13, 643: an Early Chapter in the History of Cornwall, Sir Norman Lockyer, K.C.B., F.R.S., 644 Architecture, Naval, the Stability of Submarines, Sir W. H. White, K.C.B., F.R.S., 128, 270; J. H. Jeans, 270 Arctica: New Arctic Expeditions, 163; the Wellman Balloon Expedition, W. de Fonvielle, 181: No Man's Land, a History of Spitsbergen from its Discovery in 1596 to the beginning of the Scientific Exploration of the Country, Sir Martin Conway, 381; the Norwegian Polar Expedition, 471; the Norwegian North Polar Expedition, 1893-6, vol. v., on Dead Water, V. Walfrid Ekman, Sir W. H. White, K.C.B., F.R.S., 485 Arendt (G.), G. Lejeune Dirichlet's Vorlesungen über die Lehre von den einfachen und mehrfachen bestimmten Integralen, 265 Argyll (George Douglas, Eighth Duke of, K.G.), 18231000, 437 8 Arietis, the Radial Motion of, H. Ludendorff, 135 Arithmetic Easy Mathematics of all Kinds, chiefly Arithmetic, Sir Oliver Lodge, F.R.S., Supp. to May 3, viii Arithmetic for Schools and Colleges, John Alison and John B. Clark, Supp. to May 3, viii Arloing (S.), Experimental Production of Tubercle Bacillus Armstrong (Prof. Henry E., F.R.S.), Osmotic Pressure, Armstrong College, Newcastle-on-Tyne, the New Buildings of. 232 Army Efficiency, Medical Science and, Lieut.-Colonel R. H. Firth, 612 Arnold (Prof. J. O.), Influence of Nearly Pure Metallic Manganese alloyed with Varying Proportions of Nearly Pure Metallic Iron, 68; Some Scientific Centres, IX., the Metallurgical Department of the Sheffield University, 541 Arrivant (M.), Alloys of Manganese and Molybdenum, 408 Arris aut (G.), Constituents of the Alloys of Manganese and Molybdenum, 628 Ashby (Dr. T., jun.), on the Excavations at Caerwent, 457: un Recent Discoveries in the Roman Forum, 457 Ashcroft (Edgar A.), the World's Desires, or the Results of Monism, 217 Ashcroft (Prof.), on the Central Technical College Lecture Table Testing Machine, 501 A-hford (C. E.), on the Teaching of Mechanics, 501; on the Teaching of Mechanics by Experiment, 503 Ashford (W. H. R.), Our Waterways, a History of Inland Navigation considered as a Branch of Water Conservancy, 169 A-hworth (Dr. J. H.), Zoology at the British Association, 550 Asiatic Society of Bengal, 96, 143, 264, 344, 508 Asteroids, New Method for the Discovery of, J. H. Metalf. 185 Arographic Object Glasses, New Forms of, Emil Schaer, 231 Astronomy: Ancient Eclipses, P. H. Cowell, 11; the Total Solar Eclipse of January, 1908, Dr. Downing, 18; Total Solar Eclipse of August 30, 1905. A. L. Cortie. 142; Italian Observations of the Total Solar Eclipse (1905), Prof. Ricco, 418; the Total Solar Eclipse of january, 1907, W. T. Lynn, 548: Solar Variability, Dr. S. P. Langley, 16; Our Astronomical Column, 18, 41, 64, 87. 112, 135, 158, 185, 210, 253, 282, 306, 339, 371, 386, 417, 452, 474. 499, 524, 548, 575. 595, 619, 644: Astronomical Occurtences in May, 18; in June, 112; in July, 210; in August, 339; in September, 452; in October, 548; Comets 19064 and 1906c, Prof. Abetti, 18: E. Strömgren, 18; Comet 1906c, Miss Lamson, 64: Comet 1906b (Kopff), M. Ebell, 64, 158; Prof. Wolf, 158; Radiant Point of a Bright Meteor, Dr. Jiri Kaván, 18: Luminous Particles in the Chromosphere, Dr. Deslandres, 18; New Catangue of Double Stars, Prof. R. G. Aitken, 18; Measures of Double and Multiple Stars, Prof. Doolittle, 88; New Double Stars, Rev. T. E. Espin, 211: Double Star Measures, Dr. G. van Biesbroeck, 371; Colours and Magnitudes of Double Stars, Mr. Lewis, 549; the Expected Return of Holmes's Comet, Dr. H. J. Zwiers, 41; Return of Holmes's Comet (1906f), Dr. Max Wolf, 474; Holmes's Comet (1906f), Prof. Wolf, 499, 525; the Luminosity of the Brighter Stars, George C. Comstock, 41; the Variable Radial Velocity of e