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Morgan, 518; Orbital Elements of Two Meteors, Dr. P. Moschick, 161; Magnetic Disturbance during the Recent Auroral Display, Th. Moureaux, 161; the Zodiacal Light to the North of the Sun, Prof. Newcomb, 161; Discovery of a Third New Comet, 1905d, Mr. Slipher, 182; the Recent Aurora and Magnetic Disturbances, 182; the Intrinsic Light of the Corona, Chas. Fabry, 182; Suggested Name for Neptune's Satellite, M. Fouche, 182; the Companion to the Observatory, 1906, 182; Sun-spot Periods, Prof. A. Schuster, 190; the Periodogram and its Optical Applications, 2; the Periodicity of Sun-spots, Prof. Arthur Schuster, F.R.S., at Royal Society, 378; Sun-spot Spectra, Profs. Hale and Adams, 425; Highlevel Chromospheric Lines and their Behaviour in Sunspot Spectra, Prof. A. Fowler, 599; Astronomical Observations recorded in the Nihongi, the Ancient Chronicle of Japan, E. B. Knobel, 190; Effect of the Lunar Deflection of the Vertical on Latitude Observations, B. Cookson, 191; How to Know the Starry Heavens, Edward Irving, 196; Measures of Double Stars, Messrs. Lewis, Furner, and Bowyer, 208; Micrometer Measures of Double Stars, H. E. Lau, 232; Micrometer Measures of Struve Double Stars, Dr. H. E. Lau, 495; Double Star Orbits, Prof. Doberck, 305; Graphical Method for Finding the Time of Moonrise, Fr. W. F. J. Rigge, 208; Further Results obtained with the Spectroheliometer, Dr. J. Halm, 215; a Fourth New Comet (1905e), 232; the Expected Return of Comet 1892 V, J. Coniel, 232; French Astronomical Annuaires, 233: Astronomical Refraction, C. J. Merfield, 240; Death of Prof. C. J. Joly, F.R.S., 251; Obituary Notice of, 273; Ephemeris for Holmes's Comet (1892 III., 1899 II.), H. J. Zwiers, 255; Photographs of the Solar Granulations, Prof. Hansky, 255: the Orbit of Ursa Majoris, N. E. Nörlund, 255; the Great Gnomon of Florence Cathedral, 258; Philips' Large Planisphere, H. Gewecke, 269; Theory of the Motion of the Moon, Ernest W. Brown, F.R.S., 272; a New Method of Determining the Moon's Position Photographically, Mr. Wade, 352; the Apparent Enlargement of the Moon at the Horizon, Ed. Claparède, 400; the Figure of the Sun, Dr. C. L. Poor, 279; Stellar Magnitude of the Sun, Prof. Ceraski, 279: Variability of Iris, Dr. H. Clemens, 279; Periodical Comets due to Return this Year, W. T. Lynn, 305; the Annular Nebula in Cygnus (N.G.C. 6894), G. Tikhoff, 305; Right Ascensions of the Eros Comparison Stars, Dr. Fritz Cohn, 305; Observations of Nova Geminorum, Dr. Graff, 305; Discovery of a New Comet, M. Brooks, 326; Dr. Palisa, 326; Comet 1906a, Messrs. Crawford and Champreux, 352; Prof. Hartwig, 375; M. Ebell, 375, 400, 425, 494; MM. Rambaud and Sy, 407; Dr. Abetti, 494; Observations of Standard Velocity Stars, Mr. Slipher, 326; a Fire near the Mount Wilson Observatory, 326; Prof. Hale, 375; Report of the Meeting of the Solar Commission at Innsbruck, 352; a Catalogue of Spectroscopic Binaries, Prof. Campbell and Dr. H. D. Curtis, 352; Observations of the Lyrid Meteors, April, 1904, Dr. Jiří Kaván, 352; Notes on some Cornish Circles, Sir Norman Lockyer, K.C.B., F.R.S., 366, 561; Observations of Eros, 375; Catalogue of Stars within Two Degrees of the North Pole, Dr. Caroline E. Furness, 375; the Increasing Period of ẞ Lyræ, Dr. Alex. W. Roberts, 375; the United States Naval Observatory, Rear-Admiral Chester, 375: the Collected Mathematical Works of George William Hill, 409; a 300-Year Climatic and Solar Cycle, Thos. W. Kingsmill, 413: Transpacific Longitudes, Dr. Otta Klotz, 417; Life of Pietro Tacchini, L. Palazzo, 425; the Heavens at a Glance, A. Mee, 425; Fireball of January 27, 1906, W. F. Denning, 427; Death and Obituary Notice of Prof. Samue! Pierpont Langley, 443; Discovery of a New Comet, 1906b, Herr Kopff, 448; Dr. Valentiner, 448; Comet 1906b, M. Ebell, 474, 544: Mr. Champreux, 474; Prof. Hartwig, 494; Dr. Wirtz, 494, 544: Prof. Max Wolf, 494: the Ring Nebula in Lyra, Dr. Newkirk, 448; Prof. E. E. Barnard, 448; a Cluster of Nebulæ in Perseus. Dr. Max Wolf, 448; Twenty-five New Variable Stars. Miss Leavitt, 448; the Glow surrounding the Lunar Crater Linné. Prof. E. E. Barnard, 448; Measurements of Linné during the Total Eclipse of the Moon, Prof. E. C. Pickering, 569; R. H. Frost, 569; the Lunar Eclipse of February 8,

