 158; the Sun's Rotation, Prof. N. C. Dunér, 401; Solar Radiation and its possible Variability, 494; Instructions to Solar Ob- servers, 592; Photography of the Solar Corona at the Summit of Mont Blanc, A. Hansky, 527; the Orbit of Sirius, Prof. Doberck, 133; Variable Radial Velocity of Sirius, Prof. Campbell, 494; Harvard Observations of Variable Stars, Prof. E. C. Pickering, 133; Correction of the Longer Term in the Polar Motion, Mr. Kimura, 133; Arc Spectra of the Alkali Metals, F. A. Saunders, 133; Shower of Andromedids from Biela's Comet (?), W. F. Denning, 139; Characteristics of Nova Auriga (1892) and Nova Persei (1902), Dr. J. Halm, 142; the Eleventh Eros Circular, Prof. H. H. Turner, F.R.S., 154; Eclipse Observations, Prof. Kobold, 159; C. W. Wirtz, 159; the Appearance of Spark Lines in Arc Spectra, Dr. Henry Crew, 159; the Royal Astronomical Society of Canada, 159; Discovery of a New Comet (1904 d), M. Giacobini, 185; Comet 1904 d (Giacobini), 233; M. Ebell, 256; Elements and Ephemeris of, M. Ebell, 211; M. Giacobini, 211; Observations of Comet 1904 d, Prof. Hartwig, 281; Prof. Nijland, 281; Prof. Ambronn, 281; M. Borrelly, 281; M. Ebell, 281; Ephemeris for, M. Ebell, 353; Herr Pechüle, 353; Observations of Occultations by Planets, Dr. T. J. J. See, 185; Relative Drift of the Hyades Stars, Dr. Down- ing, F.R.S., 185; Designations of the Variable Stars discovered during 1904, 185; the Companion to the Observatory, 186; on a very Sensitive Method of determining the Irregularities of a Pivot, Dr. Rambaut, 190; Dark Nebulosities, W. S. Franks, 190; Studies in Astronomy, J. Ellard Gore, 199; Radiation Pressure, Prof. J. H. Poynting, F.R.S., 200; Observations of Bright Meteors, Dr. J. Möller, 211; Report of the United States Naval Observatory, Rear-Admiral Chester, 211; Another New Comet (1904 e), M. Borrelly, 233; Dr. Cohn, 233; Elements and Ephemeris for Comet 1904 e, Dr. Elis Strömgren, 256; Observations of, Prof. Hartwig, 281; Prof. Nijland, 281; Prof. Ambronn, 281; M. Bor- relly, 281; M. Ebell, 281; Observations on the Borrelly Comet (December 28, 1904), G. Rayet, 287; Elliptical Character of the New Borrelly Comet (e 1904), G. Fayet, 335; Ephemeris for Comet 1904 e, M. Ebell, 329; Dr. E. Strömgren, 353, 400; Orbit of, M. Fayet, 353; Re- vised Elements for, M. Fayet, 400; Comet 1904 e (Bor- relly), Dr. E. Strömgren, 518; Light-Curve of Cephei, Dr. B. Meyerman, 234; Structure of the Third Cyanogen Band, Franz Jungbluth, 234; New Refraction Tables, Dr. L. de Ball, 234; the Annuaire du Bureau des Longi- tudes, 234; Eclipse Results and Problems, M. le Comte de la Baume Pluvinel, 234; Bibliography of Contemporary Astronomical Works, Prof. Ernest Lebon, 234; the Mathematical Theory of Eclipses according to Chau- venet's Transformation of Bessel's Method, Roberdeau Buchanan, 244; Colours of Stars in the Southern Hemi- sphere, Dr. J. Möller, 256; the Heavens at a Glance, 256; Astronomical Annuario of the Turin Observa- tory, 256; Death of Paul Henry, 278; Obituary Notice of, 302; Variable Stars and Nebulous Areas in Scorpio, Miss H. S. Leavitt, 282; Report of the Natal Observa- tory, E. Nevill, 282; the Jesuit Observatory at Belen, Havana, 282; the Isochronism of the Pendulum in the Astronomical Clock, Ch. Féry, 288; Fireside Astronomy, D. W. Horner, 292; Recently Observed Satellites, Sir Oliver Lodge, F.R.S., 295; Prof. W. H. Pickering, 390; Notes on Stonehenge, Sir Norman Lockyer, K.C.B., F.R.S., 297, 345, 367, 391, 535.; Periodical Comets due to Return in 1905, W. T. Lynn, 306; Additional Periodical Comets due this Year, Mr. Denning, 374; Stars having Peculiar Spectra, Mrs. Fleming, 306; Real Paths, Heights, and Velocities of Leonids, Mr. Denning, 306; New Method for Measuring Radial-Velocity Spectro grams, Prof. J. Hartmann, 306; the Eclipse of Aga- thocles in the year -309, Prof. Newcomb, 311; Death and Obituary Notice of E. Crossley, 325; Solar Eclipse Problems, Prof. Perrine, 329; the Conditions in the Solar Atmosphere during 1900-1, N. Donitch, 329; Tri- angulation of the Pleiades Stars, Dr. Elkin, 329; a Bright