Auriga, Dr. H. Ludendorff, 41; Early Observations of Eros, 42; Observations of Satellites in 1904 and 1905, Prof. R. G. Aitken, 42; New Variable Stars in Orion, Prof. Max Wolf, 42; Method of Study of the Solar Corona at Other Times than during Eclipses, G. Millochau and M. Stefanik, 47: Photographing the Corona without a Total Eclipse, MM. Millochau and Stefanik, 112, 158; History of the Planetary System from Thales to Kepler, Dr. J. L. E. Dreyer, 49; the Astronomical and Astrophysical Society of America, 64; Solar Prominences during 1905, Prof. Mascari, 65; the Period of B Lyra, Prof. Schaeberle, 65; the Motion of a Swarm of Particles the Centre of Gravity of which describes an Elliptic Orbit of small Eccentricity Round the Sun, Dr. E. J. Routh, 71; Spectrum of Nova Aquila No. 2, 87; Magnitude Observations of, Dr. Guthnick, 253; Stereo-comparator Discoveries of Proper Motions, Prof. Max Wolf, 87; Observations of Comet 1905c, 88; a Lunar Tide on Lake Huron, Prof. W. J. Loudon, 88; New Reduction of Groombridge's Circumpolar Catalogue for the Epoch 1810-0, F. W. Dyson, F.R.S., and W. G. Thackeray, 90; Telegraphic Determinations of Longitude made in the Years 18881902, 90; Terrestrial Temperatures and the Solar Radiation, C. G. Abbot, 112; the Distribution of the Stars, Prof. Kapteyn, 112; Observations of Comets, Prof. H. Howe, 112; the Figure and Stability of a Liquid Satellite, Sir G. H. Darwin, K.C.B., F.R.S., 115; Royal Astronomical Society, 119, 191; Notes on some Cornish Circles, Sir Norman Lockyer, K.C.B., F.R.S., 126; Sunspot and Chromospheric Spectra, Prof. A. Fowler, 135; Proposed Daily Photographs of Chromospheric Radiations, M. Deslandres, 135; Stars with Variable Radial Velocities, J. H. Moore, 135; Prof. Frost, 135; Observations of Nova Persei No. 2, Messrs. Townley and Maddrill, 135; Observations of Shadow Bands, Dr. M. Roso de Luna, 135; the Radial Motion of B Arietis, H. Ludendorff, 135; Publications of the Nicolas Observatory, St. Petersburg, 135; the Royal Observatory, Greenwich, 135; Solar and Lunar Halos, Rowland A. Earp, 150; Solar and Lunar Cycles implied in the Prophetic Numbers in the Book of Daniel, Dr. W. Bell Dawson, 154; Observations of Nova Geminorum, Prof. Barnard, 158; Personal Equation in Photometric Observations, Prof. Ceraski, 158; Observations of Variable Stars, Miss Leavitt, 158; S. D. Townley, 159; Discussion of Faculæ Observations, Prof. Mascari, 185; New Method for the Discovery of Asteroids, J. H. Metcalf, 185; Radial Velocity of a Draconis, H. Ludendorff, 185; Useful Tables and Formulæ for Astronomical Computations, Dr. W. de Sitter, 185; the Leeds Astronomical Society, 186; the Figure of the Sun, Dr. Poor, 210; Dr. Ambronn, 210; Discovery of Algol Variables, Mrs. Fleming, 210; an Interesting Minor Planet, Dr. Berberich, 210; Observations of Jupiter in 1903 and 1905-6, Mr. Denning, 210; Observations of Jupiter, Mr. Denning, 525; Rotation Period of Jupiter's Equatorial Region, Mr. Denning, 549; Jupiter's Sixth Satellite, 524, 575 : Prof. Campbell, 524: Elements and Ephemeris of Jupiter's Seventh Satellite, Dr. F. E. Ross, 306; Jupiter's Seventh Satellite, Prof. Perrine, 619; Photometric Observations of Saturn's Satellites, Dr. P. Guthnick, 210; Observations of Phoebe in May and June, 1906, 548; Stars with Peculiar Spectra, Sir Norman Lockyer, K.C.B., F.R.S., and F. E. Baxandall, 214; Death of Prof. G. A. P. Rayet, 228, 367; Obituary Notice of, 382; Radiative Power of the Sun's Disc, Prof. Julius, 231: New Forms of Astrographic Object Glasses, Emil Schaer, 231: Search-ephemeris for Finlay's Comet, L. Schulhof, 231; Finlay's Comet, L. Schulhof, 253; Rediscovery of Finlay's Comet (1906d), Herr Kopf, 282; L. Schulhof, 282; Finlay's Comet (1906d), L. Schulhof, 