June 9. 1904.

ABBE (ERNST), Gesammelte Abhandlungen, 497

Abbott (G. F.), Macedonian Folklore, 125

Abel (Dr. O.), Molars of Anthropoids from the Leithakalk, 36

Abraham (Henri), Recueil d'Expériences élémentaires de Physique, 391

Absorption in the Solar Atmosphere, Frank W. Very, 543 Absorption of Star-Light by a Comet's Tail, Dr. Max Wolf, 589

Abysmal Deposits, H. Robson, 297

Accommodation of Scottish Scientific Societies, 105, 324 Acetylene its Generation and Use, F. H. Leeds and W. J. A. Butterfield, 122

Ackroyd (W.), Colour Changes brought about by Radium Rays, 113; the Source of the Energy of Radium Compounds, 295; the Cause of the Saltness of the Dead Sea, 395

Acland (H. D.), a New Cave on the Eastern Side of Gibraltar, 119

Acoustics: the Emission of Musical Notes by the Hover-
flies of the Genus Eristalis, W. H. Harris, 158; Influence
of a Magnetic Field on a Tuning Fork, O. Kirstein, 158;
a Method of Mechanically Reinforcing Sounds, Rev. T. C.
Porter, 164; the Artificial Development of Hearing in
Deaf Mute Subjects, Dr. Marage, 205; on the Production
of the n-Rays by Sound Vibrations, J. Macé de Lépinay,
287; Pulse and Rhythm, Mary Hallock-Greenewalt, 470
Actinic Quality of Sky-Light, Gavin J. Burns, 330
Adams (Dr. Cooke), Cancer in Australia, 541
Adams (Prof.), Determination of Standard Stellar Velocities,
113; Radial Velocities of Twenty Orion Stars, 446
Addresses, Essays and, 1900-1903, Rt. Hon. Lord Avebury,
481

Eolids, the Nematocysts of, G. H. Grosvenor, 238
Aeria! Tubers on the Potato, W. Traylen, 465; M. T. M.,
465
Aeronautics: Lebaudy Balloon Ascent on November 12,
1903, 61; Meteorological Observations with Kites at Sea,
A. L. Rotch, 65; Balloons Containing a Subsidiary Air
Balloon according to the Theory of General Meusnier,
Henry de la Vaulx, 72; another Trial of the Steerable
Balloon Le Jaune, 88; Scientific Balloon Ascents, 89; on
the Possibility of Sustaining in the Air an Apparatus
Employing a Helix, using an Internal Combustion Motor,
Charles Renard, 119; International Balloon Ascents on
November 5 and December 3, 1903, 328; First Successful
Achievement of Artificial Flight, Orville and Wilbur
Wright, 376; the Longitudinal Stability of Aërial Gliders,
G. H. Bryan, F.R.S., and W. E. Williams, 406
Ether and Gravitation, W. G. Hooper, 509

Affenspalte" in Human Brains, the, Dr. W. L. H. Duck-
worth, 104

Africa: Game Protection Association of Western South Africa, 63; Biological Work in South Africa, 91; Spawn of Food Fishes and Trawling, Dr. Gilchrist, 91; the South African Sheep and Goat Disease, "Heartwater," C. P. Lounsbury, 91; the Flora of the Uitenhage, A. C. Seward, 91; Flowering Plants and Ferns of the Cape Peninsula, Dr. Bolas and Major Wolley-Dod, 136; Wild Garlic a Cure for Goat-Tick, 163; New Regulations for Preventing the Importation of Plant Pests in Cape Colony, 163; Agriculture in the Transvaal and Farming Problems, F. B. Smith, 184; Recent Geological Observations in Cape Colony, 229; the Transvaal Technical Institute, John Robinson, 271; Big Game Shooting and Travel in SouthEast Africa, F. R. N. Findlay, Sir H. H. Johnston, G.C.M.G., K.C.B., 313; South African Flowering Plants, Prof. G. Henslow, 460; University Education in South

