Nature

Lamp (Herr), Periodical Variation in Earth's Axis caused by
Periodical Transference of Ocean Water-Masses, 520
Lamp-lighter, an Automatic, Shelford Bidwell, F.R.S., 395
Lamplugh (G. W.), Flamborough Head Drifts, 550
Lancashire, Technical Education in, 326

Lancaster (A.), Cold Winters generally followed by Cold Sum-
mers, 426
Langdon-Davies (C.), an Explanation of the Phonophore, and
more especially of the Simplex Phonophore Telegraph, 531
Langenbeck (Dr.), Die Theorieen über die Entstehung der
Koralleninseln und Korallenriffe und ihre Bedeutung für
geophysische Fragen, 293

Langley (Prof.), the Phosphorescent Light of Insects, 88
Language, Formation of, W. J. Stillman, 491; Miss Agnes
Crane, C. Tomlinson, F. R.S., 534

Lankester (Prof. E. Ray, F.R.S.): on the Atrial Chamber of

Amphioxus, 70; Wood's Holl Biological Lectures, 516;

Zoological Articles contributed to the Encyclopædia Britan-

nica, 607

Lantern, on erecting Prisms for the, Prof. S. P. Thompson,

623

Lanterns, Optical Projection, Lewis Wright, 555

Lapland, Norwegian, Glacial Striæ and Morainic Gravel in,
far Older than the Ice Age, Dr. Hans Reusch, 106
Lapparent (Prof. de), the Porphyritic Rocks of Jersey, 94
Larks, the Flight of, Alfred W. Bennett, 248

Larmor (J.): the Steam Engine considered as a Thermodynamic
Engine, James H. Cotterill, F. R.S., 123; Diffraction at
Caustic Surfaces, 384

Latham (Baldwin), the Relation of Ground Water to Disease,

Latitude, Fluctuation of, Dr. Alfred Kirchoff, 88

Latitude Variation, Periodical Changes in Declination of Stars
a possible Cause of, F. Folie, 240

Latitude, the Variations in, 110

Latter (Oswald H.), Frozen Fish, 464

Launch, the First Electric, built for English Government, 450
Laurent (Emile), Reduction of Nitrates to Nitrites by Seeds
and Tubercles, 240

Lauth (Chas.), New Method of preparing Tetramethylbenzidine,
168

Lavoisier, Priestley, Cavendish and, Prof. T. E. Thorpe,

F.R.S., I

Layng (A. G.), Euclid's Elements of Geometry, 343

Le Bel (J. A.), Asymmetry and Production of Rotary Power in
Chlorides of Compound Ammonium, 576

Le Chatelier (H.), Influence of Tempering on Electrical Resist-
ance of Steel, 264

Lea (M. C.), Gold-coloured Allotropic Silver, 500, 598
Leading Screw, Cutting a Millimetre Thread with an Inch,
Prof. C. V. Boys, F.R.S., 439

Leaves, Extraordinary Flight of, R. Haig Thomas, 9

Lecture, Scientific, Arrangements, Royal Institution, Gresham
College, Victoria Hall, 520

Lecky (Mr.), Sun Record in Botanic Gardens, 450

Leder (Herr H.), Proposed Zoological and Botanical Expedition

to Siberia, 451

Leeds, James Muir appointed Professor of Agriculture at the

Yorkshire College, 397

Left-handedness, the Origin of Right or, Prof. J. M. Baldwin,

Lepidoptera, Changes in Markings and Colouring of, caused by

subjecting Pupe to Different Temperature Conditions, C.

Merrifield, 191

Lepidoptera, Sale of Captain Yankowsky's Collection of Chinese

Butterflies, 543

Lepine (R.), Glycolytic Power of Human Blood, 528

Lesage (Pierre), Influence of Salinity on Quantity of Starch
contained in Vegetable Organs of Lepidium sativum, 624

Lescarbault (Dr.), Planet or New Star, 303

Levasseur (Emile), General Relation of State and Increase of

Population in France, 192

Leveau (Gustave), Determination of Masses of Mars and Jupiter
by Meridian Observations of Vesta, 384

Levelling and Surveying Instruments, William Ford Stanley,
374

Lewes (Prof. V. B.), Gaseous Illuminants, 233, 254, 282

Lewis (W. J.), Huet's Anemometer, 323

Leyden Museum Notes, 501

Leyden Observatory, 328

Liagre (Lieut.-General), Death of, 299

Lichen in Turkey and Asia, Showers of Manna, Edible,
255

Liebisch (Dr. M.), Physikalische Krystallographie, 126

Life-Areas of North America, Dr. C. H. Merriam, 88

Light at Surface of Magnetized Medium, Reflection and Refrac-
tion of, A. B. Basset, F.R.S., 286