Dr. Wilson, 545; M. Quénisset, 545; First Photographs of the Canals of Mars, Prof. Percival Lowell, 453; Remarkable Variation in the Spectrum of 7 Boötis, Drs. H. Ludendorff and G. Eberhard, 474; a Brilliant Fireball, Mr. Denning, 474; the Leeds Astronomical Society, 474; Discovery of a New Comet (1906c), Mr. Ross, 494; Mr. Morgan, 494: Dr. Strömgren, 518, 569; a Programme of Solar Research, Prof. Hale, 494; Harvard College Observatory, Prof. Pickering, 494; Catalogue of 3799 Bright Stars, J. Bossert, 495; the System of the Stars, Agnes M. Clerke, Prof. R. A. Gregory, 505; New Variable Stars in the Region about y Sagittæ, Prof. Wolf, 518; some Tests of the Snow Telescope, Prof. Hale, 518; Distillation of Titanium and the Temperature of the Sun, Henri Moissan, 527; a Systematic Study of Faint Stars, Prof. Pickering, 545; Stars having Peculiar Spectra, Prof. Pickering, 545; Mrs. Fleming, 545; the April Meteors, W. F. Denning, 560; John R. Henry, 560; the Temperature of the Sun, Henri Moissan, 569; the Melbourne Observatory, 569; Mounting the 60-inch Reflector at Harvard, 569; Our Stellar Universe, Thomas Edward Heath, W. E. Rolston, 581; the Continuous Spectrum of the Chromosphere, M. Deslandres, 592; Objective-prism Determinations of Stellar Radial Velocities, Geo. C. Comstock, 592; the Observation of Longperiod Variables, Prof. Pickering, 592; Explanation of the Apparent Secular Acceleration of the Earth's Orbital Motion, P. H. Cowell, 598; Planetary Inversion, F. J. M. Stratton, 599; der Bau des Fixsternsystems mit besonderer Berücksichtigung der photometrischen Resultate, Prof. Hermann Kobold, 603; à la Poursuite d'une Ombre, Prof. Moye, 606; Catalogue of Pleiades Stars, Dr. R. S. Dugan, 617; Observations of Nebulæ, M. Bigourdan, 617; a Large Photographic Nebula in Scorpio, Prof. Barnard, 618

Astrophysics: Replicas of Diffraction Gratings, R. J. Wallace, 21; the Probable Volcanic Origin of Nebulous Matter, Prof. J. M. Schaeberle, 296

Atherton (W. H.), an Introduction to the Design of Beams, Girders, and Columns in Machines and Structures, with Examples in Graphic Statics, 1

Atkinson (E. F. J.), Intramolecular Change leading to the Formation of Naphthalene Derivatives, 262 Atlantic, the Vertical Distribution of the Meteorological Elements above the, Dr. A. L. Rotch and L. Teisserenc de Bort, 449

Atlas of the British Empire, Historical and Modern, Specially prepared for Students, C. Grant Robertson and J. G. Bartholomew, 484

Atlas, Philips' Model, 484

Atlas, the Survey, of England and Wales, J. G. Bartholomew, 218

Atmosphere, the Electric Production of Nitrates from the, Prof. Silvanus P. Thompson, F.R.S., at Royal Institution, 355

Atmosphere, the Exploration of the, over the Tropical Oceans, Dr. A. L. Rotch and L. Teisserenc de Bort, 54 Atmosphere, Ionisation of the, during Total Solar Eclipse, Charles Nordmann, 208

Atmospheric Circulation, the Pulse of the, Dr. W. N. Shaw, F.R.S., 175

Atom, the Death-knell of the, 132

Atomic Disintegration, Prof. W. Meigen, 389

Atomic Disintegration and the Distribution of the Elements, Donald Murray, 125: Frederick Soddy, 151; Norman R. Campbell, 152; Geoffrey Martin, 152

Atomic Weight, Secondary Röntgen Rays and, Dr. Charles G. Barkla, 365

Atoms, the Form of, in Relation to the Spectra, Prof. F. von Lindemann, 392

Atwater (Prof. W. O.), a Respiration Calorimeter with
Appliances for the Direct Determination of Oxygen,
Audition, Mesure et Développement de l', Dr. Marage,
Prof. John G. McKendrick, F.R.S., 292

Aurora, Magnetic Storms and, Dr. Charles Chree, F.R.S., 101, 173: F. C. Dennett, 152; Dr. Alexander Graham Bell, 197; Prof. H. Gedmuyden, 197; the Recent Aurora and Magnetic Disturbances, 182; Aurora of November 15, Rowland A. Earp, 79; R. Langton Cole, So; Prof. M. P. Rudzki, 246; Aurora of November 15 and

14, 1906

December 12, Dr. Alexander Graham Bell, 223; Magnetic
Disturbance during the Recent Auroral Display, Th.
Moureaux, 161

Australia: Report of Inter-State Astronomical and Meteor-
clogical Conference, Adelaide, May, 1905, 8; Fragmenta
Phytographia Australia occidentalis, L. Diels and E.
Pritzel, 149; Australian Story Book, the Little Black
Princess, a True Tale of Life in the Never-Never Land,
Jeanie Gunn, 155; the Bees of Australia, Prof. T. D. A.
Cockerell, 439; the Euahlayi Tribe, a Study of Aboriginal
Life in Australia, K. Langloh Parker, 610
Avebury (the Right Hon. Lord, F.R.S.), Comparative
Studies in the Psychology of Ants and of Higher Animals,
E. Wassmann, 315; British Flowering Plants, 604
Ayers (Dr. H.), the Unity of the Gnathostome Type, 491
Azimuths, Graphical Method of determining Altitudes and,
Mr. Littlehales, 63

