June 2, 1892

Electric Discharge during Thunderstorms on Apparatus regis-
tering Terrestrial Magnetism, Em. Marchand, 264; Absolute
Values of Magnetic Elements on January 1, 1892, M.
Moureaux, 264; Magnetization of Iron, Prof. C. G. Knott,
431

Maiden (J. A.), Panax Gum, 567
Maize as Food, the Value of, 234
Maize, Wild, found in Mexico, 39

Makino (Tomitaro), Illustrations of the Flora of Japan to
serve as an Atlas to the Nippon-Shokubutsushi, 149
Malacology, French, A. Locard, 219

Malay Peninsula, the Ipoh Poison of the, Leonard Wray,
Junior, 278

Mallard (M.), the Native Iron of Cañon Diablo, Arizona,
575

Mallet (F. R.), Physiological Action of Diminished Atmo-
spheric Pressure, 606

Mammalia, Catalogue of, in the Indian Museum, Calcutta, W.
L. Sclater, 50

Man, Beast and, in India, John Lockwood Kipling, 131
Man, Evolution of, Prof. Ernst Haeckel, 482

Man in Nature, Paul Topinard, 457

Man's Place in Nature, Prof. N. S. Shaler, 220
Manchester, Free Public Libraries in, 157

Manchester Field Naturalists' Society, Programme of Summer
Excursions, 614

Manchu Race, the, 523

Mangrove Vegetation in the Malay Archipelago, W. B. Hems-
ley, 3

Mangrove as a Source of Tannin, the, Dr. J. T. Rothrock, 546
Manipulation of the Microscope, Edward Bausch, 342
Manitoba, the Prairie Larks of, E. E. Thompson, 135
Mannering (Geo. Edward), With Axe and Rope in the
New Zealand Alps, Prof. T. G. Bonney, F. R.S., 147
Maquenne (M.): Direct Combination of Nitrogen with Alkaline-
Earthy Metals, 264; Barium and Strontium Nitrides, 360;
Interesting Compound of Carbon and Barium, 404

Marcano (V.), the Ammonia in the Air and Rain of a Tropical
Region, 143

Marchand (Em.), Influence of Electric Discharge during
Thunderstorms on Apparatus registering Terrestrial Magnet-
ism, 264

Marchand (M.), Solar Observations, 352

Marey (M.), Use of Chronophotography for Study of Aërial
Locomotive Machines, 71

Marine Biological Association, 116

Marriott (W.), Investigation into the Thunderstorms of 1888-89,
215

Mars, Observations of, Dr. Lohse, 326

Marshall (Arthur), Aurora, 605

Marsupialia, Teeth-Development in the, M. F. Woodward,
335

Maryland, a Geological Excursion in, Prof. G. H. Williams, 235
Mascart (M.), Theory of Astronomical Aberration, 68; the Mass
of the Atmosphere, 311

Maskelyne (Prof. N. Story, F. R.S.), the Koh-i-Nur, 5, 126
Mason (Prof. O. T.), Eskimo Throwing-sticks, 66

Mason Science College, Birmingham, Report on Educational
Work of, 519

-

Massee (G.), British Fungi, Phycomycetes and Ustilagineæ, 411
Massol (G.), Thermal Data concerning active Malic Acid and
Potassium and Sodium Malates, 167; Tartronic Acid and the
Tartronates of Sodium and Potassium, 432; the Heats of
Formation of Potassium Carballylates, 456; Citric Acid, 504
Mathematics: Prof. Kikuchi's Treatise on Geometry, 20;
Loney's Elementary Dynamics, 20; "W Mg," Prof.
Arthur G. Webster, 29; an Introduction to the Differential
and Integral Calculus, T. Hugh Miller, 52; Lemoine's Two
Problems of Stamps, Prof. Schoute, 72; Mechanics for
Beginners, Part I., Rev. J. B. Lock, 101; Mathematical
Society, 119, 214, 335, 407, 502, 623; Bulletin of the New
York Mathematical Society, 124, 341; Mathematical
Exercises, A. T. Richardson, 125; the Loci of Singular
Points and Lines occurring in Connection with Theory of
Locus of Ultimate Intersections of a System of Surfaces,
Prof. M. J. M. Hill, 141; Prof. D. T. Korteweg on Van der
Waals's Isothermal Equation, 152; Equations of Propagation
of Disturbances in Gyrostatically Loaded Media, J. Larmor,
214; Theory of Elastic Wires, A. B. Basset, F.R.S., 215;
Harmonic Functions for the Elliptic Cone, E. W. Hobson,
335; Theorems relating to a Series of Coaxal Circles, R.

Lachlan, 335; Stamp-folding Problem, Prof. Schoute, 335;
the Logical Foundations of Applied Mathematical Sciences,
Mr. Dixon, 407; Mathematical Analogies between various
Branches of Physics, Prof. Bragg, 423; the Theory of Deter-
minants in the Historical Order of its Development, Thos.
Muir, 481; the Simplest Equivalent of a given Optical Path,
Dr. J. Larmor, 502; Dualistic Differential Transformations,
E. B. Elliott, F.R.S., 503; Rectification of the Cartesian
Oval, Prof. Greenhill, F.R. S., 503; Elementary Mathematical
Astronomy, C. W. C. Barlow and G. H. Bryan, 579; Klein's
Modular Functions, F. N. Cole, 597

Mathews (F. E.), a and B Modifications of Chlorobenzene Hexa-
chloride, 263

Matignon (M.), Heat of Formation of Hydrazine and Hydrazoic
Acid, 95

Mattieu-Williams (W.), Migration of the Lemming, 294
Maudslay (Alfred P.), Ancient Civilization of Central America,
617

Maunder (E. W.), Spectrum of Nova Auriga, 616
Maxwell (J. Clerk), Theory of Heat, 222

Maxwell, M. Poincaré and, Prof. Geo. Francis Fitzgerald,
F.R.S., 532

Mayall (John), Proposed Fund for the Family of the late, 86
Maycock (W. Perren), a First Book of Electricity and Magnetism,
248