Africa, Prof. Hele-Shaw, F.R.S., 544; a Search for the Masked Tawareks, W. J. Harding King, 152; the Advance of Our West African Empire, C. Braithwaite Wallis, 153; Sleeping Sickness, Dr. J. W. W. Stephens, 345; Medusæ in Lake Victoria Nyanza, 348; J. E. S. Moore, 365; African Trypanosome, Pathogenic for Horses, A. Laveran and F. Mesnil, 528; Geological Constitution of the Massif of Khakhadian (Soudan), H. Arsandaux, 576; Geology of Baharia Oasis, Dr. John Ball and H. J. L. Beadnell, 618 Agriculture Agriculture for Beginners, C. W. Burkett, F. L. Stevens and D. H. Hill, 54; the Chemistry of the Soil as Related to Crop Production, M. Whitney and F. K. Cameron, 58; the Cotton Worm, 112; the Cultivation of Seedling and other Canes at Barbados, 112; Agricultural Notes, 162; the Effects of Grass on Apple Trees, the Duke of Bedford and Spencer Pickering, F.R.S., 162; the Sources of Nitrogen to Plants, MM. Laurent and Marchal, 162; Wild Garlic a Cure for GoatTick, 163; New Regulations for Preventing the Importation of Plant Pests in Cape Colony, 163; Farming, W. M. Tod, 172; Continental State Aid for Agriculture, T. S. Dymond, 181; Annual Report on the Distribution of Grants for Agriculture and Research in the Year 1902-3, 181; Agriculture in the Transvaal and Farming Problems, F. B. Smith, 184; Malessere Agrario ed Alimentare in Italia, Italo Giglioli, 222; Codling-moth and Damage Inflicted by its Caterpillar, C. B. Simpson, 232; Soil and Water of the Wadi Tumilat Lands, A. Lucas, 258; Variation in Oat Hybrids, John H. Wilson, 413; Cotton-growing in our Colonial Possessions, 423; Insects Attacking Corn-stalks, F. M. Webster, 494; Insect Enemies of the Sugar-beet, F. H. Chittenden, 494; Agricultural Education and Research in India, 564; the Care of Animals, N. S. Mayo, 605

Air, Buys Ballot's Law and Trajectories of, Dr. Shaw, 303 Air Calorimetry, Instruments used in Testing of Electric Generators by, Prof. R. Threlfall, 118

Air, Ionisation of, Norman N. Campbell, 511; Prof. A. Schuster, F.R.S., 599

Aitken (Dr. A. P.), Death of, 586

Aitken (Prof. R. G.), Catalogue of New Double Stars, 425 Albrecht (Sebastian), Photographic Observations of Borrelly's Comet (1903 c), 568

Alcock (Dr. R. H.), Rapidity of Nervous Impulse in Tall and Short Individuals, 118

Alcohol and Physiology, Prof. Buel P. Colton, Prof. Benjamin Moore, 267

Algebra: Junior Algebra Examination Papers, S. W. Finn, 28; Graphs, or the Graphical Representation of Algebraic Functions, C. H. French and G. Osborn, 363

Alkali and Chlorine Industry, the, E. Sorel, C. Simmonds,

242

Alkaline Metals, the Line Spectra of the, H. Konen and A. Hagenbach, 137

Allcock (C. H.), Theoretical Geometry for Beginners, 146, 434

Allègre (Messrs. Lucien, and Co.), the "Luna" Printingout Paper, 397

Allen (Dr. E. J.), the British Government and Marine
Biology, 463

Allen (Dr. G. E.), Magnetism of Basalt and the Magnetic
Behaviour of Basaltic Bars when Heated in Air, 23
Allen (H. S.), Radio-active Gas in Mineral Springs, 247
Alliot (Henri), Action of Oxidising Agents on the Purity
of Industrial Fermentations, 600

Allotropic School, Metallography of the, Floris Osmond,
Prof. J. O. Arnold, 553

Alpenflora, Geschichte und Herkunft der schweizerischen,
M. C. Jerosch, 340

Aluminium, Plating upon, C. F. Burgess and Carl Ham-
buschen, 622

Amar (M.), Rôle of Calcium Oxalate in the Nutrition of
Plants, 240

Ambidexterity, Prof. T. D. A. Cockerell, 317
Ameghino (F.), Los Diprotodontes del ordren des los
Plagiaulacoideos y el Origen de los Roedores y de los
Polymastodontes, 137

America Mineral Resources of the United States, 2;
American Railways, Edwin A. Pratt, 52; the United
States Geological Survey, 115; Asphalt and Bituminous
Rock Deposits of the United States, G. H. Eldridge, 115;
Ore Deposits of the United States, 115; the Carboniferous
Ammonoids of America, James Perrin Smith, 115; the
Mesabi Iron-bearing District of Minnesota, Charles K.
Leith, 116; North American Geologic Formation Names,
Mr. Weeks, 116; Indians of the South-west, George A.
Dorsey, 197; Water Supply and Irrigation in the United
States, 226; American Tropical Laboratory, N. L. Britton,
247; Annual Meeting of the American Association for the
Advancement of Science, 402; Scientific Investigation and
Progress, Prof. Ira Remsen at the, 306; the Relation of
Mathematics to Engineering, Prof. C. A. Waldo at the,
500; Geographic Influences in American History, Albert
Perry Brigham, Prof. Grenville A. J. Cole, 315; Biologia
Centrali-Americana, or Contributions to the Knowledge
of the Fauna and Flora of Mexico and Central America,
338; Archæology, A. P. Maudsley, 338