Meteor, J. Ryan, 329; Improvements in Equatorial Telescope Mountings, Sir Howard Grubb, F.R.S., 334; Temperature of Certain Stars, W. E. Wilson, 334; Résultats du Voyage du S. Y. Belgica en 1897, 1898, 1899, sous le Commandemant de A. de Gerlache de Gomery, 337; Spectra of y Cygni, a Canis Minoris and e Leonis, E. Haschek and K. Kostersitz, 354; Systematic Survey of Double Stars, Prof. R. G. Aitken, 354; Report of the Yale Observatory, 1900-4, Dr. Elkin, 354; Secondary Shadow on the Rings of Saturn, M. Amann and Cl. Rozet, 359, 401; Observations of Saturn's Satel- ites, Prof. Hussey, 449; a Lunar Rainbow, J. McCrae, 366; Death of F. J. P. Folie, 371; Ephemeris for Brooks's Comet 1904 I., 374; Observations of Comets, M. Quenisset, 374; Dr. R. G. Aitken, 449; Mr. Maddrill, 449; Castor a Quadruple Star, Prof. Campbell, 375; the Approaching Total Solar Eclipse of August 30, Dr. William J. S. Lockyer, 393; Observations of the Zodiacal Light, A. Hansky, 401; Permanent Numbers for the Minor Planets discovered during 1904, 401; Astronomical Discovery, Herbert Hall Turner,, F.R.S., 410; Planetary Tides in the Solar Atmosphere, Emile Anceaux, 424; the Bruce Photographic Telescope, Prof. Barnard, 424; Physical Conditions of the Planets, Prof. T. J. J. See, 424; Discussion of Central European Longitudes, Prof. Th. Albrecht, 424; a Popular Guide to the Heavens, Sir Robert S. Ball, F.R.S., 437; the Government Observa- tory at Victoria, P. Baracchi, 449; Bright Meteors, R. L. Jones, 449; Application of the Iris Diaphragm in Astro- nomy, M. Salet, 455; the Iris Diaphragm in Astronomy, M. Salet, 545; the Planet Fortuna, W. T., 461, 511 W. E. P., 461; Spencer Pickering, F.R.S., 486 Structure of the Corona, Dr. Ch. Nordmann, 469 Radiant Point of the Bielid Meteors, K. Bohlin, 469; January Fireballs, Mr. Denning, 469; Orbits of Minor Planets, Prof. J. Bauschinger, 469; Popular Star Maps, Comte de Miremont, 484; Galileo's Tower, 492; Constant Errors in Meridian Observations, J. G. Porter, 495: Further Researches on the Temperature Classification of Stars, Sir Norman Lockyer, K.C.B., F.R.S., 501; the Spectroheliograph of the Solar Physics Observatory, Dr. W. J. S. Lockyer, 502; New Theory to Account for the Duplication of Lines in the Spectra of Variable Stars, Prof. Garbasso, 516; Discovery of a New Comet, 1905 a, M. Giacobini, 518; Comet 1905 a (Giacobini), Prof. Aitken, 544; Dr. Strömgren, 569: Prof. Hartwig, 569; G. Bigourdan, 575: Elements and Ephemeris for, General Bassot, 617; Dr. Palisa, 618; New Variable Stars in the Region about & Aquila, Prof. Wolf, 519; Orbit of the Binary Star Ceti 82, Prof. Aitken, 519; Radial Velo- cities of Certain Stars, Prof. Campbell and Dr. H. D. Curtis, 519; Star Places in the Vulpecula Cluster, Dr. H. Meyer, 519; Death of Prof. Pietro Tacchini, 540; Obituary Notice of, 564; the late Prof. Tacchini, Prof. R. Meldola, F.R.S., 583; Photography of the Corona without a Total Eclipse, A. Hansky, 544; Right As- censions of 2120 Southern Stars, Prof. W. Doberck, 545: Constancy of Spark Wave-lengths, G. W. Middlekauff, 545; the Physical Cause of the Earth's Rigidity, Prof. T. J. J. See, 559; the Lyrid Meteors, John R. Henry, 560; Variability of a Minor Planet, Prof. Wendell, 569: Real Path of a Bright Meteor, H. Rosenberg, 569; a New 24-inch Reflector at Harvard, Prof. E. C. Picker- ing, 569; Stars with Variable Radial Velocities, 569; Stonyhurst College Observatory, Father Sidgreaves, 592; Stanton Drew, A. L. Lewis, 584: Astrophysical Work at the Smithsonian Institution, C. G. Abbot, 592; Value of the Astronomical Refraction Constant, L. Courvoisier, 592; a Little Known Property of the Gyroscope, Prof. William H. Pickering, 608; Protography of Planetary Nebulæ, W. S. Franks, 618; Radial Velocities of "Standard-Velocity Stars, Prof. Belopolsky, 618; Mag- nitude Equation in the Right Ascensions of the Eros Stars, Prof. R. H. Tucker, 618
Astruc (A.), the Glycerophosphates of Piperazine, 504 Atlas of Microscopical Petrography, Twentieth Century, 341 Atmosphere, the Absorption of Light by the, Dr. A. Bemporod, 402
Atmosphere, the Circulation of the, James Thomson, 365 Atmosphere, the Conditions in the Solar, during 1900-1, N. Donitch, 329
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