Mayhew's Illustrated Horse Doctor, 27

Measure and Weight, Examination of the Standards of, im-
mured in the Houses of Parliament, 534
Mechanical Engineers, Institution of, 22, 585; Annual Meeting,
355, 585

Mechanics, Celestial, Two New Laws of, H. Struve, 70
Mechanics for Beginners, Part I., Rev. J. B. Lock, 101
Mechanics, American Superiority in, Coleman Sellers, 157
Mechanics, Applied, Sheets and Tie-rods Laterally Loaded,
Prof. J. Perry, F. R.S., 192

Mechanics: the Law of Elastic Lengthening, J. O. Thompson,
311; the Flexure of Long Pillars under their own Weight,
Prof. M. Fitzgerald, 479

Medical Students, Physiological Chemistry for, F. Charles
Larkin Randle Leigh, 292

Mediterranean, Austrian Government Deep-Sea Exploration in,
518

Medium for Preserving the Colours of Fish and other Animals,

Merope, Measures of the Nebula near, 352
Merrill (Geo. P.), Stones for Building and Decoration, 222
Merz (Dr.), Lithium Nitride, 307; Magnesium Nitride, 280
Meslans (M.), Synthesization of Two New Liquids containing
Fluorine, 547

Metallurgy: Iron Production in United States, Berkley, 65;
Production of Pig-Iron in United States, John Birkinbine,
208; Value of Metallurgical Science, Prof. Roberts-Austen,
257; Prince Louis Lucien Bonaparte's Collection of Metals,
348; Art Metal Work; Bronze in the London Atmosphere,
Prof. Roberts-Austen, 443; Metals at High Temperatures,
Prof. W. C. Roberts-Austen, F. R.S., 534
Meteoric Iron, E. Cohen, E. Weinschenk, 69
Meteoric Iron, a New Locality for, with a Preliminary Notice
of the Discovery of Diamonds in the Iron, Prof. A. E. Foote,
178
Meteorology: U.S. Pilot Chart for October, 1891, 38; the
Hydrology of Mitta Mitta, James Stirling, 40; the Climate of
Alta Verapaz (Guatemala), Dr. Sapper, 41; Phenomenal
Barometrical Depression (November 11, 1891), G. J. Symons,
65; Catalogue of Deutsche Seewarte Library, 65; the Magde-
burg Zeitung for 1890, 65; Cloud-Observation at Sea, Prof. C.
Abbe, 70; the Weather Bureau of the United States, 86;
Meteorology of Finland, 87; International Conference of

Meteorologists at Munich, 87; Electric Self recording Rain-
gauge, W. J. E. Binnie, 95; Wet and Dry Bulb Formulæ,
Prof. J. D. Everett, F. R.S., 95; Results of Observations at
Akasso, F. Russell, 95; Atlas of the Meteorology and
Physical Data of the Indian Ocean, 101; the Publications of
the Meteorological Department of India, 113; Rainfall and
Thunderstorms of Berlin, 114; Cyclones in Europe, 114; the
Temperature of the Rivers of Central Europe, 114; Proposals
for a Co-operative Observation of the So-called Luminous
Clouds, 117; Cyclones in the Arabian Sea, 276; Cyclone
Memoirs of the Arabian Sea, W. L. Dallas, 135; the Tides
of the Bay of St. Malo, M. Heurtault, 143; the Ammonia in
the Air and Rain of a Tropical Region, Marcano and Muntz,
143; Wind Direction, 149; Radiation of Upper Clouds
round Barometric Minima, Dr. H. E. Hamberg, 156;
Meteorological Observations at Cairo, 1868-88, Dr. J. Hann,
156; Meteorological Observations during Balloon Voyages,
Dr. Assmann, 168; the Severe Gale of November 11,
Chas. Harding, 181; Mr. E. Engelenburg, the new Director
of the Dutch Observations on Land, 183; Annual Meteoro-
logical Report for Japan (1889), 184; Prof. Hazen's High
Balloon Voyages, 189; Meteorology at French Association
at Marseilles, A. L. Rotch, 189; Features of Hawaiian
Climate, C. L. Lyons, 190; Instructions Météorologiques,
A. Angot, 196; Annals of Meteorological Office of Paris
(1889), 208; a Weather Lexicon, Herr Seemann, 208; In-
vestigation into Thunderstorms of 1888-89, W. Marriott, 215;
the Prevalence of Fog in London, 1871-90, F. J. Brodie,
215; Report on the Meteorology of India in 1889, John
Eliot, 217; Report on the Administration of the Meteoro-
logical Department of the Government of India, 217; Plan
for Observations to determine Local Distribution and
Altitude of Aurora, 234; Temperature Observations made
in 1890 on Eiffel Tower, Angot, 234; Meteorological Ob-
servations at San José (1889), H. Pittier, 234: Pilot Chart
of North Atlantic Ocean for December 1891, 258; Meteoro-
logical Report for Leeward Islands for 1890, 258; Frequency
and Geographical Distribution of heavy Daily Rainfalls in
European Russia, E. Berg, 258; Proposed Removal of
Madras Observatory, 258; Proposed Construction of numer
ous fresh Meteorological Observatories in Japan, 258; Cause of
Floating of Particles of Cloud and Fog, Herr von Frank, 259;
Sun-spots and Air Temperature, 271; Harmonic Analysis of
Hourly Observations of Air-temperature and Pressure at
British Observatories, 279; the Year's Sunshine in the
British Isles, 1881-90, 279; the Quantity of Sugar produced
in various Plants as a Means of determining the Meteoro-
logical Elements concerned, Abbé Buvé, 279; new Conden.
sation Hygrometer, Henri Gilbault, 288; on the Number of
Dust Particles in the Atmosphere of various Places in Great
Britain and on the Continent, with Remarks on the
Relation between the Amount of Dust and Meteoro-
logical Phenomena, John Aitken, F.R.S., 299; Curves
showing Fluctuations of Temperature and Pressure at
Base and Summit of Mount Washington, 304; Temperature
Observations at Geneva, M. Chaix, 304; Prof. Wiborgh's
Air-pyrometers, John Crum, 304; Thermometer-Tempera-
ture and Skin-Temperature, M. Vincent, 304; Curious
Nocturnal Rosy Sky Light at Berlin, 324; Rainfall Atlas of
Jamaica, Maxwell Hall, 324; Evaporation and Condensation,
Baldwin Latham, 335; Observations on the Flow of Under-
ground Water, Baldwin Latham, 335; Ammonia in Rain-
water, A. Muntz, 336; Presidential Address of M. Janssen to
French Meteorological Society, 350; Barometric Gradients,
H. Lasne, 350; International Monthly Charts of Mean
Barometric Pressures and Wind Directions, General Greely,
350; Ferrel's View of the General Circulation of the Atmo-
sphere, Prof. W. M. Davis, 357; Cold Waves, Dr. A.
Woeikof, 357; Nacreous Clouds, T. W. Backhouse, 365;
Remarkable Display of Aurora Borealis in America, 378;
Causes of the Famine in Russia, Dr. A. Woeikof, 378; Silver
Thaw at Ben Nevis Observatory, R. C. Mossman, 378; the
Mountain Meteorological Stations of the United States, A. L.
Rotch, 403; the Blue Hill Meteorological Observatory, 418;
Untenability of Atmospheric Hypothesis of Epidemics, Hon.
R. Russell, 431; the Origin of Influenza Epidemics, H.
Harries, 431; the Phenological Observations for 1891, E.
Mawley, 431; Relationship of Atmospheric Electrical
Phenomena to Terrestrial Magnetism, Dr. Arendt, 432;
Observations made in a Captive Balloon, Dr. Assmann, 432;
the Service of Roumania, 444; the Danish Meteorological In-