Baccioni (G. B.), Seta Artificiale, 606
Backhouse (Mr.), Comet 1905c (Giacobini), 255
Bacteriology: a Gelatin-hardening Bacterium, R. Greig
Smith, 24; Germicidal Action of Copper Salts and of
Bright Copper, Mr. Watkins-Pitchford, 61; Action of
Bacteria in the Souring of Milk, 85; Milk and Copper,
John Golding and Dr. Feilman, 399; Bacteriological
Examination of Milk, Dr. A. C. Houston, 492; Insects
as Carriers of Disease, A. E. Shipley, F.R.S., at the
British Association Meeting at Pretoria, 235: Action of
Hordenine Sulphate on Soluble Ferments and on Micro-
organisms, L. Camus, 383; Dangers of the Ingestion of
Dead Tubercle Bacilli into Tuberculous and Healthy
Animals, A. Calmette and M. Breton, 431; Developmental
Changes in Zoogloa, Dr. H. C. Bastian, 454; Analysis
of Tubercle Bacilli, G. Baudran, 504; Action of Radium
Emanation on Chromogenic Bacteria, Ch. Bouchard and
M. Balthazard, 576; Ropiness in Flour and Bread, its
Detection and Prevention, E. J. Watkins, 598; Bacterio-
logical Examination of Intestinal Contents of Sea-fowl
and of Fish, Dr. Houston, 619

Bailey (Dr. G. H.), Elements of Quantitative Analysis, 244
Bain (H. Foster), Fluorspar Deposits of Southern Illinois,
306; Zinc and Lead Deposits of North-Western Illinois,
306; Preliminary Report on the Geology of the Arbuckle
and Wichita Mountains in Indian Territory and Okla-
homa, 593

Baird (John Wallace), the Colour Sensitivity of the Peri-
pheral Retina, 260

Bairstow (L.), Resistance of Iron and Steel to Reversals
of Direct Stress, 617

Baker (R. T.), Lemon-scented Leptospermum, 456
Baker (W.), the Tsetse-fly and its Trypanosome, 118
Baker (W. M.), Elementary Dynamics, 245

Baldit (Albert), Dissymmetry of the Loss of Electricity in
Mountainous Countries, 48

Baldwin (Mr.), Propagation of Longitudinal Waves of
Magnetic Flux along Iron Wires and Rods, 358
Balfour (Henry), the Musical Instruments of South Africa,

Ballooning Method Employed by the Prince of Monaco for
ascertaining the Conditions of the Upper Air by Means
of Unmanned Balloons, Prof. H. Hergesell, 181; see
also Aëronautics

Balthazard (M.), Action of Radium Emanation on Chromo-
genic Bacteria, 576

Baly (E. C. C.), Relations between Absorption Spectra and
Chemical Constitution, part i., Chemical Reactivity of
the Carbonyl Group 382, part ii., the Quinones and
a-Diketones, 382; Nitranilines and Nitrophenols, 382;
Spectroscopy, Supp. to November 30, ix

Banta (A. M.), the North American Cave-salamander
Spelerpes maculicaudus, 615

Bantu Speech of Southernmost Africa, the, Sir H. H.
Johnstone, K.C.M.G., 481

Barber (C. A.), Sugar Cane Cultivation in Madras, 447
Barbinger (D. M.), an Extinct Volcano in Arizona, 541
Barcroft (J.), Physiology at the British Association, 138:
on the Heat Production in the Organs of Secretion and
Excretion, 138

Barker (T. V.), Comparative Crystallographic Study of the
Perchlorates and Permanganates of the Alkalis and the

Barkla (Dr. Charles G.), Secondary Röntgen Rays and
Atomic Weight, 365; Polarisation in Secondary Röntgen
Radiation, 501; Secondary Röntgen Radiation, 502
Barnard (Prof. E. E.), the Anomalous Tails of Comets,
136; the Ring Nebula in Lyra, 448; the Glow Surround-
ing the Lunar Crater Linné, 448; a Large Photographic
Nebula in Scorpio, 618

Barnett (W. G.), Sounding Stones, 390

Barrett (Charles G.), the Lepidoptera of the British Islands,
a Descriptive Account of the Families, Genera, and
Species Indigenous to Great Britain and Ireland, their
Preparatory States, Habits, and Localities, 532
Barringer (D. M.), the Crater of Coon Mountain, Arizona,


Barron (T.), Death and Obituary Notice of, 371
Bartholomew (J. G.), the Survey Atlas of England and
Wales, 218; Historical and Modern Atlas of the British
Empire specially prepared for Students, 484

Bashore (Dr. Harvey B.), the Sanitation of a Country
House, 437

Baskerville (Dr. Charles), Radium and other Radio-active
Substances, their Application especially to Medicine, 2
Bassani (Prof. F.), Fish Fauna of the Pleistocene Clays of
Taranto, 327

Basset (A. B., F.R.S.), the Maximum Number of Double
Points on a Surface, 246

Bastian (Dr. H. Charlton), the Nature and Origin of
Living Matter, 361; Developmental Changes in Zooglœa,

Bataks of Palawan, the, Edward Y. Miller, Dr. A. C.
Haddon, F.R.S., 584

Bateman (H.), the Theory of Integral Equations, 190
Bates-Müller Hypothesis of Mimicry, the, a Question of
Historical Accuracy, Prof. R. Meldola, F.R.S., 100
Bather (Dr. F. A.), Cooperation between Scientific
Libraries, 413; Twilight Glows due to Eruption of
Vesuvius, 614

Batoka Gorge of the Zambesi, the, G. W. Lamplugh,
F.R.S., 111

Batsmen, Great, their Methods at a Glance, G. W. Beldam
and C. B. Fry, 82

Baudran (G.), Analysis of Tubercle Bacilli, 504

Bauer (E.), Benzyl and Phenyl-borneols and their Pro-
ducts of Dehydration, 527

Baumhauer (Dr. H.), die neuere Entwickelung der Kris-
tallographie, 340

Bayley (R. Child), Border Occasionally seen between Light
and Dark Regions on Photographic Plates, 29
Bayliss (Jessie S.), the Galvanotropic Irritability of Roots,


Beadle (Clayton), Chapters on Paper-making, 581

Beale (Prof. Lionel Smith, F.R.S.), Death and Obituary
Notice of, 540

Bean (B. A.), the Great Whale-shark, 516
Beasties Courageous, Studies of Animal Life and Char-
acters, D. English, 177

