Microbe of Indigo, E. Alvarez, 360
Microbi, Fermenti e, Prof. Giglioli, Dr. E. Klein, F.R.S., 316
Micrometric Measures of Jupiter and Saturn, Dr. Doberck, 65
Microscopy: Microscopic Structure of Caucasian Rocks, Prof.
T. G. Bonney, F.R.S., 70; Journal of the Royal Microsco-
pical Society, Retrospective and Prospective, 78; Sections of
Brugmansia Lowii, Deby, 167; the History of the Micro-
scope, J. Mayall, Jun., 167; My Microscope, 364; Elemen-
tary Microscopical Technology, Frank L. James, 481
Middlemiss (C. S.), Remarkable Hailstones, 44
Middlesex Natural History and Science Society, 83, 160
Miethe and Goedecke, New Discovery in Connection with In-
stantaneous Photography, 144

Migration of Birds at Lighthouses and Light-vessels, Report of
B. A. Committee for the Purpose of obtaining Observations
on the, 516

Migrations of Pre-Glacial Man, 245; Dr. Henry Hicks, F. R.S.,
269, 599

Mill (Dr. Hugh Robert), Temperature of the Clyde Sea-Area,
37, 56

Miller (Hugh), Comparative Study of the Till or Lower
Boulder-Clay in several of the Glaciated Countries of Europe,
573

Millis (C. T.), Metal Plate Work, 340

Mills (T. Wesley): Outlines of Lectures on Physiology, 28;
Medicine in McGill University, 198

Milne (Prof.): the Protection of Buildings from Earthquakes, 89;
Effect of Earthquakes upon Lower Animals, 350
Mineralogy: Artificial Crystallization of Magnetite, Alex.
Gorgeu, 43; Zircon and other Minerals con'ained in Sand,
Allan B. Dick, 91; Mineralogical Society, 143; Minerals at
the American Exhibition, 381; Mineralogical Constitution of
Calcareous Organisms, Vaughan Cornish and Percy F.
Kendall, 571; Mineral Wealth of the United States, Dr. A.
E. Foote, 619

Mines, Relation of Coal-Dust to Explosives in, Arthur Watts,

221

Mining Industry of New Zealand, Report on the, 265;
Hand-book of New Zealand Mines, 265

Mining Industries of the United States, Report on the, R.
Pumpelly, 315

Minor Planets: New, 90, 161; Herr Palisa, 527; Dr. Peters,
588; Dr. Knorre, 616; Minor Planet No. 266, 138; Minor
Planet No. 297, 455; Orbit of the Minor Planet Eucharis,
Dr. W. Valentiner, 77

Mirage, Dr. Chas. O. Trechmann, 197

Miryeks or Stone Men of Corea, Prof. de Lacouperie, 615
Mislawsky, Electric Excitement of Liver, 408

Mitteilungen of the German African Society, 91

Modern Views of Electricity, Dr. Oliver J. Lodge, F.R.S., 532,
559, 582

Mohn (Prof. H.) Meteorology of the North Ocean, 208

Molecular Condition of Phosphorus, Arsenic, and Antimony,
Prof. V. Meyer, 231

Moloney (Alfred), Forestry of West Africa, 387

Monatsbericht der Deutschen Seewarte, 159

Monkeys opening Oysters, Alfred Carpenter, 53

Monsoon Rainfall in Ceylon, G. J. Waring, 214

Monographs of United States Geological Survey, 256

Mont Blanc, Centenary of First Ascent of, 453

Montessus (M. de), Note on the Method of Research for
Correlation between Two Orders of Facts, 23

Moon, Influence of the, upon Vegetation, 586
Moon and the Weather, J. W. Oliver on, 618

Moore (Dr. John William), a Meteor's Flash and Explosion,
508

Moorshedabad, Technical Education in the, 614

Moraines, Terminal, of the Great Glaciers of England, Prof. H.
Carvill Lewis, 573

Morainie Lakes in Central England, on some Important Extra-,
Prof. H. Carvill Lewis, 573

Mordovians, Juridical Customs of the, Mainoff, 400
More, A. G., 374

Morera (G.), on the Normal Derivatives of the Potential
Function of Surfaces, 455

Morocco, Southern, Troglodyte Remains in, 542

Morphinomania in Animals, 24

Morphology of the Muscles, M. Marey, 504

Morris (D.), Botanical Federation in the West Indies, 135-
Morrison Observatory, 455

Morse (Prof.), What American Zoologists have done for Evolu-
tion, 398

Mossamedes, on a Collection of Mammals made at, Dr. Jentink,
117

Moths at High Water, Disappearance of, J. T. Carrington,
137

Motion, Newton's Laws of, 366

Motion, Proper, of Ll 26481, J. Tebbutt, 564
Motive Force of the World, 615

Mott (F. T.), Dying Fish, 222

Mouchez (M.), Paris Observatory, 112; Photographic Chart of
the Heavens, 287

Moughton Fell, near Settle, Yorkshire, on the Discovery of
Carboniferous Fossils in a Conglomerate at, Robert Law and
Jas. Horsfall, 571