339, 371, 386, 417, 453, 499, 575; M. Fayet, 339; M. J. Guillaume, 417; M. Quénisset, 575; Stereoscopic Measurement of Proper Motions, Prof. Max Wolf, 231; Early Meteors of the Perseid Shower, W. F. Denning, 246; the Radiants of the Perseid Shower, M. Wwedenski, 253; an Objective-prism Comparison Spectrograph, de Lisle Stewart, 253; Russian Astronomical Observations, 253; a New Observatory for Hamburg, 253; Preliminary Experiments on the Photographic Transit, S. Hirayama, 254; the Orbit of Castor, Dr. H. D. Curtis, 282; Planets and Planetary Observations, W. F. Denning, 282; Reflecting Telescopes of Short Focus, Prof. Vogel, 306; the Astronomical Society of Canada, 306; Magnitudes and Places of 251 Pleiades Stars, K. Schiller, 306; Observations of Minor Planets and Comets, Prof. E. Weiss, 306; a Study of the Sky, Prof. Herbert A. Howe, 315; an Unexplained Observation, Prof. Barnard, 339; the Rio de Janeiro Observatory, 340; Catalogue of 1772 Stars chiefly comprised within the Zone 85°-90° N.P.D. for the Epoch 1000, deduced from Observations made at the Radcliffe Observatory, Oxford, during the Years 1894-1903, under the Direction of Prof. Arthur A. Rambaut, F.R.S., 341; Publications of the Astronomical Laboratory at Groningen, Components of the Proper Motions and other Quantities for the Stars of Bradley, Prof. J. C. Kapteyn, Tables for Photographic Parallax-observations, Dr. W. de Sitter, some Useful Trigonometrical Formula and a Table of Goniometrical Functions for the Four Quadrants, Prof. J. C. Kapteyn and Prof. W. Kapteyn, 341; Cours d'Astronomie, Louis Maillard, 341; New Theories in Astronomy, William Stirling, 341; Study of an Apparatus designed by M. Lippmann for the Photographic Measurement of Right Ascensions, W. Ebert and C. Le Morvan, 343-4; die Bahnbestimmung der Himmelskörper, Julius Bauschinger, 345; die Gauss-Gibbssche Methode der Bahnbestimmung eines Himmelskörpers aus drei Beobachtungen, Prof. Johannes Frischauf, 345; a Large Meteor, W. F. Denning, 351; Observation of a Bright Meteor, Ph. Fauth, 371; the Aims of an Astronomer, Prof. E. C. Pickering, 368; a Compendium of Spherical Astronomy, with its Applications to the Determination and Reduction of Positions of the Fixed Stars, Prof. Simon Newcomb, 379; Planets and Planetary Observations, Mr. Denning, 386; a New Form of Spectroheliograph, G. Millochau and M. Stefánik, 386; Astronomy in the Old Testament, Prof. G. Schiaparelli, 410; Researches into the Origin of the Primitive Constellations of the Greeks, Phoenicians, and Babylonians, Robert Brown, jun., 410; a Memorial to the late Prof. Tacchini, 417: Report of the Paris Observatory for 1905, M. Loewy, 417; the Spectra of Sun-spots and Red Stars, Prof. Hale and Prof. Adams, 418; Sir Norman Lockyer, 418; Discovery of a New Comet (1906), Herr Kopff, 452; Herr Graff, 453; Comet 1906e (Kopff), M. Ebell, 474, 499, 575; Prof. E. C. Pickering, 499; Dr. Graff, 499; M. F. Sy, 508; Prof. Millosevich, 575; Messrs. Crawford and Champreux, 619: Greenwich Sun-spot Numbers, 453; the Origin of the Zodiacal Light, Maxwell Hall, 453; a Modified Form of Solar Eve-piece, Prof. Ceraski, 453; a Newly-discovered Planetary Nebula, Prof. Barnard, 474; Plea for an International Southern Telescope, Prof. E. C. Pickering, 474; Spectroscopic Observations of the Rotation of the Sun, Dr. J. Halm, 484; the Planet Mercury, Mr. Denning, 499; Observations of Satellites, Prof. Barnard, 499; the Kodaikanal Observatory, Monteith Macphail, 525; Observations of Solar Phenomena, 1906, Prof. Mascari, 525: Introduction to Astronomy, Prof. Forest! Ray Moulton, 538; the Colours of Sun-spots, Th. Hansen, 548; the Relation between the Spectra of Sunspots and Stars, W. S. Adams, 595; Sun-spot Spectra