Beattie (Prof. J. C.), the British Association and Our
Colonies, 222

Beaulard (F.), Specific Inductive Power of Benzene and
Water, 23

Beck (Prof. R.), on the Origin of Pegmatites as Products
of the Crystallisation of the Residual Mother Liquors of
a Solidified Plutonic Magma,_91

Becker (G. F.), the Linear Force of Growing Crystals,

Becknell (G. G.), the Residual Electromotive Force of the
Carbon Arc, 207

Becquerel (Henri), Properties of the a Rays emitted by
Radium, 407

Beddoe (Dr. John, F.R.S.), Colour and Race, 14

Beebe (Dr. S. P.), Outlines of Physiological Chemistry,

Bees of Australia, the, Prof. T. D. A. Cockerell, 439
Beet-sugar in England, the Growth of, 539

Beilby (G. T.), Influence of Phase Changes on Tenacity
of Ductile Metals, 70; Coal Consumption of the United
Kingdom, 398

Beilby (H. N.), Influence of Phase Changes on Tenacity
of Ductile Metals, 70

Beldam (G. W.), Great Batsmen, their Methods at


Belgium, Forestry in, Prof. W. R. Fisher, 186
Bell (Dr. Alexander Graham), Magnetic Storms and Aurora,
197; Auroræ of November 15 and December 12, 223;
Tetrahedral Cell Kites designed by, 275

Bell (A. H.), Notes on Volumetric Analysis, 459
Bell (G. M.), the Winchester Arithmetic,
November 30, viii

Supp. to

Bell (Hesketh), Hurricanes in the West India Islands, 348 Bell (J. M.), the Mineral Constituents of the Soil Solution, 398

Bell (R.), My Strange Pets and other Memories of Country Life, 76

Bellars (A. E.), Velocity of Transformation of Sugars by
Alkalies, 527

Benedict (Prof. F. G.), a Respiration Calorimeter with
Appliances for the Direct Determination of Oxygen, 276
Benham (Charles E.), Heat a Mode of Motion, 246
Benham (Prof. W. B.), Carnivorous Habits of the New
Zealand Kea Parrot, 559

Benson (Dr. Margaret), Embryology of the Amentiferæ,
part ii., Carpinus Betulus, 167
Berger (E.), Action of Phosphorus

B-Naphthol, 192



Bergwanderungen, Höhenklima und, in ihrer wirkung auf den Menschen, N. Zuntz, A. Loewy, F. Müller, and W. Caspari, 553

Berkeley (Earl of), Determination of the Osmotic Pressures of Solutions by the Measurement of their Vapour Pressures, 380

Bernard (Henry M.), Catalogue of the Madreporarian Corals
in the British Museum (Natural History), 412
Berridge (Miss E.), Embryology of the Amentiferæ, part ii.,
Carpinus Betulus, 167

Berthelot (M.), Insoluble Potassium Compounds contained in Humic Materials, 262

Berthier (M.), Elongation of Wires by Flexion, 277

Besson (M.), Action of Peroxide of Nitrogen on Ammonia, 504

Bichel (C. E.), New Methods of Testing Explosives, 194
Biela's Comet, the Meteors of, Mr. Denning, 64
Biermann (Dr. Otto), Vorlesungen über mathematische
Näherungsmethoden, 245

Bigourdan (M.), Observations of Nebulæ, 617

Biles (Prof.), on Steam Turbines as applied to Ocean Liners, 64

Binaries, a Catalogue of Spectroscopic, Prof. Campbell and Dr. H. D. Curtis, 352

Binary Star Orbits, Catalogue of, Prof. R. G. Aitken, 136

Biochemie der Pflanzen, Prof. Dr. Fr. Czapek, F. Escombe, 193; Corr., 341

Biology: Handbuch der Blutenbiologie, Ernst Loew, 26; Biological Foundations of Sociology, Dr. G. Archdall Reid, 94; the Principles of Heredity, with some Applications, Dr. G. A. Reid, 121, 223; My Life, a Record of Events and Opinions, Alfred Russel Wallace, 145; the Origin of Variations in Animals and Plants, Prof. T. D. A. Cockerell, 197; New Creations in Plant Life, an Authoritative Account of the Life and Work of Luther Burbank, W. S. Harwood, 242; Cause of Sterility in Zebra-pony Hybrids, E. Iwanoff, 252; die Vererbungslehre in der Biologie, Dr. H. E. Ziegler, 318; die Mneme als erhaltendes im Wechsel des organischen Geschehens, Richard Semon, 338; the Nature and Origin of Living Matter, Dr. H. Charlton Bastian, F.R.S., 361; "Radiobes," Butler Burke, 399; Geschichte der biologischen Theorie, seit dem Ende des siebzehnten Jahrhunderts, Dr. Em. Radl, 435; Developmental Changes in Zooglœa, Dr. H. C. Bastian, 454; la Nature et la Vie, Henry de Varigny, 462; New Magazines of Biological Chemistry, 474; Microscopic Aquatic Plants of Our Waters, Dr. F. E. Fritsch at London Institution, 499: Biometrical Study of Conjugation in Paramecium, Dr. Raymond Pearl, 501; the British Tunicata, an Unfinished Monograph, the late Joseph Alder and the late Albany Hancock, Dr. W. Garstang, 508; Growth of the Oocyte in Antedon, a Morphological Study in Cell-metabolism, Dr. Gilbert Chubb, 574; Anales del Museo Nacional de Buenos Aires, 581; Marine Biology: Remarkable Colenterata from the West Coast of Ireland, Prof. Sydney J. Hickson, F.R.S., 5; the Percy Sladen Expedi