June 2, 1892

stitute and Deutsche Seewarte Daily Synoptic Weather
Charts for North Atlantic Ocean, 444; Influence of Total
Solar Eclipse on Air Pressure, Herr Steen, 444; the Samoan
Hurricane, Everett Hayden, 461; the Magnetic Storm of
February 13-14, 1892, 493; H. Wild, 480 ; the Winter Storms
of Northern India, Henry F. Blanford, F. R. S., 490; Atlantic
Weather and its Connection with British Weather, R. H.
Scott, 496; Report of the Meteorological Council, 518;
Cloud Pictures, Dr. Singer, 518; Prof. G. Hellmann's Rain-
fall Record Experiments, 545; Value of Meteorological
Instruments in Selection of Health Resorts, Dr. C. Theodore
Williams, 551; Magnetic Storms, Dr. M. A. Veeder, 557;
Meteorological Council's Issue of Tables of Monthly Means for
Pressure, Temperature, and Rainfall, 567; Research on Extremes
of Temperature in Europe, Dr. Lachmann, 576; Dust-Count-
ing on Ben Nevis, Angus Rankin, 582; Deutsches Meteoro-
logisches Jahrbuch, 1890, 587; the General Circulation of
the Atmosphere, Dr. J. M. Pernter, 593; the Meteorological
Station of Naha, Liukiu Islands, Japan, 597; Aurora, George
M. Seabroke, 605; Arthur Marshall, 605; Arthur E. Brown
605; the Changefulness of Temperature as an Element of
Climate, 610; Royal Meteorological Society, 623; Anemo-
meter Comparisons, W. H. Dines, 623; Meteorological
Society (see Royal)

Meteors: Fall of Meteorites in Madras, 20; the Tonganoxie
Meteorite, by E. H. S. Bailey, 119; a Brilliant Meteor,
Thomas Heath, 295; Large Meteor of January 24, 1892,
W. F. Denning, 317

Metschnikoff (Dr. Elie): Leçons sur la Pathologie Comparée
de l'Inflammation faites à l'Institut Pasteur en Avril et Mai,
1891, Prof. E. Ray Lankester, F. R.S., 505
Mexican Atlatl, 66, 102

Mexican Leatherwork, Surviving Specimens of Ancient, 66
Mexican Shields, Ancient, Zelia Nuttall, 520

Mexico, Northern, Carl Lumholtz's Explorations in, 136
Mexico, Projected Abandonment of Villages near Colina in
Consequence of Activity of Neighbouring Volcano, 158
Mexico, Wild Maize found in, 39

Meyer (Lothar), Outlines of Theoretical Chemistry, Prof. M.
M. Pattison Muir, 601

Meyer (Prof. Victor): Royal Society Medallist, III; Silent
Combination of Hydrogen and Oxygen, 616

Mica, Use of, at the Chicago Exhibition, 615
Michael (A. D.), Association between Gamasids and Ants, 164
Michelson (A. A.), Measurement of Jupiter's Satellites by
Interference, 160