Light, the Theory of, Thomas Preston, 53
Light-Rays, Behaviour of Water as to Passage of Different,
Hüfner and Albrecht, 520

Lightning, Peculiar Effects on Eggs of, R. H. Scott, F.R.S.,
215

Lime, Action of, on Clay Soils, Alexander Johnstone, 308

Lind's Anemometer, 323

Linnean Society, 72, 119, 192, 311, 383, 479, 503, 526, 574

Linnean Society of New South Wales, 544; Annual General

Meeting of, 450

Linossier (G.), Aspergillin, a Vegetable Hæmatin, 456, 600

Lippmann (G.), Photography of Colours, 360

Liquid and Gaseous States, Prof. Van der Waals on the Con-
tinuity of the, Prof. J. T. Bottomley, F. R.S., 415; Prof. A.
W. Rücker, F.R. S., 437; Robert E. Baynes, 487

Lizard, Poisonous, Mr. Boulenger and Prof. C. Stewart, 383

Local Taxation Act and the Technical Instruction Act, the
Working of, 167

Lock (J. B.), Elementary Statics, 55

Lockhart (J. G.), the Moose, 109

Lockjaw, Relation of Gangrenous Septicemia to, M. Verneuil,

Lockyer (Prof. J. Norman, F.R.S.), on some Points in the
Early History of Astronomy, 559

Locomotion of Arthropods, H. H. Dixon, 223

Lodge (Prof. Oliver J., F.R.S.): Modern Views of Electricity,
Volta's so-called Contact Force, 268, 367, 463; Ratio of
Centimetre to Inch, 463; Force and Determinism, 491; the
Flying to Pieces of a Whirling Ring, 439, 461, 533; the
Meaning of Algebraic Symbols in Applied Mathematics,
513

Loewy and Puiseux (MM.), Determination of the Constant of

Aberration, 498

Logarithms, Trigonometry and, J. M. Eustace, 55

Löhr (Dr.), Cadmium and Magnesium Analogues of Zinc
Methide and Ethide, 256

London Air, the Darkness of, W. Hargreaves Raffles, 152,
222; George White, 318

London Fogs, Effect of, on Cultivated Plants, 107

London, the Smoke Nuisance in, 426

London, Sunshine of, Fredk. J. Brodie, 424

London University College, Appeal for Funds, 289

London-Paris Telephone, 475

Longitudes, Annuaire du Bureau des, 356

Lord Howe Island, Vegetation of, W. Botting Hemsley, F. R.S.,
565

Lorentz (H. A.), Applications of Maxwell's Principles of Elec-
trical Phenomena in Moved Bodies, 408

Love (A. E. H.), Present State of Theory of Thin Elastic Shells,
310

Lovel (J.), Iridescent Clouds, 464

Lovell (Kate), Nature's Wonder Workers, 532

Lowe (E. J., F. R.S.): Birds' Nests, 199; the Cold of 1890-91,
294; British Ferns and Where Found, 389; Frozen Fish,
391; Cocks and Hens, 583

Lowndes (Mary E.), Translation of Prof. Harald Höffding's

Outlines of Psychology, 553

Lowne (B. Thompson), Anatomy, Physiology, Morphology,
and Development of the Blow-fly, 77
Luminous Clouds, O. Jesse, 59

Lunar Radiation, Measures of, C. C. Hutchins, 44; the Earl of
Rosse, F.R.S., 104

Lydekker (R.), Generic Identity of Sceparnodon and Phascolonus,

214

Lyra, Recent Photographs of the Annular Nebula in, A. M.
Clerke, 419

Lyra (a), the Duplicity of, 257; A. Fowler, 64

Maas, River, Floods in the, 72

Macao, Volcanic Eruption at, 182

Macaulay (W. H.), the Meaning of Algebraic Symbols in

Applied Mathematics, 558

MacBride (E. W.), Development of the Oviduct in Frog, 407

McConnell (P.), Agricultural Education, 182

McCook (Henry C., D.D.), American Spiders and their Spinning

Work, 74

McCosh (Dr. James), the Prevailing Types of Philosophy, 531

McCoy (Sir Frederick), Prodomus of the Zoology of Victoria,
389

Macdonald (Rev. James), the South African Doctrine of Souls,
307

Macdonald (John) and Prof. John Milne, F.R.S., on Vibration-
Recorders, 154

Macdonald (W. J.), Higher Geometry, 8

Macfarlane (James), an American Geological Railway Guide, 8

Machinery, Electric Mining, Ll. B. and C. W. Atkinson, 355

McKinley Bill on Scientific Instruments, Effect of, 108

McLachlan (R., F.R.S.), Frozen Fish, 440, 535

Maclear (J. P.), a Bright Green Meteor, 30

MacMahon (Major P. A., F.R.S.), Weighing by a Series of

Weights, 113

McMillan (W. G.), a Treatise on Electro-Metallurgy, 244
McRae (Charles), Fathers of Biology, 245