June 14, 1906

tion in H.M.S. Sealark, J. Stanley Gardiner, 43, 184, 294; the Formation of Spicules, W. Woodland, 179; Chatognatha of the Siboga Expedition in the Dutch East Indies, Dr. Fowler, 381; Pisciculture at Port Erin, 614; Phosphorescent Marine Animals, Prof. McIntosh, 349; Catalogue of the Madreporarian Corals in the British Museum (Natural History), Henry M. Bernard, 412; Meddelelser fra Kommissionen fra Havundersogelsen, Serie Hydrografi, Serie Fiskeri, Serie Plankton, Jas. Johnstone, 434; Observations on Gennadas, E. L. Bouvier, 551

Biometrics of Brain-weights, the, 200

Birds Catalogue of the Collection of Birds' Eggs in the British Museum (Natural History), E. W. Oates and Captain S. G. Reid, 53; Wild Wings, Adventures of a Camera-Hunter among the Larger Wild Birds of North America on Sea and Land, H. K. Job, 123; Monotremes and Birds, Dr. H. Gadow, F.R.S., 222; Ootheca Wolleyana, an Illustrated Catalogue of the Collection of Birds' Eggs formed by the late John Wolley, Prof. Alfred Newton, 387; Eggs of the Native Birds of Britain and List of British Birds, Past and Present, W. J. Gordon, 387; the Bird Watcher in the Shetlands, with some Notes on Seals-and Digressions, Edmund Selous, O. V. Aplin, 414; Nature-tones and Undertones, J. Maclair Boraston, O. V. Aplin, 414; the Birds of Hampshire and the Isle of Wight, Rev. J. E. Kelsall and Philip W. Munn, O. V. Aplin, 465; the Protection of Birds, 521; Bird-life at the South Orkney Islands, Wm. Eagle Clarke, 570 Björling (P. R.), British Progress in Pumps and Pumping Engines, 217

Black (Dr. R. S.), Leprosy in South Africa, 139

Black Princess, the Little, a True Tale of Life in the Never-Never Land, Jeanie Gunn, 155

Blaise (E. E.), Migration of Carboxyl in the Dehydration of Certain Acid Alcohols, 72

Blake (Sir Henry), the Pearl Fisheries of Ceylon, 491
Blakesley (T. H.), on Constant-deviation Prisms, 95
Blanc (G.), Mixed Derivatives of Dextrorotatory Camphoric
Acid and on B-Campholide, 71

Blatchley (W. S.), Indiana Department of Geology and Natural Resources, Twenty-ninth Annual Report, 1904, 376

Blondlot n-Rays, the, A. A. Campbell Swinton, 413

Blood Parasites, the Practical Study of Malaria and other, Dr. J. W. W. Stephens and S. R. Christophers, Prof. R. T. Hewlett, 148

Blum (G.), Photography of the Solar Protuberances with Coloured Screens during the Eclipse of August 30, 1905, 576

Blutenbiologie, Handbuch der, Ernst Loew, 26

Blythswood (Lord), Dewar's Method of producing High Vacua by Means of Charcoal, 207

Bobine d'Induction, la, H. Armagnet, 124

Bôcher (Prof. Maxime), a Problem in Analytic Geometry with a Moral, 447

Bodenkunde, E. Ramann, 266

Bodroux (F.), Rapid Preparations of Solutions of Hydriodic Acid, 359

Body and Mind, the Training of the, Wilfred Mark Webb, 259

Bogenlampen, die elektrischen, deren Prinzip, Konstruk-
tion und Anwendung, J. Zeidler, H. Bohle, 27
Bohle (H.), die elektrischen Bogenlampen, deren Prinzip,
Konstruktion und Anwendung, J. Zeidler, 27

Bohr (Prof.), Effect of High Altitudes upon Health, 138
Boll Weevil, the Mexican Cotton, W. D. Hunter and W. E.
Hinds, 158, 257: Fred. V. Theobald, 257
Bollworm, the Cotton, A. L. Quaintance and C. T. Brues,
Fred. V. Theobald, 257

Bolton (Dr. Charles), Specificity and Action in vitro of
Gastrotoxin, 622

Boltwood (Bertram B.), Is Radium a Disintegration Product of Uranium? 37

Bolza (Dr. Oskar), Lectures on the Calculus of Variations,


Bone (W. A.), Interaction of well-dried Mixtures of Hydrocarbons and Oxygen, 551; Explosive Combustion of Hydrocarbons, 551

Bonhote (J. L.), Mammals brought back by the Tibet Mission, 142

14, 1906

Bonney (Prof. T. G.), Relations of the Chalk and Boulderclay near Royston, 574

Bonnier (Gaston), the Habits of Bees and the Colours of Flowers, 191

Bonnier (Pierre), Physiological Conditions of Oral Teaching, 359

Bontoc Igorot, the, Albert Ernest Jenks, Dr. A. C.
Haddon, F.R.S., 584

Bookbinding, Report of the Committee on Leather for, 219
Books, an Inquiry for, G. Hammam, 464
Books of Science, Forthcoming, 476

Bootis, Remarkable Variation in the Spectrum of, Drs.
H. Ludendorff and G. Eberhard, 474
Boraston (J. Maclair), Nature-tones and Undertones, 414
Borax and Boric Acid on the Human System, Third
Treatise on the Effect of, Dr. Oscar Liebreich, 611
Borchardt (W. G.), Elementary Algebra, 293

Bordas (F.), Method of Determination of the Foreign Materials contained in Cocoa and Chocolate, 504 Bordas (L.), Accessory Glands to the Silk-producing Apparatus of the Larvæ of Io Irene, 48 border occasionally seen between Light and Dark Regions on Photographic Prints, Sir Oliver Lodge, F.R.S., 5, 54; Dr. F. J. Allen, 29; R. Child Bayley, 29 Borland (W. D.), Ignition of Nitro-compound Explosives in Small-arm Cartridges, 525