Amphoteric Electrolytes, Theory of, Prof. James Walker,
F.R.S., at the Royal Society, 545

Anæsthesia, Chloroform, Dr. A. D. Waller, F.R.S., 572
Anæsthetics, Action of, on Plants, 440
Anatomy Cranial Casts, Prof. G. Elliot Smith, 7; Prof.
J. Symington, F.R.S., 8; Studies in Physiology, Anatomy
and Hygiene, J. E. Peabody, 54; the Affenspalte" in
Human Brains, Dr. W. L. H. Duckworth, 104

Ancel (P.), Action of the Interstitial Gland of the Testicle
on the Economy, 287

Anderson (H. K.), the Sensation of Light Produced by
Radium Rays and its Relation to the Visual Purple, 94;
Effects of Joining the Cervical Sympathetic Nerve with
the Chorda Tympani, 406

André (Eugène), a Naturalist in the Guianas, 513
Andrews (E. C.), Physical Geography of the Blue Moun-
tains and the Sydney District, 168

Angiosperms, Morphology of, J. M. Coulter and C. J.
Chamberlain, 361

Animal Life, the Chemistry of Plant and, Prof. H. Snyder,
533

Animal Life, Destructive Action of Rain upon, W. Ruskin
Butterfield, 296

Animal Life, Plant Disease and its Relation to, E. F.
Wright, I

Animals the Natural History of, J. R. A. Davis, 11;
Radium and, E. C. Willcock, 55; Winter Whitening of,
Captain Barrett Hamilton at the Royal Irish Academy,
116; Animals of no Importance, D. Dewar, 172; Animal
Studies, a Text-book of Elementary Zoology for Use in
High Schools and Colleges, David Starr Jordan, V. L.
Kellogg, and Harold Heath, 220; Junior Country Reader,
I., True Animal Stories, H. B. M. Buchanan and
R. R. C. Gregory, 317; the Direction of Hair in Animals
and Man, W. Kidd, 459; Some Indian Friends and
Acquaintances: a Study of the Ways of Birds and other
Animals Frequenting Indian Streets and Gardens, Lieut.-
Colonel Cunningham, F.R.S., 433; Humanising the
Animals, J. Burroughs, 495; the Care of, N. S. Mayo,
605

Annandale (Nelson), the Gordiidæ in Folk Lore, 393;
Fasciculi Malayenses, 530

Annular Eclipse, the Computation of Elements for an, Herr
Zwack, 568

Antarctica: Return of the Nordenskjöld Antarctic Expedi-
tion, 87, 255; Telegram from Scottish Antarctic Expedi-
tion, W. S. Bruce, 182; the Antarctic Expeditions, 393;
Return of the National Antarctic Expedition, 543; the
German Antarctic Expedition, Dr. Erich von Drygalski
at the Royal Geographical Society, 620

Anthrax Resistance to Heat of B. anthracis, A. Mallock,

F.R.S., and Lieut.-Colonel A. M. Davies, 238; New Dis-
covery, J. A. Gilruth, 256

Anthropology: Cranial Casts, Prof. G. Elliot Smith, 7:
Round
Prof. J. Symington, F.R.S., 8; Skulls from
Barrows in East Yorkshire, Dr. William Wright,__167;
Anthropological Institute, 71, 167, 454; Death of Baron
de Ujfalvy, 348

Anti-Vivisectionists, Medical Science and the, Si
Antiquities of the Bronze Age, a Guide to the, in the Depart-
ment of British and Mediæval Antiquities, British
Museum, 605

Antoniadi (E. M.), the "Doubling" of the Martian Canals,
85

Aplin (O. V.), Turner on Birds, a Short and Succinct
History of the Principal Birds Noticed by Pliny and
Aristotle, 73; Among the Waterfowl, Herbert K. Job,
73; Nature Biographies, Clarence Moores Weed, 73; the
Brook Book, Mary Rogers Miller, 73; the Waterfowl
Family, L. C. Stanford, L. B. Bishop and T. S. Van
Dyke, 73; Handbook of Nature Study, D. Lange, 73;
Bird Life in Wild Wales, J. A. Walpole-Bond, 272
Apple Trees, the Effects of Grass on, the Duke of Bedford
and Spencer Pickering, F.R.S., 162

Apples: Codling-moth and Damage Inflicted by its Cater-
pillar, C. B. Simpson, 232