Michigan Mining School, 88

Micrometic Measurements, on the Influence of Ring and
Disk Blinds in, Dr. Walter Wislicenus, 137
Microscopy: Sir W. J. Sendall's Apparatus for making Accurate
Measurements with Camera Lucida, 46; the Leach Lantern
Microscope, W. I. Chadwick, 47; Microscopic Structure of
Hard Steel, Behrens, 48; Photography Applied to the
Microscope, F. W. Mills, 77; the Kenal Organs of Certain
Decapod Crustacea, W. F. R. Weldon, 140; Nephridium of
Lumbricus and its Blood-supply, Dr. W. B. Benham, 140;
Pelomyxa viridis, Dr. A. G. Bourne, 140; the Medusæ of
Millepora Murrayi and the Gonophores of Allopora and
Distichopora, Dr. S. J. Hickson, 140; the Formation and
Fate of the Primitive Streak in the Frog, Dr. A. Robinson and
R. Assheton, 140; Some Points in Development of Scorpio
fulvipes, M. Laurie, 140; the Occurrence of Pseudopodia in
Diatomaceous Genera Melosira and Cyclotella, J. G. Grenfell,
140; the Resolution of Amphipleura pellucida, J. W. Gifford,
143; a New Form of Mechanical Stage, H. Bernard, 239;
Resolution of Podura, Hon. J. G. P. Vereker, 239; the late Dr.
Carpenter's Microscope and its Revelations, Seventh Edition
of, by Rev. W. H. Dallinger, F. R.S., Prof. E. Ray Lankester,
F.R.S., 313; Manipulation of the Microscope, Edward
Bausch, 342; Wandering Cells in Echinoderms, &c., H. E.
Durham, 450; the Excretory Processes in Marine Polyzoa,
S. F. Harmer, 450; the Differentiation of Leprosy and Tubercle
Bacilli, Chas. Slater, 450; Onchnesoma Steenstrupii, A. E.
Shipley, 450; Note on a Sieve-like Membrane across Oscula of
a Species of Leucosolenia, E. A. Minchin, 450; the Develop-
ment of the Oviduct in the Frog, E. W. MacBride, 450; the
Nauplius Eye persisting in some Decapods, Margaret Robinson,
450; a New Genus of Synascidians from Japan, Oka and
Willey, 450; Microscopic Structure of Oolitic Iron from
Lorraine, M. Bleicher, 504; the Calculable Limit of
Microscopic Vision, Prof. Czapski, 575; on the Microscopic

Supplement to Nature,
June 2, 180/ature,]

Structure and Residues Insoluble in Hydrochloric Acid in the
Devonian Limestone of South Devon, Edward Wethered,
597

Migration of the Lemming, F. Howard Collins, 149; W.
Duppa Crotch, 199, 294; Prof. Geo. J. Romanes, F.R.S.,
249; W. Mattieu-Williams, 294

Milk, R. Henry Rew on the Statistics of the Production and
Consumption of, in Great Britain, 614

Milk and Diphtheria, Dr. R. Thorne Thorne, 123

Milky Way, the Grouping of Stars in the Southern Part of the,
H. C. Russell, F.R.S., 423

Milky Way, New Star in the, Ralph Copeland, 325

Mill (Dr. Hugh Robert): The Realm of Nature, 390; appointed
Librarian to Royal Geographical Society, 566
Miller (Dr. A. K.), Frangulin, ii., 214

Miller (T. Hugh), an Introduction to the Differential and
Integral Calculus, 52

Mills (F. W.), Photography applied to the Microscope, 77
Milne (Prof. John, F.R.S.), Seismometry and Engineering in
Relation to the Recent Earthquake in Japan, 127
Mimicry, Topical Selection and, David Syme, 30; Dr. Alfred R.
Wallace, 30

at

Minchin (E. A.), Note on a Sieve-like Membrane across Oscula
of a Species of Leucosolenia, 450
Mineralogy: Mineralogical Society, 19; Boleite, a New
Mineral, 23; New Analysis of Uraninite, W. F. Hillebrand,
119; the Koh-i-Nur, Prof. N. Story-Maskelyne, F.R.S., 5,
126; Dr. Valentine Ball, F.R.S., 126; the Sillimanite Group
and the Part played by Aluminium in the Silicates, W.
Wernadsky, 141; Economic British Minerals the
Chicago Exhibition, 155; Discovery of Uranium in Swedish
Anthracitic Minerals, Baron Nordenskiöld, 209; the Mineral
Wealth of Brazil, 235; Microscopic Structure of Oolitic Iron
from Lorraine, M. Bleicher, 504; Manganese Nodules in the
Marine Deposits of the Clyde Sea-area, Murray and Irvine,
527; the Native Iron of Cañon Diablo, Arizona, M.
Mallard, 575

Mines, Copper, of French Congo, 135

Mines and Mining, a Handy List of Books on, 116

Mines, Royal School of, 257

Mining, Electricity in Relation to, Ernest Scott, 184

Mining, the Michigan School of, 88

Mining in Russia, Mercury, 305

Mining, Tin, in Mergui, 496

Minor Planets, the Elements of the, Dr. Paul Lehmann, 42
Missouri Botanical Garden, Pupils at the, 88

Mistletoe to its Parent Tree, the Relation of the, Dr. G.
Bonnier, 421

Misunderstanding, a Possible, Thos. H. Blakesley, 441
Mitchell (Hubbard Winslow), Evolution of Life, or Cause of
Change in Animal Forms, *364

Mitchell (J. C.), the Lateral Sense-organs of Elasmobranchs, 239
Mivart (Dr. St. George, F.R.S.), Implications of Science, 60,
82, 222, 343

Mix (C. L.), Milk-ferment identical with Kefyr in use in
Canada and United States, 471
Model, Wave Motion, F. Cheshire, 347
Moissan (Henri): Two New Phospho-iodides of Boron, 67;
Phosphides of Boron, 136; Action of Alkaline Metals on
Boric Acid, 408; the Preparation of Amorphous Boron, 421;
the Properties of Amorphous Boron, 527; Crystallization of
Tetra-iodide of Carbon, 209; Colour and Spectrum of Free
Gaseous Fluorine, 260

Molecular Velocity, Relation of Voltaic Electromotive Force
to, Dr. G. Gore, F.R.S., 596

Molecular Weight of Gadolinia, 237

Monck (W. H. S.), Proper Motions of the Stars, 8
Monckton (H. W.), Gravel South of the Thames, Guildford to
Newbury, 263

Monkeys, Tender Feeling in, Robert Morley, 350

Monteiro (Rosa), Delagoa Bay, its Natives and Natural History,
124

Montelius (Prof.), the Chronology of the Neolithic Age in
Scandinavia and the Bronze Age in the East and Southern
Europe, 39

Moon, a Double, Rose Mary Crawshay, 224
Moon, Eclipse of the, Robert C. Leslie, 53