Magellan (Ferdinand), the Life of, F. H. H. Guillemard, 294
Magic Mirrors, Through, Arabella B. Buckley, 246
Magnetism and Electricity: Elementary Manual of, Andrew
Jamieson, 102; Magnetism and Electricity, J. Spencer, 127;
Illustration of Ewing's Theory, Prof. S. P. Thompson, 190;
Solution of a Geometrical Problem in Magnetism, T. H.
Blakesley, 191; Model Illustrating a Molecular Theory of
Magnetism, Prof. Ewing, 239; Magnetism and Light, A. B.
Basset, F.R.S., 286; Distribution of Magnetism in Alpine
Regions, Sella and Oddone, 378; Magnetic Rotation, W.
Ostwald, 454; Magnetic Disturbance of the Compass in
North-West Australia, Commander E. W. Creak, F. R.S.,
471; Magnetic Proof Pieces and Proof Planes, Prof. S. P.
Thompson, 549; Magnetic Screening of Conducting Media,
Prof. J. J. Borgman, 583; Magnetic Anomalies in France,
M. Mascart, Prof. A. W. Rücker, F.R.S., 617; a Property
of Magnetic Shunts, Prof. S. P. Thompson, 623
Main (E.), on Frozen Fish, 535

Mair (Major), on the Disappearance of the Moa, 105

Malaria, the Pathogenic Fungus of, Surgeon J. F. Evans,
430

Malay Peninsula, the Ipoh Poison of the, 377; the Red Ant
(Caringa) of the, H. N. Ridley, 620

Malayan Peninsula, Materials for a Flora of the, No. 2, Dr. G.
King, F.R.S., 149

Malbot (H. and A.), Conditions of Reaction of Isopropylamines,

Mallock (A.), Photographic Perspective and the use of Enlarge-
ment, 517

Mammalia, New Fossil, Discovered at Samoa, 85

Mammalian Nervous System, Francis Gotch and Victor Horsley,
F.R.S., 428

Mammals, Fossil, of North America, Profs. W. B. Scott and
H. F. Osborn, 177

Mammoth and Man in America, 63

Man and the Mammoth in America, 63

Man, Whence Comes, Arthur John Bell, 460; Why does Man
Exist?, Arthur John Bell, 460

Manganese Nodules in Deep Sea, Dr. John Murray, 287; Oceanic
and Littoral Nodules, J. Y. Buchanan, 287

Mann (N. M.), Orbits of 61 Cygni, Castor, and 70 Ophiuchi,

Manna, Edible Lichen, in Turkey in Asia, Showers of, 255

Manual Training in Education, C. M. Woodward, 220

Map of Chin-Lushai Country, New, 209

Maps and Map-Drawing, William A. Elderton, 196

Maquenne (M.), the B-Pyrazoldicarbonic Acids, 95

Mar (F. W.), Certain Points in Estimation of Barium as Sul-

phate, 598

Marbeau (Ed.), the Depopulation of France, 183

Marcet (Dr.), Different Volumes of Air Respired by Different

Persons, 451

Marchand (Em.), Observations of Sun-spots in 1889, 432

Marès (M.), the Past Winter in Algeria, 567

Marey (M.), a Photo-Chronographic Apparatus to analyze all

kinds of Motion, 48

Marine Biology: Proposed Station in Queensland, W. Saville-
Kent, 255; Biological Lectures delivered at the Marine Bio-
logical Laboratory of Wood's Holl in the Summer Session
of 1890, 457, 516, 591

Marine Zoology: Marine Zoological Station at Cette, Proposed,

Prof. Armand Sabatier, 397; the Naturalist of Cumbrae,

being the Life of David Robertson, Rev. T. R. R. Stebbing,

Marr (J. E.), the Cross Fell Inlier, 598
Marriott (William), the Royal Meteorological Society's Exhibi-
tion, 446

Mars, Observations of, J. Guillaume, 428
Marshall (John, F. R.S.), Death of, 230
Marshes, Canalization of Pinsk, 164

Marten (H. J.), Action of Water upon Stones in Severn Weir,

214

Marvin (Prof.), Wind-pressures and Measurement of Wind

Velocities, 548

Mascart (M.), Magnetic Anomalies in France, Prof. A. W.