Apps (A.), the Charpentier-Gaiffe Platinum Interrupter, 518
n Aquila, New Elements for, M. Luizet, 113
"Arabian Nights, ," Birds of Paradise in the, Dr. A. R.
Wallace, 617

Arber (E. A. Newell), on Homœomorphy among Fossil
Plants, 19

Arcadian Calendar, the, E. D. Cumming and J. A. Shep-
herd, 364

Archæology: Death of J. A. Brown, 12; Hyksos-Hittites,
29; Certain Aboriginal Remains of the North-West
Florida Coast, Clarence B. Moore, 45; Bronze Relics
Found in Lulworth Castle Estate, 182; Death of Dr. Felix
Kanitz, 255; the First of Empires, W. St. Chad Boscawen,
337 Archæology, A. P. Maudsley, 338; Death and
Obituary Notice of Dr. A. S. Murray, 442; Vacation Days
in Greece, Rufus B. Richardson, 483; a Probable Palæo-
lithic Floor at Prah Sands, Mr. and Mrs. Clement Reid,
495; Prehistoric Pile-structures in Pits, L. M. Mann,
541; a Guide to the Antiquities of the Bronze Age in the
Department of British and Medieval Antiquities, British
Museum, 605

Archibald (Douglas), Variation of the Rainfall over the
London Area from the Year 1813, 63; Variation of Rain-
fall over London Area, 88

Architects, the Institution of Naval, 521
Architecture : Notes on the Orientations and Certain
Architectural Details of the Old Churches of Dalkey
Town and Dalkey Island, Dublin, Prof. Jos. P. O'Reilly,

140

Arcimis (Prof. Augusto), Telegraphic Disturbances in Spain
on October 31, 1903, 29

Arctic Fox (Canis lagopus), Note on the, W. F. Lanchester,
55

Arctica Four Years' Arctic Exploration, 1898-1902, Com-
mander Peary, 34; Return of Lieut. Kolchak's Expedi-
tion, 302; State of the Ice in the Arctic Seas during
1903, 469

Ardissone (Prof.), the Conjectured New Androsace in the
Valle Anzasca, 422

Argentine Republic, Climate of the, Walter G. Davis, 230
Aristotelian Society, Proceedings of the, 482
Arithmetic Arithmetical Types and Examples, W. G.
Borchardt, 54; Arithmetic, H. G. Willis, 54; the School
Arithmetic being a School Course Adapted from the
Tutorial Arithmetic, W. P. Workman, 411; Arithmetical
Examples, W. G. Borchardt, 436; Worked Problems in
Higher Arithmetic, W. P. Workman and R. H. Chope,
486
Armstrong (Prof. H. E., F.R.S.), on the Teaching of
Science in Elementary Schools, 21; on the Influence of
Examinations on School Curricula and of Schools on
University Requirements, 21; the Teaching of Scientific
Method and other Papers on Education, 289; Chalk-stuff
Gas, 412

Army, Science and the, 85

Arnold Electropneumatic System of Traction, 565

June 9, 1904.

Arnold (Prof. J. O.), Hardening, Tempering, Annealing
and Forging of Steel, Joseph V. Woodworth, 124; Micro-
scopic Analysis of Metals, Floris Osmond, 553
Arnold (Ralph), Palæontology and Stratigraphy of the
Marine Pliocene and Pleistocene of San Pedro, Cali-
fornia, 266

Arrow (G. J.), a Remarkable Kind of Variability in Beetles
of the Trogid Genus Acanthocerus, 165
Arsandaux (H.), Geological Constitution of the Massif of
Khakhadian, 576

Arsonval (M. d'), New Electrical Device for Extinguishing
the High Frequency Arc, 383; Protective Arrangements
for Electrical Machines Supplying High Frequency
Generators, 383

Ashford (C. E.), Electricity and Magnetism, 243
Ashmolean Natural History Society of Oxfordshire Oxford
and Science, Prof. John Perry, F.R.S., 207, 269
Ashworth (J. B.), y Rays from Radium, 295
Asia and Tibet, Central, Sven Hedin, 225

Assaying, Metallurgical Analysis and, W. A. Macleod and
Charles Walker, 459

Assyriology: the Devils and Evil Spirits of Babylonia,
R. C. Thompson, 26

Astronomy: Astronomischer Jahresbericht, Walter F.
Wislicenus, 4; Solar and Magnetic Disturbances, Dr.
Charles Chree, F.R.S., 6; Prof. A. Fowler, 6; Magnetic
Storms, Aurora and Solar Phenomena, Dr. William J. S.
Lockyer, 9; Magnetic Disturbances and Sun-spots,
F. Quénisset, 72; Solar Phenomena and Magnetic
Storms, M. Quénisset, 90; Correspondence of Magnetic
Storms with Solar Prominences, Dr. Lockyer, 95; the
Relationship between Sun-spot Frequency and Terrestrial
Magnetism, C. Chree, F.R.S., 525; the New Star in
Gemini, Prof. H. H. Turner, 13; Was the New Star in
Gemini Shining Previously as a very Faint Star? Prof.
H. H. Turner, 43; the Formation of the Polar Caps on
Mars, Percival Lowell, 16; Clouds on Mars, Mr. Denning,

160; the " Doubling of the Martian Canals, E. M.