Moon, Photography of the Eclipsed, 117

Moon, the Recent Eclipse of the, Mrs. R. M. Crawshay, 134
Moon, Secular Acceleration of the, and the Length of the
Sidereal Day, 137

Moore (C. B.), Opening a Burial Mound in Florida, 567
Moreno (Señor), Discovery of Aboriginal Skulls in the Argen-
tine, 278

Morgan (C. Lloyd), Animal Sketches, 291

Morgue, the, in Paris, 116

Moritz (E. R.) and G. H. Morris, a Text-book of the Science
of Brewing, 100

Morley (Robert), Tender Feeling in Monkeys, 350
Morris (D.), the Icerya Purchasi at St. Helens, 115
Morris (D.), on the Phenomena concerned in the Production of
Forked and Branched Palms, 598

Morris (G. H.) and E. R. Moritz, a Text-book of the Science of
Brewing, 100

Morris (Prof.), on Universities in Australia, 426
Morrison (Dr. Joseph), Solar Heat, 589

Moseley (Henry Nottidge, F.R.S.): Death of, 64; Obituary
Notice of, Prof. E. Ray Lankester, F. R. S., 80
Mossman (R. C.), Silver Thaw at Ben Nevis Observatory, 378
Moths, Silk producing, Colonel Swinhoe, 38

Moureaux (Th.), Absolute Values of Magnetic Elements on
January 1, 1892, 264; Magnetic Perturbation of February
13-14, 1892, 408

Mueller (Baron von), the Protection of Birds in Victoria, 280;
Diagnoses of New Papuan Plants, 496

Muir (Prof. M. M. Pattison), Outlines of Theoretical Chemistry,
Lothar Meyer, 601

Muir (Dr. Thomas): appointed Superintendent-General of Edu-
cation for Cape Colony, 443; the Theory of Determinants in
the Historical Order of its Development, 481
Muirhead (Lieutenant B. A.), a Plague of Frogs, 30

Müller (Dr.): on the Telluric Spectrum, 21; Photometric Ob-
servations, 90

Müller (Dr. Fritz), Dismissal of, 156

Müller (Dr. Hugo, F. R.S.), the Chemistry of Paints and Paint-
ings, A. H. Church, F.R.S., 241

Muller (P. T.), a Study of the Velocity of Decomposition of
Diazo-Compounds by Water, 480

Munro (J.), Heroes of the Telegraph, 5

Muntz (A.), the Ammonia in the Air and Rain of a Tropical
Region, 143; Ammonia in Rain-Water, 336
Murchison (Sir Roderick), Centenary of, 398

Murray (D.) on Mr. Lindsay's Expedition in Western Aus-
tralia, 425

Murray (Dr. John), Manganese Nodules in the Marine Deposits
of the Clyde Sea-Area, 527; Deep-Sea Deposits, 409
Murray (Dr. T. S.), Electrolysis of Potassium Acetate Solu-
tions, 93

Muscat, Projected Tidal Observatory at, 134
Musical Instruments, the Bow as Origin of Stringed, Dr. E.
B. Tylor, 184

Museum of Natural History, Paris, Reorganization of, 183
Museum, the Science, and the Tate Gallery, 385, 433
Museum, Proposed County, for Bucks, 114
Museums of the Future, G. B. Goode, 421
Museums, Typological, General Pitt-Rivers, 184
Mussel-poisoning in Tierra del Fuego, M. Segers, 134
Mycology: British Edible Fungi, M. C. Cooke, 75

Nachtigal (Gustav), Bust of, 566

Nacreous Clouds, T. W. Backhouse, 365
Naden (Constance), Further Reliques of, 389
Nathorst (Dr. A. G.), Fresh Evidence Concerning the Distri-
bution of Arctic Plants during the Glacial Epoch, 273
National Electric Light Association, Fifteenth Convention of
the, 470

Natural History: Opportunity for a Naturalist, Dr. P. L.
Sclater, F. R.S., 174, 269; Reorganization of Paris Museum
of Natural History, 183; Natural History of Isolated Ponds,
Clement Reid, 325; Obituary Notice of Henry Walter
Bates, Naturalist of the Amazons, 398; the Horse, a Study in
Natural History, William Henry Flower, F.R.S., 436;
Natural History Society of Buda Pesth, 471; Preference of
certain Birds for certain Trees, 471; the Naturalist in La
Plata, W. H. Hudson, Dr. Alfred R. Wallace, 553; the
Gradual Extinction of many Species of Lepidoptera in the
Fens, 567

Natural Science, 421, 521

Natural Science to Art, on the Relation of, Prof. E. du Bois-
Reymond, F.R.S., 200, 224; W. Ainslie Hollis, 319
Natural Waters, the Salts in, 78; F. H. Perry Coste, 176;
Robert B. Hayward, F.R.S., 176

Nature, L'Électricité dans la, Georges Dary, 460
Nature, La Place de l'Homme dans la, T. H. Huxley, 197
Nature, Man in, Paul Topinard, 457

Nature, Man's Place in, Prof. N. S. Shaler, 220
Nature, the Realm of, Hugh Robert Mill, 390
Nature Teachings, Cyclopædia of, H. Macmillan, 248

Navajo Indians, Weaving as practised by the, Dr. Shufeldt, 260
Naval Architects, Institution of, 570

Nebulæ, some Apparently Variable, Lewis Swift, 261
Nebulæ near Merope, Measures of the, 352

Nebula and Star Clusters, Observations of, M. Bigourdan,
352

Nebula, Variability of, Dr. Lewis Swift, 522

Neesen (Prof.), Measurements of Latent Heats of Evaporation
by means of a Condensation Calorimeter, 456
Negreano (D.), Variation, with Temperature, of Dielectric
Constant of Liquids, 408

Neolithic Age in Scandinavia, Chronology of the, Prof.
Montelius, 39

Nephrite Axe found at Ohlau, Silesia, the, Dr. O. Schoetensack,
379

Neptune, the Discovery of, Prof. Holden, 522

New Forest Bill, the, H. Goss, 295

New Forest in Danger, the, Herbert Goss, 343
New Fragments, John Tyndall, F. R. S., 508