Borneo Everyday Life among the Head-hunters, and other Experiences from East to West, Dorothy Cator, 203 Börnstein (Dr.), Landolt-Börnstein-Physikalischchemische Tabellen, Supp. to November 30, vi

Borough Polytechnic Institute, the Place of Polytechnics in Education, Sir Norman Lockyer, K.C.B., F.R.S., at, 521

Bort (L. Teisserenc de), the Exploration of the Atmosphere
over the Tropical Oceans, 54; the Vertical Distribution
of the Meteorological Elements above the Atlantic, 449
Borzi (M.), the late Prof. Federico Delpino, 277
Bossert (J.), Catalogue of 3799 Bright Stars, 495
Boston Colloquium, the, Lectures on Mathematics, Edward
Burr Van Vleck, Henry Seely White, and Frederick
Shenstone Woods, 122

Botany Wayside and Woodland Blossoms, Edward Step, 3; Vegetationsbilder, Drs. G. Karsten and H. Schenck, 4 Botany of the Far North of New Zealand, Dr. L. Cockayne, 16; the History of Emulsin, L. Guignard, 23; a New Species of Eucalyptus, J. H. Maiden, 24; New South Wales Linnean Society, 24, 216; Handbuch der Blutenbiologie, Ernst Loew, 26; Flora of West Prussia, J. B. Scholz, 36; Brazilian Rubber Plants, Dr. J. Huber, 36; India-rubber plants, A. Chevalier, 47; the Rubber Industry, 277; Cultivation of Rubber in Bassein, Bombay, 616; Influence of Different Kinds of Light Radiations on the Migration of the Albumenoids in the Wheat Grain, J. Dumont, 48; Index Kewensis Plantarum Phanerogamarum, Sir W. T. Thiselton-Dyer, K.C.M.G., F.R.S., 75; the Kew Bulletin, Sir W. T. Thiselton-Dyer, K.C.M.G., F.R.S., 534; Light Emission by Plants, Prof. H. Molisch, 85: the Galvanotropic Irritability of Roots, Dr. Alfred J. Ewart and Jessie S. Bayliss, 94: Morphology of Aerial Bulbs, Marcel Dubard, 96; the Isolation of the Infecting Organism (Zoochlorella) of Convoluta roscoffensis, F. Keeble and Dr. F. W. Gamble, 117; Increase in the Dry Weight of Green Plants in a Soil to which Amides have been added, Jules Lefèvre, 119; Juglone, M. Brissemoret and R. Combes, 119: Sterile Fruits Developed without the Intervention of the Male Element, Th. Solacolu, 143 Fragmenta Phytographiæ Australiæ occidentalis, L. Diels and E. Pritzel, 149; Linnean Society, 167, 214, 287, 381, 454, 503, 598; Embryology of the Amentiferæ, part ii., Carpinus Betulus, Dr. Margaret Benson, Miss E. Sanday, and Miss E. Berridge, 167; the Habits of Bees and the Colours of Flowers, Gaston Bonnier, 191: Biochemie der Pflanzen, Prof. Dr. Fr. Czapek, F. Escombe, 193; Corr., 341; Death and Obituary Notice of F. W. Burbidge, 204; Casuarina stricta in New South Wales, R. H. Cambage, 216; the Useful Plants of the Island of Guam, W. E. Safford, 221; New Water-plant in the Pitch Lake La Brea, J. H. Hart, 230; Welwitschia Mirabilis, Prof. H. H. W. Pearson, 238; the Araucarieæ, A. C. Seward, F.R.S., and Sibille O. Ford, 238; the Microsporangia of

the Pteridosperms, R. Kidston, F.R.S., 238; New Creations in Plant Life, an Authoritative Account of the Life and Work of Luther Burbank, W. S. Harwood, 242; Ascent of Sap in Trees, Frank Harris, 246; Insectivorous Water-plant from Trinidad, Sir W. T. ThiseltonDyer, K.C.M.G., F.R.S., 246; Hydrocyanic Principle of the Black Elder, L. Guignard, 262; Structure of Plants Developed in the Light, without Carbon Dioxide, and in Presence of Organic Materials, M. Molliard, 263; Nutrition of Green Plants by Amides in the Absence of Carbon Dioxide, Jules Lefèvre, 359; Mechanism of Carbon Assimilation in Green Plants, Francis L. Usher and J. H. Priestley, 525; the Uses of British Plants, Rev. Prof. G. Henslow, 270; Death and Obituary_Notice of Sir Mountstuart E. Grant-Duff, G.C.S.I., F.R.S., 274; Better Methods of Propagation of Mushrooms, Dr. B. M. Duggar, 276; the late Prof. Federico Delpino, M. Borzi, 277; Illustriertes Handbuch der Laubholzkunde, part iv., C. K. Schneider, 293; Survey of the Vegetation of the District South of Dublin, G. H. Pethyridge and R. L. Praeger, 303; Rusts on Acacia in Australia, D. McAlpine, 304; Rare Plants found in Scotland, J. G. Nicolson, 323; W. Young, 323; the Order Bombacaceæ, 323; the Statolith Theory of Geotropism, Prof. Schwendener, 349; the Oxlip, Prof. Errera, 374; the Waterlilies, a Monograph of the Genus Nymphæa, Henry S. Conrad, 379; Untersuchungen üb. d. Einwirkung Schwefliger Säure auf die Pflanzen, Prof. Dr. A. Wieler, F. Escombe, 385; the Generic Concept in the Classification of the Flowering Plants, Prof. B. L. Robinson; 405; Organography of Plants, Dr. K. Goebel, 412; Flowering and Seeding of Bamboos in Europe, 422; Indian Forest Fungi, Dr. E. J. Butler, 423; the Manila Elemi Plant, E. D. Merrill, 423; die Spaltöffnungsapparat im Lichte der Phylogenie, ein Beitrag zur phylogenetischen Pflanzenhistologie, Dr. Otto Porsch, 436; Botanische Jahrbücher, 437; Plants that Aid in the Formation of Alluvial Flats in the Valleys of Aconcagua and La Plata Rivers, Prof. G. F. Scott Elliot, 447; Lemon-scented Leptospermum, R. T. Baker and H. G. Smith, 456; Physiological Properties of West Indian Boxwood, Harvey Gibson, 474; Bean containing Hydrocyanic Acid, Phaseolus lunatus, L. Guignard, 479: Death and Obituary Notice of William Sowerby, 490; WebbiaRaccolta di Scritti Botanici publicati in occasione del 50° anniversario della Morti di Fillipo Barker Webb, 510; the Origin of Gymnosperms, Prof. F. W. Oliver, 542; E. A. N. Arber, 542; Prof. A. C. Seward, 542; a Newly Discovered Synangium, D. M. S. Watson, 542; Atlas of Japanese Vegetation, Dr. Augustine Henry, 557; Foliar Periodicity in Tropical Countries, H. Wright, 568; Action of some Alkaloids with Respect to Pollen Tubes, Henri Coupin, 576; British Flowering Plants, the Right Hon. Lord Avebury, 604; see also British Association Bouasse (M.), Elongation of Wires by Flexion, 277 Bouchard (Ch.), Action of Radium Emanation on Chromogenic Bacteria, 576