Antoniadi, 185; Variations of the Martian Canals, Mr.
Lowell, 496; the Certainty of a Future Life in Mars,
Bradford Torrey Dodd, 221; Observed Changes on the
Surface of Mars, Mr. Lowell, 399; Observations of Mars
during 1903, W. F. Denning, 377; our Astronomical
Column, 16, 37, 65, 90, 113, 137, 160, 185, 207, 233, 259,
281, 305, 330, 350, 377, 399, 424, 446, 473, 496, 520,
542, 568, 589, 620; Wolf's Variable Star 59, 1903, Cygni,
Prof. Pickering, 16; Prof. Wirtz, 16; Periodical Changes
in the Colours of Jupiter's Belts, Stanley Williams, 16;
Observations of Jupiter, Ch. Lukacs, 90; Observations
of the Planet Jupiter, W. F. Denning, 281, 476; the
Multiple Tail of Comet 1903 c, Prof. Barnard, 16; Absorp-
tion of Star Light by Comet 1903 c, Prof. Max Wolf, 114;
the November Leonid Shower of 1903, 29, 521; W. F.
Denning, 29, 57, 446; John R. Henry, 80, 224; Alphonso
King, 105; M. Fiévez, 446; M. Terby, 446; the Late
Leonid Meteor Shower, W. H. Milligan, 127; William
E. Rolston, 127; Radiant Point of the, 331; Observ-
ations of Leonids and Bielids at Athens, M. Eginitis, 186;
Revision of Rowland's Wave-lengths, Prof. Hartmann,
37; Parallax of 8 Cassiopeiæ, S. Kóstinksky, 38;
Astronomy in Schools, W. W. Payne, 38; Bright Meteors,
65; a Bright Meteor, Rowland Mott, 543; Search-
ephemeris for Faye's Comet, E. Strömgren, 65;
the Secular Variation of Starlight, J. E. Gore, 65; Solar
Observations at Lyons Observatory during 1902, J.
Guillaume, 65; Astronomy for Everybody, a Popular Ex-
position of the Wonders of the Heavens, Prof. Simon
Newcomb, 75; the Forms of the Ring and Dumb-bell
Nebulas, Prof. J. M. Schaeberle, 91; Royal Astronomical
Society, 95, 190, 286, 503, 575; Method of Photograph-
ing the Moon with the Surrounding Stars, Prof. Turner,
95; Radiant Energy, a Working Power in the Mechanism
of the Universe, R. W. O. Kestel, 101; Astronomical
Occurrences in December, 1903, 113; in January, 1904,
207; in February, 305; in March, 424; in April, 520;
in May, 620; Determination of Standard Stellar Veloci-
ties, Prof. Frost and Prof. Adams, 113; New Elements for
n Aquila, M. Luizet, 113; Publications of the Pulkowa
Observatory, M. Nyren, 114; Guide for Astronomical and
Geodetical Calculations, J. Boccardi, 114; Observations
of Solar Phenomena, M. Deslandres, 137; the Spectrum