New Guinea, British, J. P. Thomson on Recent Explorations
and Discoveries in, 425

New Guinea, Geology of, R. L. Jack, 209

New South Wales: the Acclimatization of the Avocado Pear
in, F. Turner, 66; Scientific and Technical Education in,
88; Tea Culture in, W. T. Robertson, 260

New York Mathematical Society, 124; Bulletin of the, 341
New York and Philadelphia, Proposed Ship Canal between,
Prof. L. M. Haupt, 497

New York Scientific Alliance, the, 544
New York State, Earthquake in, 259

New Zealand Alps, with Axe and Rope in the, Geo. Ed. Man-
nering, Prof. T. G. Bonney, F.R.S., 147

New Zealand, on a Recent Discovery of the Remains of Extinct
Birds in, Prof. Henry O. Forbes, 416

New Zealand Region, Aphanapteryx in the, Prof. Henry O.
Forbes, 580

Newcomb (Prof.), Periodic Perturbations of the Four Inner
Planets, 548; N. P.D.'s observed with Greenwich and
Washington Transit Circles, 548

Newton (Prof. Alfred, F.R.S.), Ornithology of the Sandwich
Isles, 465, 532

Newton (Prof. H. A.), Capture of Comets by Planets, 186
Nicaragua, Earthquake in, 471

Nicholson (A. C.), High-level Glacial Grounds near Oswestry,
165

Nickel Heat Engine, W. B. Croft, 392; Rev. Frederick J.
Smith, 464

Nile, Reported Discovery of Ultimate Source of, 154

Nitrogen, Results of Experiments at Rothamsted on the
Question of the Fixation of Free, Dr. J. H. Gilbert, F.R.S.,
32

Nitrogen, the Urinary Secretion of, Dr. Gumlich, 599
Noble (Capt. A., F. R.S.), First Visible Colour of Incandescent
Iron, 484

Nomenclature in Biology, Suggestions for securing Greater Uni-
formity of, Prof. T. Jeffery Parker, F.R.S., 68
Nomenclature, Botanical, Dr. Otto Kuntze, W. Botting Hems-
ley, 169

Nomenclature, Scientific, H. St. A. Alder, 104
Non-Euclidian Geometry, Prof. H. Poincaré, 404
Non-Metallic Chemistry, Synopsis of, W. Briggs, 604
Nordenskiöld (Baron), Discovery of Uranium in Swedish An-
thracitic Minerals, 209

Norfolk and Norwich Naturalists' Society, 567
North (Marianne), Recollections of a Happy Life, 602

North America, Nature and Man in, Prof. N. S. Shaler, 220
North Atlantic Weather Charts, Synoptic, 444

Nova Auriga, Observations of the Spectrum of, Dr. Henry
Crew, 569

Nova Auriga, Spectrum of, E. W. Maunder, 616
Nova Cygni, Photographs of the Region of, 617

Novelists, Techical Education for, 487

Nuovo Giornale Botanico Italiano, 46, 478

Nurhagi of Sardinia, Dr. Ermling on the, 114

Nuttall (Zelia), Ancient Mexican Shields, 520

Oak, The, a Popular Introduction to Forest Botany, H. Marshall
Ward, F.R.S., 509

Object Glasses, Diffraction Effects produced by placing Screens
in Front of, Prof. Pritchard, 237
Objective Prism, the, Prof. Pickering, 521
Objectives, Telescopic, A. Fowler, 204

Observatories: Proposed Removal of Madras Observatory, 258;
Report of the U.S. Naval Observatory, 352; the Warner
Observatory, 422; Cordova Observatory, 446; Photography
at the Cape Observatory, D. Gill, 600

Observatories, Meteorological: Projected Tidal Observatory at
Muscat, 134; Blue Hill Meteorological Observatory, 418
Oddone (Dr. Emil), on Earth Vibrations, 510

Ogilby (J. D.), Dr. Stirling's new Australian Animal (Noto-
ryctes typhlops), 135

Ohio, Excavations of the Prehistoric Mounds in, 20

Ohio Discovery of Remarkable Prehistoric Tomb, 157; the
Geology of, in connection with the Average Yield of Wheat,

420

Oka (Asajiro), a New Genus of Synascidians from Japan, 450
Olive Culture in Australia, Principal J. L. Thomson, 135
Olliff (A. S.), the Plague Locust of New South Wales, 520
Ontario, Grape Culture in, 209

Opium Question, the, G. H. M. Batten, 545

Opossum, Ring-tailed, Curious Death of a, J. E. Dixon, 88
Optics Optical Proof of the Existence of Suspended Matter in
Flames, on an, Sir G. G. Stokes, F.R.S., 133; Optical
Determination of High Temperatures, H. Le Chatelier, 360;
Optics of Photography and Photographic Lenses, J. Traill
Taylor, 364; Optical Lantern as an Aid in Teaching, C. H.
Bothamley, 437; the Simplest Equivalent of a Given Optical
Path, Dr. J. Larmor, 503; an Aerial Graphoscope for showing
Effects of Persistence of Vision, E. S. Bruce, 574; the Dis-
persion of the Ultra-red Rays, Dr. Rubens, 576
Orange, Double, Gerald B. Francis, 534, 607

Organic Chemistry, a Hand-book of Industrial, Samuel P.
Sadtler, 125

Orientation of Ancient Monuments, Rev. Fred. F. Grensted, 464
Orientation, a Preliminary Statement of an Investigation of the
Dates of some of the Greek Temples as derived from their,
F. C. Penrose, 395

Origin of the Year, J. Norman Lockyer, F.R.S., 487
Orkneys, Supernumerary Rainbows Observed in the, Robert H.
Scott, F.R.S., 223; M. Spence, 223