Rücker, F. R.S., 617

Mason (P. B.), Squirrels in Cold Weather, 544

Mason (W. B.), List of Earthquakes recorded (August II,

1888, to December 31, 1889) in Northern and Central Japan,
131

Masson (Prof. Orme): a Deduction from the Gaseous Theory of
Solution, 345; Does Magnesium Combine with Hydrocarbon
Radicles?, 454

Masters (Dr. Maxwell T., F.R.S.), Araucaria Cones, 56
Matabeleland, by Lieut. E. A. Maund, 91
Mathematics: Elementary Text-book of Trigonometry, R. H.
Pinkerton, 7; Higher Geometry, W. J. Macdonald, 8; Ele-
mentary Algebra, W. A. Potts and W. L. Sargant, 28; Heat
and Light Problems, R. Wallace Stewart, 28; Weighing by
a Ternary Series of Weights, J. Willis, 30; Weighing with a
Ternary Series of Weights, 198; J. Willis, 198; Prof. J. D.
Everett, F.R.S., 198; Major P. A. MacMahon, F.R.S., 113;
Elementary Statics, the Rev. J. B. Lock, 55; Notes on
Trigonometry and Logarithms, Rev. J. M. Eustace, 55;
Elementary Treatise on Hydro-dynamics and Sound, A. B.
Basset, 75; Doppler's Principle, R. W. Stewart, 80; Award
of the De Morgan Medal to Lord Rayleigh, F.R.S., 83;
Mathematical Society, 95, 192, 384, 479, 575; Nowhere can
Mathematics be learned as at Cambridge, Prof. George M.
Minchin, 151; the Century Arithmetic, 175; Ellipsoidal
Harmonics, W. D. Niven, F.R. S., 189; Weights proceeding
by Powers of 3, Prof. J. D. Everett, F.R.S., 104; Tables of
Spherical Harmonics, Rev. J. Perry, F.R.S., 118; the Subject-
Matter of Exact Thought, A. B. Kempe, F.R.S., 156; on
Stokes's Current Function, R. A. Sampson, 261; Key to Arith-

metic in Theory and Practice, J. Brooksmith, 294; Theory of

Functions, Dr. H. A. Schwartz, Prof. O. Henrici, F. R.S.,

321, 349; a Purely Algebraic Demonstration of the Funda-
mental Theorem of the Theory of Equations, E. Amigues,
336; Some hitherto Unproved Theorems in Determinants,
335; a Problem of Elimination connected with Glissettes of
Ellipse and Hyperbola, 335; a Dictionary of Metric and other
Useful Measures, Latimer Clark, F.R.S., 487; Spinning
Disks, J. T. Nicholson, 514; Tension of a Girdle of the
Earth, Prof. A. S. Herschel, F. R. S., 513; the Meaning of
Algebraic Symbols in Applied Mathematics, Prof. Oliver J.
Lodge, F.R.S., 513; Mechanical Trisection of any Angle,
Captain A. H. Russell, 547; on the Rôle of Quaternions in
the Algebra of Vectors, Prof. J. Willard Gibbs, 511; Quater-
nions and the Algebra of Vectors, Prof. P. G. Tait, 535; the
Rôle of Quaternions in the Algebra of Vectors, Prof. P. G.
Tait, 608; the Foundations of Geometry, E. T. Dixon, 554;

the Meaning of Algebraic Symbols in Applied Mathematics,

W. H. Macaulay, 558; Supplement to Euclid Revised, R. C.

J. Nixon, 581. See also Geometry.

Mathew (Rev. John) and Edward Stephens, on Australian

Aborigines, 185

Matter, Properties of, Prof. P. G. Tait, 78

Maund (Lieutenant E. A.), Matabeleland, 91

Mawley (E.), Phenological Observations for 1890, 215

Maximowicz (K. I.), Death of, 398; Obituary Notice of, Dr.

Otto Stapf, 449

Maxwell (James Clerk), the Scientific Papers of, Right Hon.

Lord Rayleigh, F.R.S., 26

Mayall (Mr.) and the New Objective 1.6 N. A., an Explanation,

Mechanics Institution of Mechanical Engineers, 22, 332, 499 ;
Hand-book for Mechanical Engineers, Prof. Henry Adams,
147; Weighing with a Ternary Series of Weights, 198; J.
Willis, 30, 198; Prof. J. D. Everett, F. R. S., 198; Prof. P.
G. Tait on Impact, 287; Present State of the Theory of Thin
Elastic Shells, A. E. H. Love, 310; the Bursting of a Pres-
sure-Gauge, Frederick J. Smith, 318; Bursting of a Pressure-
Gauge, Newton and Co., 366; the Flying to Pieces of a
Whirling Ring, Prof. A. M. Worthington, 463, 583; Lessons
in Applied Mechanics, by J. H. Cotterill, F.R.S., and J. H.
Slade, 461; Mechanical Trisection of any Angle, Captain A.
H. Russell, 547. See also Whirling Ring.