of Lightning, Philip Fox, 137; Dr. W. J. S. Lockyer,
137; the Line Spectra of the Alkaline Metals, H. Konen
and A. Hagenbach, 137; the Total Solar Eclipse of May,
1900, 160; Radial Velocities of B Auriga, G. A. Tikhoff,
185; the Variable Star 1921, W Auriga, J. A. Parkhurst,
234; Light changes of Auriga, H. Ludendorff, 305;
Relative Star Density on Harvard Photographic Star
Map, J. C. W. Herschel, 190; the January Meteors,
W. F. Denning, 203; Ephemeris for Winnecke's Comet,
207; Spectrum of Mira Ceti, Joel Stebbins, 207; the
Companion to the Observatory, 1904, 207; Astronomical
Calendars for 1904, 233; Light Economy in Spectrum
Photography, J. A. Humphreys, 234; Intensity of the
Sun's Light, Ch. Fabry, 234; the Luminous Intensity
of the Star Vega, Charles Fabry, 239; on the Origin of
Spiral Nebulas, Prof. J. M. Schaeberle, 248; Distribution
of the Stars, 259; Report of the Windsor, N.S.W.,
Observatory, Mr. Tebbutt, 259; a French-Chinese
Calendar, 259; a Bright Bolide, W. E. Rolston, 259;
Diminishing Size of the New Bishop's Ring around the
Sun, Henry Helm Clayton, 270; the Quadrantid Meteor
Shower of 1904, John R. Henry, 272; Intensity of Atmo-
spheric Lines in the Solar Spectrum, 281; Meridian Circle
Observations of Eros and Nova Persei, John A. Dunne,
282; Observed Motions in the Nova Persei Nebula, Prof.
J. M. Schaeberle, 321; Nebulosity around Nova Persei,
Otto Luyties, 589; Periodical Comets Due this Year,
W. T. Lynn, 282; Variability of the Minor Planet Iris,
Prof. Wendell, 305; Ephemeris for the Minor Planet (7)
Iris, Dr. J. Riem, 377; Harvard Meridian Photometer
Observations, Prof. Solon I. Bailey, 305; Fireballs in
January, W. F. Denning, 310; Fireballs Visible in the
Spring Months, W. F. Denning, 571; Guide du Calcu-
lateur, J. Boccardi, 316; Death and Obituary Notice of
Anna Winlock, 327; Peculiar Forms of Comets' Tails,
Prof. E. E. Barnard, 330; Actinic Quality of Sky-light,
Gavin J. Burns, 330; the United States Naval Observ-
atory, Captain C. M. Chester, 330; Coloured Haze around
the Moon, Angus Rankin, 344; Comparison-star Photo-
graphs for Minor Planets, &c., Prof. Max Wolf, 331;
Report of the Harvard College Observatory, Prof. E. C.
Pickering, 350; the Direct and Retrograde Rotations of
the Planets, Prof. W. H. Pickering, 351; the "Invariable
Plane of the Planetary System, Prof. T. J. J. See,
351; Simultaneous Solar and Terrestrial Changes, Sir
J. Norman Lockyer, K.C.B., F.R.S., 351; Diminution
in the Intensity of the Solar Radiation during the Years
1902 and 1903, Ladislas Gorczynski, 359; a Catalogue
of 829 South Polar Stars, Prof. Harold Jacoby, 377;
the Climatology of 1903, J. Loisel, 378; Meridian-circle
Observations at the Lick Observatory, Richard H.
Tucker, 378; Man's Place in the Universe, Alfred R.
Wallace, F.R.S., 389; Death of Prof. Callandreau, 396;
Obituary Notice of, 441; the Geographical Distribution
of Meteorites, Dr. O. C. Farrington, 399; an Atlas of
Solar Photographs, Prof. Janssen, 399; Death of Henry
Perrotin, 421; Obituary Notice of, 468; Variability of
Minor Planets, Prof. Pickering and Prof. Wendell, 424;
Observations of Venus during 1903, Percival Lowell, 424;
Catalogue of New Double Stars, Prof. R. G. Aitken, 425;
Double Star Observations, Prof. Doberck, 473; Prof.
Burnham's Measures of Double Stars, 496; Radial
Velocities of Twenty Orion Stars, Messrs. Frost and
Adams, 446; Catalogue of Long-period Variable Stars,
Prof. Pickering, 446; the Distribution of Lines in Banded
Spectra, M. Deslandres, 446; Sun-spot Variation in Lati-
tude, 1861-1902, Dr. William J. S. Lockyer, 447; Sun-
spots and Temperature, Alex. B. MacDowall, 607; Rapid
Changes in a Sun-spot, Mr. Denning, 568; a Six Year
Period for the Polar Motion, H. Kimura, 473; Correc-
tions to the Berliner Jahrbuch Fundamental Catalogue,
Dr. A. Auwers, 473; Cooperation in Solar Observations,
Prof. Ricco, 473; Origin of Aurora, Ch. Nordmann,
497; Astronomical Determination of Latitude and
Azimuth, Prof. V. Reina, 497; Standard Velocity Stars,
M. A. Belopolsky, 521; a New Form of Equatorial
Mounting, Herr A. F. Lindemann, 521; Stars and
Sextants, Messrs. Sprigge, Doak, Hudson and Cox,
Commander Vansittart Howard, 532; Observations of
Eros, Prof. E. E. Barnard, 542; Orbit of the Minor
Planet Chicago (334), Prof. Kurt Laves, 542; Absorption

