June 8 1905 J

ABBE (PROF. ERNST), Death of, 278; Obituary Notice of,

301

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,.

a

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,

105

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