Medical Faculty of Queen's College, Birmingham, Removal of,
542

Medical Hand-book, the Colonist's, E. A. Barton, 150
Medicine at St. Petersburg, Foundation of Institute for Experi-
mental, 208

Medusa of Millepora and their Relation to Medusiform Gono-
phores of Hydromedusæ, S. J. Hickson, 407

Meek (Alexr.), Museums for Public Schools, 180
Meldola (Prof. R., F.R.S.): Handbuch der Photographie,
Prof. Dr. H. W. Vogel, 3; Co-adaptation, 557; the Dar-
winian Theory of the Origin of Species, Francis P. Pascoe,
409

Meldrum (Dr.): Atlas of Cyclone Tracks of South Indian
Ocean, 620; Eliot's Cyclone Memoirs, III., 620

Mell (P. H.), Varieties of Cotton Grown in Alabama, 521
Mercadier (E.), Intensity of Telephonic Effect, 288
Mercury, the Planet, 569

Meridian Conference, United States and the Proposed Universal
Prime, 108

Merle's (Walter) Weather Records, 1337-44, Proposed Publica-
tion of, 592

Merope, a New Nebula near, Prof. Barnard, 379, 546; Prof.
Pritchard, 546

Merriam (Dr. C. H.), the Fauna and Flora of Arizona, 88
Merrifield, Changes in Markings and Colourings of Lepidoptera
caused by Subjecting Pupa to Different Temperature Condi-
tions, 191

Merrifield (F.), Selenia illustraria, 503

Merry (Mr. A. S.), on Heat, 327

Merulius lacrymans, Dry-rot Fungus, F. T. Mott, 129
Mesozoic and Palæozoic Age in Eastern Australia and Tas-
mania, the Coal and Plant-bearing Beds of, B. O. Feistmantel,
148

Metallurgy Metal-Turning, by a Foreman Pattern Maker, 175;
American Blast-Furnace Work, 211; the Art of Electrolytic
Separation of Metals, Theoretical and Practical, G. Gore,
F.R.S., 244; Influence of Tempering on Electrical Resistance
of Steel, H. Le Chatelier, 264; Instrument for Detecting
Flaws in Metal Castings, Captain_de Place, 279; Native
Nickel in Sands of Elvo Torrent, Piedmont, Alfonso Sella,
312; the Passive State of Iron and Steel, II., Thos. Andrews,
358; Mixed Metals or Metallic Alloys, A. H. Hiorns, Prof.
W. C. Roberts-Austen, F. R.S., 388; an Introduction to the
Study of, Prof. W. C. Roberts-Austen, F. R. S., Thomas
Gibb, 530

Meteorology: the Causes of Anticyclones and Cyclones, Henry
F. Blanford, F.R.S., 15, 81; the Genesis of Tropical Cyclones,
Henry F. Blanford, F. R.S., 81; the Aurora, Forces con-
cerned in Development of Storms, M. A. Veeder, 20; the
Diurnal Probability of Rain, Prof. P. Busin, 20; Meteoro-
logical Observations for 1886 at Stations of Second Order,
20; Remarkably Warm Winter at St. Petersburg, 42; Syn-
chronous Daily Weather Charts of North Atlantic, 42; Photo-
graphs of Meteorological Phenomena, Arthur W. Clayden, 55;
Luminous Clouds, O. Jesse, 59; Rainfall of Kent and
Surrey, 63; Nils Ekholm on the Determination of the
Path taken by Storms, 63; T. Tuhlin on the Nocturnal Tem-
perature of the Air, 63; Weather Service of United States, 87;
Temperature Variations in Lakes, Rivers, and Estuaries, 92,
93; Royal Meteorological Society, 94; Exhibition of, William
Marriott, 446; Catalogue of the Royal Meteorological So-
ciety's Library, J. S. Harding, Jun., 497; Climatological
Table for the British Empire for 1889, 108; Pilot Charts of
the North Atlantic, 108, 208, 279; Meteorological Report of
the United States for the Year ending June 30, 1890, 131;
the Darkness of London Air, W. Hargreaves Raffles, 152;
Glacial Climate, Prof. N. S. Shaler, 155; alleged Climatolo-
gical Period of Thirty-five Years, Prof. Brückner, 163; New