in the Solar Atmosphere, Frank W. Very, 543; Wave-
length of the Green Cadmium Line, Ch. Fabry, 543;
Spectra of Mixed Gases, P. G. Nutting, 543; the Green-
wich Section of the Astrographic Catalogue, Mr. Christie,
568; the Computation of Elements for an Annular Eclipse,
Herr Zwack, 568; Photographic Observations of
Borrelly's Comet (1903 c), Sebastian Albrecht, 568; Re-
turn of Brooks's Comet, Prof. Kobold, 589; Absorption
of Star-light by a Comet's Tail, Dr. Max Wolf, 589;
the Spectra of Novæ, H. Ebert, 589; Stellar Distribution,
J. E. Gore, 589; a New Epoch in Solar Physics, Dr.
William J. S. Lockyer, 608; Stars having Peculiar
Spectra, Prof. Pickering, 620; Spectra Obtained from the
Wehnelt Interrupter Discharge, H. W. Morse, 620;
Variable Stars of the Orion Nebula, Prof. Ernst Hartwig,
620; Comet 1904 a, Prof. Pickering, 620; Elements and
Ephemeris for Wolf's Comet (1884 III.), A. Berberich,
620; see also British Association

Asymmetric Compound, a Directed Synthesis of an, 401
Asymmetric Synthesis, Dr. J. B. Cohen and T. S. Patter-
son, 438

Athens, Observations of Leonids and Bielids at, M. Eginitis,
186

Atlas of Solar Photographs, an, Prof. Janssen, 399
Atmospheres, Escape of Gases from, Dr. G. Johnstone
Stoney, F.R.S., 247; S. R. Cook, 487

Atmospheric Absorption, Variation of, Prof. S. P. Langley,
5; J. Talbot, 30

Atmospheric Absorption, Volcanic Dust, the

New Bishop's

Ring and, T. W. Backhouse, 81
Atmospheric Absorption and Emission of the Extreme Ultra-
violet Radiations, Dr. Victor Schumann, 262

Atmospheric Air, the Ionisation of, Messrs. Elster and
Geitel, 154; Herr Himstedt, 154; Prof. H. Ebert, 154;
Prof. J. A. McClelland, 155

Atmospheric Circulation, the Unusual Sky Colours and the,
Dr. A. Lawrence Rotch, 173

Atmospheric Electricity, Sir Oliver Lodge, F.R.S., 294;
a Theory of the Cause of, George Simpson, 270
Atmospheric Lines in the Solar Spectrum, Intensity of, 281
Atmospheric Tides, W. Krebs, 597

Atoll of Funafuti, the, Report of the Coral Reef Committee
of the Royal Society, 582

Atomic Weight of Radium, the, William Sutherland, 606
Atoms and the Æther, Victor Grünberg, 171

Auger (V.), the Systematic Alkylation of Arsenic, 143
B Auriga, Radial Velocities of, G. A. Tikhoff, 185
Auriga, the Variable Star 1921, W, J. A. Parkhurst, 234
Auriga, Light Changes of, H. Ludendorff, 305
Aurora Observed at Calgary, Canada, 158
Aurora, Origin of, Ch. Nordmann, 497

Aurora and Solar Phenomena, Magnetic Storms, Dr.
William J. S. Lockyer, 9

Austen (E. E.), a Monograph of the Tsetse Flies (Genus
Glossina, Westwood), Based on the Collection in the
British Museum, 123

Australasian Association, the Dunedin Meeting of the, 449
Australasian Science, the Aims and Ideals of, Prof. T. W. E.
David, F.R.S., 449

Australia: Origin of the Australian Marsupials, Dr.
Bensley, 284; Cancer in Australia, Dr. Cooke Adams,
541
Austria, Prehistoric Studies in, Julius Teutsch, 277; Dr.
Moriz Hoernes, 278

Austrian Geological Survey, 261

Automobiles, the Edison Accumulator for, W. Hibbert at
the Institution of Electrical Engineers, 114
Autophyllogeny in the Vine (Vitis), Herbert Campion, 57
Autumn Tints, Leaf Decay and, Dr. P. Q. Keegan, 30
Auwers (Dr. A.), Corrections to the Berliner Jahrbuch
Fundamental Catalogue, 473

Avalanches, Observations of Glaciers and, M. Paul
Girardin, 299; M. Charles Rabot, 299