Observations, W. M. Mitchell, 619; a New Form of Wedge Photometer, H. Rosenberg, 575; Occultation of a Star by Venus, Dr. Downing, 575: Results of the International Latitude Service, 1902-1906, Prof. M. Albrecht, 575; the Amana Meteorite, Dr. G. D. Hinrichs, 575; Colour and Spectra of Solar Prominences, M. Ricco, 580; Observations of the Planet Mars during the Oppositions of 1894, 1896, 1808, 1901, and 1903, made at Flagstaff, Arizona, Percival Lowell, Dr. William J. S. 13, Prof. A. A. Nijland, 595; the Mount Wilson Spectroscopic Laboratory, 595; the Utility of Short-focus Reflectors, Dr. A. Berberich, 595: Prof. Barnard's "Unexplained Observation," Charles L. Brook, 595; Observations of Variable Stars, E. S. Haynes, 619; a New Form of Photometer, MM. Deslandres and Bernard, 644; a Novel Planisphere, G. P. Serviss and L. Barritt, 645; the Oxford University Observatory, Prof. Turner, 645 Atkinson (G. F.), First Studies of Plant Life, Supp. to October 11, V Atlas colorié des Plantes et des Animaux des Côtes de Atoms, Models of, Prof. Alfred W. Porter, 563 August Rainfall, Alex. B. MacDowall, 8 ← Auriga, the Variable Radial Velocity of, Dr. H. Ludendorff, 41 Austin (Ernest Edward), Illustrations of British Bloodsucking Flies, 441 Australia": Australian Ethnology, 100: Destruction of Animals in Australia, T. Steel at Linnean Society, New South Wales, 188; the Dead Heart of Australia, a Journey round Lake Eyre in the Summer of 1901-2. with some Account of the Lake Eyre Basin and the Flowing Wells of Central Australia, Prof. J. W. Gregory. 296 Auvergne, l'Age des derniers Volcans de la France, Marcellin Boule, Prof. T. G. Bonney, F.R.S., 607 Avalanche destroys Kwareli, 496 Avogadro and Dalton, the Standing in Chemistry of their Hypotheses, Dr. Andrew N. Meldrum, 537 Bacteriology: New Micro-organism producing Acetone, L. Bréaudat, 192; Experimental Production of Tubercle Bacillus and of Anti-tuberculous Vaccine, S. Arloing, 240; Channels of Entrance of the Tubercle Bacillus into the Organism, Dr. A. Calmette, 593; Longevity of Bacillus typhosus in Natural Waters and in Sewage, H. L. Russell and C. A. Fuller, 280; Bacteria in Relation to Plant Diseases, Erwin F. Smith, Prof. R. T. Hewlett, 294; Opening of a New Laboratory at the Rothamsted Experimental Station, 307; Bacillus of Leprosy found in Mosquito and Bed-bug, Dr. W. J. Goodhue, 367 Baeyer's (Adolf von) Gesammelte Werke, Prof. W. H. Perkin, jun., F.R.S., 73 Bahnbestimmung der Himmelskörper, die, Julius Bauschinger, 345 Bahnbestimmung eines Himmelskörpers aus drei Beobachtungen, die Gauss-Gibbssche Methode der, Prof. Johannes Frischauf, 345 Bailey (L. H.), the Outlook to Nature, 315 Baird (Dr. J. W.), the Contraction of the Colour Zones in Hysteria and in Neurasthenia, 574 Baker (R. T.), Two Undescribed Species of Eucalyptus from Eastern Australia, 484 Baker (T. Thorne), Colour-correct Photography, Supp. to Bakerian Lecture at Royal Society, Recent Advances in Ball (Dr. L. de), Refraktionstafeln, 463 Ballistics: Death of Sir Alexander Moncrieff, K.C.B.. , 1906 13, 1906 Balloons and Kites in the Service of Meteorology, W. H. Baly (E. C. C.), Relation between Absorption Spectra and Bantu Folklore (Medical and General), Dr. Matthew L. Barber (C. A.), Early Stages in the Development of the Barcroft (Joseph), Physiology at the British Association, Bargellini (G.), a New Hypothesis connecting the Fluor- Barger (G.), Saponarin, a New Glucoside, 310 Barometric Variations of Long Duration over Large Areas, Barraclough (S. H.), Hollow Lightning Conductor Crushed Barrett (Dr. W. F., F.R.S.), Entoptic Vision, Haidinger's Barrows (W. M.), the Effects of Inbreeding, Cross-breed- Barus (Prof. Carl), the Nucleation of the Uncontaminated Bashford (E. F.), Experimental Analysis of the Growth of Basset (A. B., F.R.S.), the Mixed Transformation of Bassler (R. S.), Smithsonian Institution, Bulletin of the Baubigny (H.), Estimation of Cadmium in a Volatile or Baudran (G.), a Curative Product derived from Tubercu- Bauer (Dr. L. A.), Report of Department of Research in Baumert (Dr. Georg), Lehrbuch der gerichtlichen Chemie, Bauschinger (Julius), die Bahnbestimmung der Himmels- Baxandall (F. E.), Stars with Peculiar Spectra, 214 Bean (Dr. R. B.), the Negro Brain, 524 Beare (Prof. Hudson), on the New Engineering Labor- Reauverie (J.), Atlas colorié de la Flore Alpine, 561 Beck (Messrs. R. and J.). Ultimate Microscope Resolving Bees, How do Inquiline, find the Nest of their Host? Beetle, Strength of a, Charles R. Keyser, 318 453 Bernard (M.), a New Form of Photometer, 644 Berwerth (F.), the Meteorite of Kodaikanal, 644; Artificial Bibbins (Arthur), Status of the Mesozoic Floras of the Bidwell (Shelford, F.R.S.), Stress in Magnetised Iron, 317 Biochemistry, Recent Advances in Physiology and, Supp. Biogen, Radiobes and, 1 Biology: the Origin of Life, its Physical Basis and De- the Bay of Biscay, E. T. Browne, 70; Biscayan Plankton Biometry, the Latest Critic of, Prof. Karl Pearson, F.R.S., Biometry and Biology, a Reply to Prof. Pearson, J. J. Biquard (Robert), the Presence of Neon amongst the Gases Birds the Birds of Tunisia, J. I. S. Whitaker, O. V. Bjerknes (V.), Recherche sur les Champs de Force hydro- Black (A. C.), Natural Phenomena, a Collection of De- Blackman (Dr. V. H.), the Nature of Fertilisation, 551 Blake (Rev. J. F.), Death and Obituary Notice of, 278 Mucorineæ, 576 in the Blanc (Dr. G. A.), Radio-active Substances in the Therma! Bloch (M.), Production of Aromatic Sulphamates by the Blood-pressure, Studies in, Physiological and Clinical, Dr. Blood-sucking Flies, Illustrations of British, Ernest Edward Bloxam (W. Popplewell), on a New Method of determining Blythe (W. H.), on Models of Cubic Surfaces, 197 Boas (J. E. V.), Pleural Cavity Absent in Indian Elephant. 280 Bogdanov (Dr. Alexander), Death of, 414 Bois, Traité d'Exploitation commerciale des, A. Mathey Bois-Reymond (A. du), Erfindung und Erfinder, 559 Bölsche (Wilhelm), Haeckel, his Life and Work, 26 Boltzmann (Prof. Ludwig), Death of, 496; Obituary Notice Bombay Locust, the, H. Maxwell-Lefroy, Fred. V. Theo- 13 Bonney (Prof. T. G., F.R.S.), on the Origin of the Trias, Booth (W. H.), Water Softening and Treatment, 464 Bort (L. Teisserenc de), the Meteorology of the Free Atmo- Botany: Original Habitat of the Cocoanut Palm, J. December 13, 1906 Index Progress of the Nurseries of Messrs. James Veitch and 577 Bousse (H.), Essais des Matériaux, 174 Bouchard (Ch.), Toxic Action and Localisation of the Boudouard (M.), the Substances Formed by the Action of Boulenger (Dr. G. A.), the Tanganyika Problem, 551 Bourgeois (R.), Deviations from the Vertical in the Region Bouty (E.). Cours de Physique de l'École Polytechnique, Bouveault (L.), a-Chlorocyclohexanone and its Derivatives, 120 Bouvier (E. L.), Nidification of Bees in the Open Air, 95 Bowen (W. H.), Experimental Analysis of the Growth of Boves (Rubert. F.R.S.). Report to the Government of Boyd H A., American Explorations in Crete, 469 Brabrook (Sir Edward), on Health at School, 501 Breath, Carbon Dioxide in the, F. Southerden, 81 Breeding Industry, the, Walter Heape, F.R.S., Dr. Francis ix Breuil (Abbé), the Evolution of Art during the Reindeer Brighter Stars, the Luminosity of the, George C. Com- Brightwen (Mrs.), Death and Obituary Notice of, 38 Bristol, Sanitary Congress at, 282 Britain, Alien Flora of, S. T. Dunn, 170 Section A (Mathematics and Physics)-Opening Address Prof. Section B (Chemistry)-Opening Address by |