Station (Tientsin) in Telegraphic Communication with the
Shanghai Observatory, 164; Streamers of White Vapour, N.
F. Dupuis, 175; Report of the Meteorological Council for
the Year ending March 31, 1890, 182; Russian Meteorology
Review, 183; Meteorology of the Canadian Yukon, W.
Ogilvie, 189; Distribution of Atmo-pheric Pressure in Russia
and Asia, 1836-1885, General de Tillo, 208: Peculiar Effect
of Lightning on Eggs, R. H. Scott, F.R.S., 215; Wind
Systems and Trade Routes between Cape and Australia,
Captain Hepworth, 215; Phenological Observations for 1890,
E. Mawley, 215; Finley's Stora-Track, &c., Charts of
North Atlantic, 231; the Monsoons of the Yang-tse- Kiang,
232; Meteorologitcheskiy Sbornik, 232; Results of Compari-
sons of Pressure and Temperature Observations at the Eiffel
Tower with Low-level Stations (1889), M. Angot, 254;
Self-recording Barometer, Redier and Meyer, 255; Pre-
diction of Cold Waves from Signal Service Weather Maps,
T. Russell, 260; the Great Frost of the Winter of 1890-91,
270; the Cold of 1890-91, E. J. Lowe, F.R.S., 294; the
Great Frosts of 1890-91, C. Harding, 431; Report of the
Kew Committee for Year ending October 31, 1890, 278;
Waterspout at Newhaven, Connecticut, H. J. Cox, 285;
Observations and Studies with Sling Hygrometer on Mount
Washington, Prof. Hazen, 285; Practical Solution of Problem
of Emergent Liquid Column of Thermometer by Employment
of Correcting Stem, C. E. Guillaume, 288; Dew, Colonel
Badgley, 311; a Remarkable Ice-Storm at Hartford, Prof.
Samuel Hart, 317; the Darkness of London Air, George
White, 318; the Erosive Action of Frost, 319: Floods from
Rainfall in Queensland, 326; Establishment of a Meteoro-
logical Station at Noumea, C. L. Wragge, 326; H. C.
Russell's Meteorological Observations in New South Wales
during 1888, 377; Meteorological Bibliography of Mexico,
Señor R. A. Santillan's, 398; a Solution of the Aurora
Problem, Prof. F. H. Bigelow, 405; the Sunshine of
London, Fredk. J. Brodie, 424; Cold Winters generally
followed by Cold Summers, A. Lancaster, 426; Extra-
ordinary Dryness of February 1891, G. J. Symons, F.R.S.,
426; the Tides off the Dutch Coasts, 450; Recent Pro-
gress in Dynamic Meteorology, Prof. Cleveland Abbe, 450;
Cable to the Andamans necessary for Meteorological Purposes,
451; February Sunshine, 453; Actinometric Observations at
Kief, 1890, M. Savélief, 456; Iridescent Clouds, J. Lovel, 464 ;
Bright Crosses in the Sky seen from Mountain Tops, Dr. R.
von Lendenfeld, 464; Prof. William Ferrel on the High-
Pressure Area of November 1889 in Central Europe, with
Remarks on High-Pressure Areas in General, 466; Meteoro-
logical Observations taken at Sarona, Syria, Monthly, James
Glaisher, 473; Injury from Hail in Würtemberg between
1828-87, Herr Bühler, 473; Temperature of the Clyde Sea-
Area, Dr. John Murray, 480; Weather Forecasting in
Australia, 497; G. J. Symons, F. R. S., on the History of
Rain-Gauges, 504; Influence of Height of Rain-Gauges on
Rainfall Records, Dr. Hellmann, 520; Relation of High
Winds to Barometric Pressure at Ben Nevis Observatory,
Dr. A. Buchan, 527; Meteorology of Ben Nevis, Dr. A.
Buchan, 538; Royal Meteorological Institute of the Nether-
lands, Appointment of Dr. Maurice Snellen as Director, 542:
the U.S. National Weather Service, 543; Mean Temperature
and Rainfall for 1890 in Germany and British Isles, 543;
Wind Pressures and Measurement of Wind Velocities, Prof.
Marvin, 548; Die Denudation in der Wüste, Prof. Johannes
Walther, 556; Additional Results of the United States
Scientific Expedition to West Africa, Profs. Cleveland Abbe
and David P. Todd, 563; the Past Winter in Algeria, M.
Marès, 567; Typical Winter Weather Conditions, Dr. van
Bebber, 567; the Wheat Harvest in Relation to Weather,
569; the Paradox of the Sun-spot Cycle, Henry F. Blanford,
F.R.S., 583; the Formula for Wind Velocities (see ante, p.
548) as Observed with Robinson's Cup Anemometer, 592;
Weather in Atlantic during March, 592; Effect of Difference
of Exposure on Reading of Thermometers, Dr. Sprung, 592;
Proposed Publication of Walter Merle's Weather Records,
1337-44, 592; Remarkable Features in Winter of 1890-91, F.
J. Brodie, 599; Rainfall of February 1891, H. S. Wallis, 599;
Variations of Rainfall at Cherra Poonjee, Assam, H. F. Blau-
ford, 599; Open Manometer at Eiffel Tower, L. Cailletet,
599; on Tidal Prediction, Prof. G. H. Darwin, F. R.S., 609;
Dr. Meldrum's Atlas of Cyclone Tracks of South Indian
Ocean, 620