Ornithology: Migratory Birds passing over Dublin, 20; the
Prairie Larks and Cranes of Manitoba, E. E. Thompson,
135; Intelligence in Birds, A. Wilkins, 151; Bird Gallery
in the British Museum, 154; Capture of a Spotted Eagle near
Colchester, 158; Threatened Extermination of Kentish Plover,
W. Verner, 236; Spotted Eagle, Pratt and Son, 259 ;
Additional Observations on Development of Apteryx, T. J.
Parker, F.R.S., 311; Utilization of Homing Pigeons, W. B.
Tegetmeier, 320; Harrow Birds, G. E. H. Barrett-Hamilton,
342; Nest of Eggs of Bird of Paradise, A. J. Campbell,
379; Remarkable Case of Humming Birds Nesting and
Hatching in a Drawing-room, 383; Torpid Cuckoo, A. Holte
Macpherson, 416; a Swan's Secret, Mrs. Jessie Godwin-
Austen, 416; on the Origin of the Struthious Birds of
Australasia, Prof. Hutton, 425; Ornithology of the Sandwich
Isles, Prof. Alfred Newton, F.R.S., 465, 532; Albert F.
Calvert, 485, 558; J. E. Harting, 532; Preference of Certain
Birds for Certain Trees, 471; White's Thrush (Turdus
varius), H. Seebohm, 479; Tame Jackdaws, E. C. Green, 545;
the Great Skua in Shetland, W. E. Clarke, 545; Depredations
of the Great Bower Bird in Northern Queensland, 588
Orthochromatic Plates for Astronomical Photography, M. M.
Fabre and Andoyer, 280

Orthography of Geographical Names, 186

Osmond (M.), and the Alloys Research Committee of the Insti-
tution of Mechanical Engineers, 22

Ostwald (Prof. W.), Theory of Solutions, 193, 293, 415, 606;
the Magnetic Rotation of Dissolved Salts, 383; the Dissocia-
tion of Nitrogen Peroxide, 383; Recent Advances in Physical
Chemistry, 590

O'Sullivan (C. C.), Gedda Gums, the Dextro-Rotatory Varieties,
93

O'Sullivan (J.), Specific Rotatory and Cupric Reducing Power
of Invert Sugar and of Dextrose obtained from Cane Sugar
by means of Invertase, 551

Oudemans (Dr. A. C.), the Great Sea Serpent, 614
Oudemans (J. A. C.), Levels, 240

Supplement to Nature,
June 2, 1892

Ouse, the, A. J. Taylor, 102

Owens (Prof. W. G.), Report of Solar Halos and Parhelia,
518

Oxford: Election of Mr. E. R. Lankester to the Linacre Pro-
fessorship, 183

Oxford, Pass Examination Papers, a Defect in the, 443
Oxford University, Junior Scientific Club, 455, 503

Oxford University Museum, Fourth Annual Report of the Dele-
gates of the, 572

Oxide, Phosphorous, A. E. Tutton, 446

Oxyden and Hydrogen, Silent Combination of, Prof. Victor
Meyer and Herr Askenasy on, 616

Oyster Culture in Queensland, Saville-Kent, 66
Oysters at the Antipodes, 43

Ozone by Electric Silent Discharge, Experiments on the Pro-
duction of, Siemens and Halske, 39

Pacific, Eastern, Dredging Operations in the, Prof. Alex.
Agassiz, 281

Page (Mr. F. J. M.), Appointed to Chair of Chemistry and
Physics at London Hospital, 566

Palatability, Comparative, E. B. Titchener, 53

Palæolithics: a Curious Stone Hammer found in the Thames,
G. F. Lawrence, 324

Paleolithic and Neolithic Period, the Continuity of the, J. A.
Brown, 503

Palæontology: Catalogue of Fossil Birds in the British Museum,
R. Lydekker, 33; Discovery of Mammalian Tooth near
Hastings, 39; some Eurypterid Remains from Upper Silurian
Deposits of Portland Hill, Malcolm Laurie, 239; the Sil-
chester Remains, Herbert Jones, 259; Fresh Evidence Con-
cerning the Distribution of Arctic Plants during the Glacial
Epoch, Dr. A. G. Nathorst, 273; on a Recent Discovery of
the Remains of Extinct Birds in New Zealand, Prof. Henry
O. Forbes, 416; Discovery of Remains of Prehistoric Animals
in Endsleigh Street, Dr. H. Hicks, F.R.S., 566; Aberrant
Fossil Ungulates of South America, 608

Palms, on the Phenomena Concerned in the Production of
Forked and Branched, D. Morris, 598

Pamely (Caleb), Colliery Manager's Hand-book, 77
Pamir, Le, et sa Faune lépidoptérologique, 115
Pamirs, a Journey across the, 90

Pamirs, Journeys in the, and Adjacent Countries, Capt. F. E.
Younghusband, 353

Pantelleria: Earthquakes at, 120; the October Eruption,
North-West of, G. W. Butler, Prof. John W. Judd, F.R.S.,
154; on the Matter thrown up during the Submarine
Eruption North-West of, October 1891, Gerard W. Butler,
251; Geo. H. Perry, 251; Abstract of Mr. A. Ricco's
Account of the Submarine Eruption North-West of, October
1891, G. W. Butler, 584; Geology of, G. Jervis, 207
Paper-making Industry in the United States, the, J. F. Hobart,
279

Parasitic Fungi and Moulds, G. Massee, 411

Paris Academy of Sciences, 23, 47, 71, 95, 120, 143, 167, 192,
215, 239, 264, 287, 311, 336, 360, 384, 408, 431, 456, 480,
504, 527, 552, 575, 599, 624; Astronomy at the, March 21,
522; April 11, MM. Périgaud and Boquet, 589; the Morgue
in, 116; Paris Museum of Natural History, Prof. Chauveau's
Laboratory, 86; Reorganization of, 183; 1889 Annals of
Meteorological Office of Paris, 208; Les Fleurs à Paris,
Culture et Commerce, Philippe L. de Vilmorin, 510
Parke (Thos. Heazle), My Personal Experiences in Equatorial
Africa as Medical Officer of the Emin Pasha Relief Expedi-
tion, 265