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Boucherot (M.), Parallel Running of Alternate Current Generators, 545

Bougault (J.), Use of Alcohol in the Preparation of Antimony Tartrate, 480

Boule (Marcellin), Annales de Paléontologie, publiees sous la direction de, 621

Boulenger (G. A., F.R.S.), Melanistic Form of the Walllizard, 189

Bouvier (E. L.), Observations on Gennadas, 551
Bowyer (Mr.), Measures of Double Stars, 208

Boys (C. V., F.R.S.), a Gas Calorimeter, Paper at Royal
Society, 354

Brackenbury (C. E.). British Progress in Gas Works' Plant and Machinery, 217

Brain-weights, the Biometrics of, 200

Braine (C. D. H.), on Irrigation in South Africa, 65
Brau (M.), Toxin and Antitoxin of Cholera, 528
Bréal (E.). Treatment of Seed with Copper Salts, 600
Breton (M.), Dangers of the Ingestion of Dead Tubercle
Bacilli into Tuberculous and Healthy Animals, 431;
Effects of the Absorption of Tuberculin by the Digestive
Tube, 503

Breuil (Father), Mural Paintings and Engravings of the
Pyrenean Caves, 354

Bridgett (R. C.), an Introduction to Algebra, Supp. to
November 30, viii

Brightwen (Mrs.), Quiet Hours with Nature, 4
Brill (Dr.), on the Origin of the " Tael, 42
Brissemoret (M.), Juglone, 119

Britain, the Mammals of Great, and Ireland, J. G. Millais,
Supp. to November 30, iii

British Association, Meeting of, in South Africa (Continued) Section C (Continued)—On the Classification of the Karroo Beds, Prof. R. Brown, 90; on the Stormberg Formation in Cape Colony, A. L. du Toit, 90; an Artesian Well in the Karroo, Prof. A. Young, 91; on Glacial Periods in South Africa, Mr. Rogers, 91; on Changes of Climate as shown by Variations of the Snow-line and Upper Tree-limit since Tertiary Times, Prof. A. Penck, 91; on the Continent of Africa in Relation to the Physical History of the Earth, Prof. Sollas, 91; on the Sculpture of Mountains by Glaciers, Prof. W. M. Davis, 91; on Baviaan's Kloof, a Contribution to the Study of Mountain Folds, E. H. L. Schwarz, 91; on the Rhodesian Banket, Prof. J. W. Gregory, 91; on the Indicators of the Goldfield of Ballarat, a Study in the Formation of Gold Pockets, Prof. J. W. Gregory, 91; on the Origin of Pegmatites as Products of the Crystallisation of the Residual Mother Liquors of a Solidified Plutonic Magma, Prof. R. Beck, 91; on the Magmatic Segregation of Sulphide Ores, Prof. A. P. Coleman, 91; on Marginal Phenomena of Granite Domes, Prof. Grenville A. J. Cole, 91; on the Zigzag Gorge of the Zambesi below the Victoria Falls, G. W. Lamplugh, 91-2, 111; Recent Work of the Geological Survey of the Transvaal, Mr. Kynaston, 92; an Instrument devised by Mr. Oehmen for Surveying Bore-holes, 92; on the Geology of Basutoland, Rev. S. S. Dornan, 92; on the Dolomite Formation, C. B. Horwood, 92; on the First Tertiary Rocks of Marine Origin discovered in South Africa, W. Anderson, 92; on the Evidences in the Transvaal of Glacial Conditions in Permo-Carboniferous Times, E. T. Mellor, 92; on the Diamond Pipes and Fissures of South Africa, H. S. Harger, 92; Geological Excursions,


Section D (Continued)-Recent Work on Gametogenesis and its Bearing on Theories of Heredity, L. Doncaster, 39; on Cases of Extensive Mortality among Marine Animals on the South African Coast, Dr. J. D. F. Gilchrist, 39; on Ostrich-farming, Hon. Arthur Douglass, 39; on the Origin of Mammals, Prof. Broom, 40; on some Early Stages in the Development of Peripatus, Dr. W. F. Purcell, 40; on the Migration of Birds in the Southern Hemisphere, W. L. Sclater, 40; on Locust Destruction in the Transvaal during the Season 1904-5, C. B. Simpson, 40; on Convergent Evolution as Illustrated by the Litopterna, Prof. W. B. Scott, 40; on the Origin of Vertebrates, Dr. W. H. Gaskell, F.R.S., 40; on the Growing Point of the Vertebrata, Prof. Cleland, F.R.S., 41; Insects as Carriers of Disease, A. E. Shipley, F.R.S., 235; Zoology at the British Association, Corr., Dr. S. F. Harmer, F.R.S., 125