Meteors:

a Bright Green Meteor, J. P. Maclear, 30; the
Frequency of Meteors, MM. Terby and Van Lint, 133; a
Large and Brilliant Fireball Meteor, Rev. A. Freeman, 150;
Robert Hunter, 151; Fireball of December 14, James Turle,
176; the Leonid Meteors, 210; a Beautiful, Rev. J. Hoskyns-
Abrahall, 416; Remarkable Meteor, 556; Fall of a Great
Meteor at Sea, 590; W. Budgen, 608; the Turgaisk
Meteorite, E. D. Kislakovsky, 334; Meteorite of Ochansk,
228; the Supposed Occurrence of Widespread Meteoritic
Showers, L. Fletcher, F. R. S., 295

Metric System, the Decimal, J. E. Dowson, 354

Metric and other Useful Measures, a Dictionary of, Latimer
Clark, F.R.S., 487

Meunier (S.), Artificial Reproduction of Daubreelite, 500
Mexico: the Name Anahuac applied by Mistake to Plateau of,
Dr. Seler, 208; Earthquake in, 131, 279; Return of Mr. C.
G. Pringle from, 377; Señor R. A. Santillan's Meteorological
Bibliography of, 398

Meyer (M.), Self-recording Anemometer, 255

Miall (L. C.), Object-Lessons from Nature, a First Book of
Science, 511

Micmac Indians, Dictionary of the Language of the, Rev. Dr.
S. T. Rand, 102

Microbes de la Bouche, Dr. Th. David, 174

Microscopy the Cell Theory, Past and Present, Sir William
Turner, F. R.S., 10, 31; Swift and Son's Improved Students'
Microscope, 47; Quarterly Journal of Microscopy, 70; Micro-
scopical Study of the Skin of Toads and Salamanders, Herr
Schultz, 209

Miller (G. H.), Action of Heat on Nitrosyl Chloride, 262
Millimetre Thread, Cutting a, with an Inch Leading Screw,
Prof. C. V. Boys, F.R.S., 439

Milling Cutters, George Addy, 23
Millson (Alan), Earthworms, 179

Milne (Prof. John, F.R.S.) and John Macdonald, Vibration-
Recorders, 154

Minchin (Prof. George M.): Nowhere can Mathematics be
Learned as at Cambridge, 151; Photo-electricity, 334; Ex-
periments in Illustration of Paper on Photo-electricity, 407
Mineralogy: the Great Mogul's Diamond and the Koh-i-nur,
Valentine Ball, F.R.S., 103; Source of Jade used for An-
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310; Celebration of Fiftieth Anniversary of Prof. Arcangelo
Scacchi, 376; Phosphorescence of Minerals under Light and
Heat, H. Becquerel, 504; Mineralogical Magazine, 567
Mines, Coal Dust and Explosions in Coal Mines, 354
Mining Industries of New Zealand, 316

Mining Machinery, Electric, Ll. B. and C. W. Atkinson, 355
Mining Rock Drills, 499

Mirrors, through Magic, Arabella B. Buckley, 246
Missouri, Garden Scholarships at, 187

Mivart (St. George, F.R.S.), Dogs, Jackals, Wolves, and Foxes,
a Monograph of the Canidæ, 385

Moa, Note on the Disappearance of the, Prof. H. O. Forbes,
105

Mock Suns, T. Mann Jones, 269

Modena Market in 1889, Edible Fungi for Sale in, 21
Modern Views of Electricity, S. H. Burbury, F.R.S., 366,
439, 515; Prof. Oliver J. Lodge, F.R.S., 367; A. P. Chat-
tock, 367, 491

Modifications of Organisms, on the, David Syme, Dr. Alfred
R. Wallace, 529

Mogul's Diamond, the Great, and the Koh-i-nur, Valentine
Ball, F. R.S., 103

Moissan (M.), Boron Iodide, 568

Molecular Dispersion, Dr. J. H. Gladstone, F.R.S., 198

Mollusca of British New Guinea, 114

Mollusk Shells, Algae growing in, Bornet and Flahault, 185

Monaco's (Prince of), New Steam Yacht, 519

Monsoons of the Yang-tse-Kiang, 232

Montessus (M. de), Relation of Earth-tremors to Seasons, 456
Monuments: the State of Egyptian, 182; the Preservation of,
230

Moody (G. T.), Combustion of Magnesium, 454

Moose: Measures of Lunar Radiation, C. C. Hutchins, 44; the
Earl of Rosse, F. R.S., 104