Avebury (Right Hon. Lord), Essays and Addresses, 1900-
1903, 481

Avogadro (Amedeo), und die Molekular Theorie, Icilio
Guareschi, 558

Azimuth, Astronomical Determination of Latitude and,
Prof. V. Reina, 497

Azimuth Balance, a Quadrifilar, V. Crémieu, 599

Babylonia, the Devils and Evil Spirits of, R. C. Thompson,

26

Babylonia, Early Civilisation in, W. St. Chad Boscawen, 337
Backhouse (T. W.), the Sky-coloured Clouds, 315
Volcanic Dust, the New Bishop's Ring " and Atmo-
spheric Absorption, 81; Subjective Colours, 489
Bacot (A.), Long Bred Series of Triphaena comes, 526
Bacteriology Bacteria in Milk and its Products, Prof.
H. W. Conn, Prof. R. T. Hewlett, 28; Relation of
Temperature to the Keeping Property of Milk, H. W.
Conn, 303; Action of Radium on Bacteria, Dr. Henry
H. Dixon and J. T. Wigham, 81; Elementary Bacteri-
ology, M. L. Dhingra, Prof. R. T. Hewlett, 102; the
Fluids of the Blood in Connection with Phagocytosis,
Dr. A. E. Wright and Captain S. R. Douglas, III;
Bacterial Cell Possesses a Nucleus, Prof. Rayman and
Prof. Kruis, 136; Intra-cellular Bacterial Toxins, Dr.
Allan Macfadyen, 134; the Slime of Dematium pullulans,
Dr. R. Greig Smith, 168; the Gum and By-products of
Bacterium sacchari, Dr. R. Greig Smith, 168; Bacterio-
logical Methods in Sanitary Water Analysis, C. E. A.
Winslow and C. P. Nibecker, 232; Resistance to Heat
of B. anthracis, A. Mallock, F.R.S., and Lieut.-Colonel
A. M. Davies, 238; the "Fish Hypothesis" and
Transmission of Leprosy, Jonathan Hutchinson, F.R.S.,
395; Prof. R. T. Hewlett, 395; Dr. John Knott, 442;
Vegetable Gums, Dr. Greig Smith, 450; Production of
Acetylmethylcarbinol by Bacteria of the Group Bacillus
mesentericus, Henri Desmots, 455; Chemical Constitu-
tion of the Tubercle Bacillus, Dr. Bulloch and Mr.
Macleod, 470-471; Distribution of Bacillus coli com-
munis, Bacillus enteritidis sporogenes, and Streptococci
in Shell-fish, Sand and Sea-water from Irish Littoral,
Prof. E. J. McWeeney, 455; Recent Discoveries in
Bacteriology,
Untersuchungen über Sarcina
522;
Streptoccus und Spirillum, 522; Der Nachweis der
Geisseln bei allen Coccaceen, 522; on the Discovery of
Cilia in the Genus Bacterium, David Ellis, 522; Rabies,
its Place among Germ-diseases and its Origin in the
Animal Kingdom, David Sime, 602

the

Badger, the Gestation of the, A. H. Cocks, 232, 541
Bagard (H.), Magnetic Rotation of Plane of Polarisation
of the n-Rays, 455: Natural Rotary Power of Certain
Bodies for the n-Rays, 503

Bailey (Prof. Solon I.), Harvard Meridian Photometer
Observations, 305

Baily (Prof. F. G.), the New Osmium Lamps, 397

Bain (Franciscus Gulielmus), De Vi Physicâ et Imbecilli-
tate Darwinianâ disputavit, 558

Baker (C. F.), the Communication of Diseases to Human
Beings by Fleas, 472

Baker (Dr. H. F.), on the Weddle Quartic Surface, 71
Baker (R. T.), New Species of Callitris from New South
Wales, 168

Baker (W. M.), Elementary Graphs, 146

Balance, a Quadrifilar Azimuth, V. Crémieu, 599
Ball (Henry), on the Vegetation of the Sand Hills, 18
Ball (Dr. John), Geology of Baharia Oasis, 618
Ballooning: Another Trial of the Steerable Balloon Le
Jaune, 88

Barbados, the Cultivation of Seedling and other Canes at,

112

Barclay (James W.), a New Theory of Organic Evolution,
316

Barger (G.), Microscopic Method of Determining Molecular
Weights, 334

Barker (B. T. P.), on the Ascocarp in Ryparobius, 19
Barkla (Charles G.), Polarisation in Röntgen Rays, 463;
Energy of Secondary Röntgen Radiation, 551
Barlow (W.), Connection between the Atom Arrangements
of the Crystals of Certain Allied Carbon Compounds, 575
Barnard (Prof. E. E.), the Multiple Tail of Comet 1903 c,
16; Peculiar Forms of Comets' Tails, 330; Observations
of Eros, 542

Barnard (S.), a New Geometry for Schools, 97; a New
Geometry for Junior Forms, 391

Barnes (Rev. E. W.), Functions Generated by Linear
Difference Equations of the First Order, 599

Barnes (Prof. H. T.), Heating Effect of the Radium Eman-
ation, 126