Parker (J.), Elementary Thermodynamics, 314

Parker (Prof. T. Jeffery, F.R.S.): Suggestions for securing
Greater Uniformity of Nomenclature in Biology, 68; Ad-
ditional Observations on Development of Apteryx, 311
Parmentier (F.), Chlorosulphide and Bromosulphide of Lead,
384

Parry (John), the Spectrum of Iron and the Periodic Law, 253
Pasco (Captain), on Early Discoveries in Australia, 425
Pasquale (F.), a New Carpellary Theory, 478; a New Theory of
the Morphology of the Carpel in Flowering Plants, 546
Passmore (F. W.), the Aconite Alkaloids, iii., 525
Pathology: a Text-book of Chemical Physiology and Pathology,
W. D. Halliburton and Dr. E. H. Starling, 51; Prevention
of Hiccough by Pressure on the Phrenic Nerve, M. Leloir,
312; Animals rendered immune to Anthrax, Dr. Th. Weye,
312; a New Epidemic in Vienna, 349; the Differentiation of

Leprosy and Tubercle Bacilli, Chas. Slater, 450; the Tuber-
cular Vaccination of the Dog, Héricourt and Richet, 576
Paton (Dr. Noel), Action of the Auriculo-Ventricular Valves,
311

Paul (R. W.), some Electrical Instruments, 574
Peabody (Cecil H.), Thermodynamics of the Steam Engine and
other Heat Engines, Prof. A. G. Greenhill, F. R.S., 172
Peach (B. N.), the Olenellus Zone of the North-West Highlands,
453

Pear in New South Wales, the Acclimatization of the Avocado,
F. Turner, 66

Peary (Lieut.), Proposed Expedition for Relief of, 183
Peat-bog Eruptions, Herr Klinge, 472

Pechard (E.), the Estimation of Molybdenum, 336

Peculiar Eyes, Jas. Shaw, 104; G. K. Gude, 151; E. B.
Titchener, 177

Peek (Cuthbert G.), Fuzziness of some Variable Stars, 497
Pekelharing (Prof.), Composition of Fibrin Ferment, 408;
Coagulation of the Blood, 600

Penfield and Wells (Messrs.), Remarkable Series of Compounds
of Halogen Salts of Caesium with Two or more Atoms of
Chlorine, Bromine, or Iodine, 325

Penrose (F. C.), a Preliminary Statement of an Investigation of
the Dates of some of the Greek Temples as derived from their
Orientation, 395

Percival and Co., Simple Proof of Euclid II. 9 and 10, 250
Perfume Farming in Victoria, Experimental, 305

Périgaud (M.), Astronomy at the Paris Academy, April 11, 589
Periodic Law, the Spectrum of Iron and the, John Parry, 253
Periodic Perturbations of the Four Inner Planets, Prof. New-
comb, 548

Periodic Variations in Latitude, Chandler, 589

Perkin (A. G.), Action of Nitric Acid on Oxanilide and its
Analogues, 551

Perkin (Dr. W. H., F.R.S.), Magnetic Rotary Powers of Solu-
tions of Ammonium and Sodium Salts of Fatty Acids, 92
Perkin (W. H., Jun.), Synthesis of Hexahydroterephthalic Acid,
383; a New Acid from Camphoric Acid, 551

Perkins (R. C. L.), selected to Investigate the Zoology of
the Sandwich Islands, 322

Pernter (Dr. J. M.), the General Circulation of the Atmosphere,
593

Perot (A.), on Hertz Oscillations, 336

Perry (Geo. H.), on the Matter thrown up during the Sub-
marine Eruption North-West of Pantelleria, October 1891,
251

Perry (Prof. J., F.R.S.), Struts and Tie-Rods Laterally
Loaded, 192; Choking Coils, 524

Perseids observed in Russia in 1890, Th. Bredichin, 597
Persia and Kurdistan, Journeys in, Mr. Bishop, 248
Personal Equations in Transit Observations, 617

Peru, Central, Mr. Alexander Ross's Journey to Head Waters
of the Ecayali, 519

Petermann's Mitteilungen, 588

Petrie (W. M. Flinders), Prehistory of Egypt, 580
Pevtsoff (General), Tibet Expedition, 45

Pfaff's Allgemeine Geologie als Exacte Wissenschaft, J. Joly,
126

Pfeiffer (Herr), Measurements of Process of Dissolution of Glass
in Water by Change in Conductivity of Latter, 209
Pharaohs, Egypt under the, H. Brugsch-Bey, 363
Pharmaceutical Society at Edinburgh, 88
Phasemeter, a, John Trowbridge, 622

Phenomenon, a Rare, Alex. Graham Bell, 79

Philadelphia and New York, Proposed Ship Canal between,
Prof. L. M. Haupt, 497

Philosophical Notes on Botanical Subjects, E. Bonavia, 483
Phoronomy, Dr. W. H. Besant, F. R. S., 462; A. B. Basset,
F.R.S., 486; M. Am Ende, 486
Phosphorous Oxide, A. E. Tutton, 446

Photography: Photographic Pastimes, a Hand-book for Ama-
teurs, by Hermann Schnauss, 5; Praktisches Taschenbuch
der Photographie, Dr. E. Vogel, 51; Geological Photographs,
64; Applied to the Microscope, F. W. Mills, 77; Colour
Photography by Lippmann's Process, 119; Aluminium and
its Application to Photography, G. L. Addenbrooke, 134;
a Shutter for Use in Stellar Photography, J. Joly, 167;
Chronophotography, or Photography as Applied to Moving
Objects, 228; Use of Chronophotography for Study of Aerial
Locomotive Machines, Marey, 71; Orthochromatic Plates for
Astronomical Photography, MM. Fabre and Andoyer, 280;