Moon, the, J. G. Lockhart, 109

Morainic Gravel and Glacial Strix in Norwegian Lapland older
than the Ice Age, Dr. Hans Reusch, 106

Morbology: Relation of Gangrenous Septicemia to Lockjaw,

M. Verneuil, 48; Accumulation of Atmospheric Nitrogen in
Cultures of Bacillus radicicola, Mr. Beyerinck, 600
Morgan (De), Medal awarded to Lord Rayleigh, F.R.S., 83
Morgan (Prof. C. Lloyd): Animal Life and Intelligence, Dr.
Alfred R. Wallace, 337; Outlines of Physiological Psychology,
a Text-book of Mental Science for Academies and Colleges,
George Trumbull Ladd, 506; the Principles of Psychology,
William James, 506; Force and Determinism, 558
Morgan (Prof. T. H.), on the Relationships of Sea-spiders, 459
Morley (E. W.), Volumetric Composition of Water, 600
Morphology: the Morphology of the Sternum, Prof. G. B.
Howes, 269; Stereom, F. A. Bather, 345; on the Affinities
of Hesperornis, Dr. F. Helm, 368; some Problems of
Annelid Morphology, Prof. E. B. Wilson, 458; on the Mor-
phology of the Duck and Auk Tribes, W. Kitchen Parker,
F.R.S., 486

Moscow, Proposed International Scientific Congress at, 207
Mosses, the British, the Right Hon. Lord Justice Fry, F.R.S.,
379, 400

Motais (M.), Myopia, a Product of Civilization, 163

Motion, a Photo-chronographic Apparatus to analyze all kinds
of, M. Marey, 48

Mott (F. T.), Dry-rot Fungus, 129

Mounds, Ancient, at Floyd, Iowa, Clement L. Webster, 213
Mud Glaciers of Cromer, William Sherwood, 515

Muir (Mr. James), appointed Professor of Agriculture at York-
shire College, Leeds, 397

Muir (Dr. Thomas): some hitherto Unproved Theorems in
Determinants, 335; a Problem of Elimination connected
with Glissettes of Ellipse and Hyperbola, 335

Multiple Origin of Races, W. T. Thiselton Dyer, F.R.S., 535
Mummery (J. H.), Dentine, 501

Munro (John) and Andrew Jamieson, a Pocket-book of Elec-
trical Rules and Tables, 268

Munro (Robert), Lake-dwellings of Europe, being the Rhind
Lectures in Archæology for 1888, Prof. W. Boyd Dawkins,
F.R.S., 341

Müntz (A.): Hæmoglobin in Blood according to Conditions of
Existence, Amount of, 360; Distribution of Sea-salt according
to Altitude, 432

Murray (Dr. John): Manganese Nodules in Deep Sea, 287;
Temperature of Clyde Sea-area, 480; Silica and Siliceous
Formations in Modern Seas, 527

Muscle, the Minute Structure of Striped Muscle, J. B. Haycraft,
286

Museum at Noumea, Projected Government, 474

Museum Report, U.S. National, 620

Museum at Rome, the New Commercial, 497

Museum, the Science, 495

Museum, Sydney Australian, 132

Museums for Public Schools, Alexr. Meek, 180

Museums in Siberia, Natural History, 163

Music, a New Musical Instrument, Dr. Shohei Tanaka, 521
Musical Sand versus Squeaking Sand, Prof. H. Carrington
Bolton, 30

Musical Sounds, the Researches of Dr. R. Koenig on the
Physical Basis of, Prof. Silvanus P. Thompson, 199, 224,

249

Mutual Aid among Animals, William Elder, 56
Mycology: the Value of Attractive Characters to Fungi, Charles
R. Straton, 9; Attractive Characters in Fungi, 79, 80, 151;
R. Haig Thomas, 79; T. Wemyss Fulton, 269; the Fungi
of Warwickshire, James E. Bagnall and W. B. Grove, 413
Myology of the Raven, K. W. Shufeldt, 101
Myopia a Product of Civilization, M. Motais, 163
Mythology, the Botanical, of the Hindoos, Dr. Dymoke, 46

Naden, Constance, a Memoir, William R. Hughes, 343
Nansen (Dr. Fridtjof), the First Crossing of Greenland, 172;
Coming Arctic Expedition, 450; on Glaciation, Dr. A.
Irving, 541

Naples, Zoological Station of, 392; Dr. Anton Dohrn, 465
Natural History of the Animal Kingdom for the Use of Young
People, 435

Natural History, Berge's Complete, 366
Natural History, the Essex Field Club, 325

Natural History: the Life of Philip Henry Gosse, F.R.S., by
his Son, Edmund Gosse, 603

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Nature, Volume 43