Section E (Continued)-On the Outlines of the Physical
Geography of the Cape Colony, H. C. Schunke Holl-
way, 18; on the Physical Features of the Transvaal,
Tudor Trevor, 19; on the Climate of South Africa,
C. Stewart, 19; on the Indigenous Forests of South
Africa, Mr. Hutchins, 19; on the Geographical Cycle
in Arid Areas, Prof. Davis, 20
Section G (Continued)-On Colonial Dutch Architecture,
C. H. Smith, 64; on Steam Turbines as applied to
Ocean Liners, Prof. Biles, 64; on Roller Bearings,
Mr. How, 64; on Motor-cars in South Africa, A. T.
Hennessey, 64; on Cape Government Railways, Mr.
Tippett, 64 on Electrical Power Distribution for the
Rand, Mr. Hammond, 65; on South African Harbours,
C. W. Methven, 65; on Irrigation in South Africa,
C. D. H. Braine. 65; the Copper Deposits of Little
Namaqualand, J. H. Ronaldson, 66
Section H (Continued)-On the Totemism of the Bantu,
E. Sidney Hartland, 66; the Musical Instruments of
South Africa, Henry Balfour, 66; on Artificial De-
formation in Africa, Prof. von Luschan, 66; on the


Mental Characteristics of the Bechuana, Rev. Canon Crisp, 66; on the Art of the Bushman, W. A. Squire, 66; on the Basuto, A. E. Mabille, 67; on the Racial Affinities of the Hottentots, Prof. von Luschan, 67; the Rhodesian Ruins, Randall MacIver, 67

Section I (Continued)-Physiology at the British Association, J. Barcroft, 138; on the Effect of Climate on Health, Sir T. Lauder Brunton, F.R.S., 138; on the Prevalence of Tuberculosis in South Africa, Dr. Gregory, 138; Effect of High Altitudes upon Health, Prot. Bohr, 138; on the Heat Production in the Organs of Secretion and Excretion, Mr. Barcroft, 138; on the Diseases which have Devastated the Stock of South Africa, Mr. Hutcheon, 138; on Ticks as a Means of Transmission of Discase, Chas. P. Lounsbury, 138; on the Nature of Scurvy as it Exists in South Africa, Dr. Gregory, 138-9; Plague Epidemics in Cape Colony, Dr. Mitchell, 139; Leprosy in South Africa, Dr. R. S. Black, 139; Prof. Sims Woodhead, 139; Rinderpest and other Stock Diseases, Hon. George Turner, 139; Dr. Theiler, 139; on the Conditions of Native Labour in the Mines, Dr. Macaulay, 139; Dr. Irvine, 139; on the Means of Estimating the Percentage of Chloroform Vapour in Air by Means of the Densimeter, Prof. Waller, F.R.S., 139; on the View that the Comparatively Small Molecules into which the Food is Broken Down in the Intestine do not Exist in the Blood as Such, Dr. Pavy, F.R.S., 139; Evolution of the Present Knowledge of Immunity Artificially Acquired, Dr. M. Armand Ruffer, 139

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Section K (Continued)-On Recent Advances in Our Knowledge of Seaweeds, Prof. R. W. Phillips, 162-3; on some of the Problems of Heredity, R. P. Gregory, 163; on the Value of Botanical Photographs, Prof. F. E. Weiss, 163; on Educational Methods in the Teaching of Botany, Harold Wager, F.R.S., 163; A. C. Seward, F.R.S., 163; Prof. Douglas Campbell, 163; Methods of Teaching Botany in the James Allen School for Girls at Dulwich, Miss Lilian Clarke, 163: on the Floras of Tropical Africa, Prof. Engler, 163 on the Phyto-geographical Subdivisions of South Africa, Dr. Marloth, 163; on the Climate and Life Zones of the Transvaal, J. Burtt-Davy, 163; Irrigation Farming as carried on at the Orange River Farms at Baviaankrantz, F. B. Parkinson, 163; on the Dissipation_of Absorbed Solar Radiation by Xerophilous Plants, Dr. Horace T. Brown, F.R.S., 164; Investigations into the Development and Germination of the Spores of Welwitschia, Prof. H. H. W. Pearson, 164; on the Healing of Parenchymatous Tissues in Plants, Prof. M. C. Potter, 164; Infection Phenomena in the Uredineæ, I. B. P. Evans, 164; on the Action of Calcium Compounds on Plasmodiophora Brassicae, Dr. G. Potts, 164

Section L (Continued)-On the Development of Education in the Colony, Rev. W. E. C. Clarke, 41; on the Disabilities of the South African Schoolboy, W. W. Way, 41; Agricultural Education, F. B. Smith, 42; A. D. Hall, 42; on the Origin of the " Tael, Dr. Brill, 42

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British Association and Our Colonies, Prof. John Milne, F.R.S., 77; Prof. J. C. Beattie, 222

British Association, the Forthcoming Meeting of the, at
York, 564

British Birds Past and Present, Eggs of the Native Birds
of Britain and List of, W. J. Gordon, 387
British Colonies, a Historical Geography of the, the West
Indies, C. P. Lucas, C.B., 245

British Empire, Mining Law of the, Charles J. Alford,
Bennett H. Brough, 482

British Excavations in the Near East, 1904-5, 102 British Flowering Plants, the Right Hon. Lord Avebury, 604

British Islands, the Lepidoptera of the, a Descriptive Account of the Families, Genera, and Species Indigenous to Great Britain and Ireland, their Preparatory States, Habits, and Localities, Charles G. Barrett, 532 British Journal Photographic Almanac, the, and Photographer's Daily Companion for 1906, 221 British Mosses, E. F., 54

British Museum: Catalogue of the Collection of Birds'

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