Mount Lebanon, Fossil Fishes of, 132

Mount Loa Craters, History of the Changes in the, James D.
Dana, 551

Muir (M. M. Pattison), on the Teaching of Chemistry, 536
Muir (Thomas), Recent Works on the Theory of Determinants,
51

Muirhead (Lewis P.), "After-Glows" at Helensburgh, 175
Müller (Prof. F. Max), Thought without Words, 100; No
Language without Reason, no Reason without Language,

Nancy, Shower of Ants at, 349

Naphthalene Derivatives, Isomeric, Report of the B. A. Com-
mittee on, 516

Narcissus reflexus, W. Brockbank, 70

Nasal Obstruction, Three Lectures on the Forms of, in Rela-
tion to Throat and Ear Disease, Greville Macdonald, 603
Nathorst (Prof. A. G.), Discovery of Fossil Remains of an
Arctic Flora in Central Sweden, 211

National Fish-Culture Association, 89
Nations, the Health of, Edwin Chadwick, Benjamin Ward
Richardson, 385

Natural History Buildings, Owens College, 414

Natural History Collections made near Cameroons, H. H.
Johnston's, 254

Natural History Museum, 279; on a, Prof. W. A. Herdman,
63; Dr. Henry B. Woodward, F.R.S., on the, 345; Col-
lection of Specimens received from Emin Pasha, 539
Natural History in Schools, the Study of, Rev. S. A. Preston,

209

Natural History Society of Wisconsin, III

Natural History of the Roman Numerals, J. Lymburn, 555
Natural History of the Coast of Lancashire, Dr. Thomas
Alcock, 526

Natural Science in Board Schools, Proposed Elementary Evening
Classes, 254

Natural Science Courses, Vacation, in Edinburgh, 230
Naturalists, Eminent, Thos. Greenwood, 293

Nature, Art, and Literature, Precious Stones in, S. M. Burn-
ham, 482

Nature, Music in, Dr. William Pole, F. R. S., 343; A. P. Cole-
man, 605

Nature of Solution, Report of the B. A. Committee on, 516
Nautical Almanac Stars, Magnitudes of, Prof. Pickering, 401
Navassa, Island of, Earthquake in the, 587

Navez (M.), on the Influence of the Various Geological Forma-
tions in Belgium, 617

Nazaroff, on the Fauna of Kirghiz Steppe, 476

Nebula in Lyra, Ring, Variable Star in the, Herr Spitaler, 431
Neesen (Prof.), a Vapour-Calorimeter, 288

Neolithic Period in Europe, Trephining during the, Prof. Victor
Horsley, 117

Nepheline Rocks in Brazil, O. A. Derby, 286

Nephridia of Lanice conchilega, Malmgren, J. T. Cunningham,
162, 246

Nephrolepsis, Radicular Nature of Stolons in, A. Trécul, 408
Nerve Degeneration resulting from Sectional Injury, Prof.
Du Bois Reymond, 48

Nesting Place of Linnets, Singular, H. Vian-Williams, 154
Neuchâtel Observatory, Dr. Hirsch, 477

New England Meteorological Society, 110

New Guinea Proposed Victorian Expedition to explore, 17;
Fall of Volcanic Ashes in, 136; Pioneering in, Rev. James
Chalmers, 255; Exploration of, 351, 620; Discovery of Two
New Rivers in, Th. Bevan, 478

New South Wales: Linnean Society of, 95; the British
Association and, 398; Meteorological Observations made in,
566

New York: Aurora Borealis at, 89; Industrial Education
Association of, 256; Proposed Electrical Exhibition at, 306
New Zealand Industrial Exhibition, 208

New Zealand: Mining Industry of, 265; Hand-book of New
Zealand, 265

New Zealand Cousins, our, Hon. James Inglis, 579

Newcastle-upon-Tyne Public Libraries, 52

Newton (Prof. A., F.R.S.), Opening Address in Section D
(Biology), at the British Association, 462
Newton's Laws of Motion, 366

Nice Observatory, the, M. Faye, 282; M. Perrotin, 543

Nice, Note on the Earthquake of February 23, 1887, at, Bouquet
de la Grye, 336

Nicols (Arthur): a Brilliant Meteor, 30; Thought without
Words, 173

Nicotiana glauca, J. H. Stone, 70

Niesten (L.), Diurnal Nutation, 45

Nilson (Drs. Krüss and), Thorium, 255

Nipher (F. E.), Theory of Magnetic Measurements, 316
Nitrate of Soda, A. Stutzer, 4

Nitro-Paraffins and Alkyl Nitrates, the Reduction- Products of
the, Prof. Dunstan and T. S. Dymond, 570

Nitrogen in Vegetation, the Present Aspect of the Question of
the Sources of, Sir J. Lawes, F.R.S., and Dr. Gilbert, F. R. S.,
570

No Language without Reason-no Reason without Language
Prof. F. Max Müller, 249

Noelting (Dr.) and Dr. Abt, on the Constitution of Azimido
Compounds, 569

Nomenclature of Colours for Naturalists and Compendium of
Useful Knowledge for Ornithologists, Robt. Ridgeway, 124
Nomenclature, Geological, 453

Nordenskjöld's (Baron) Journey across Greenland, 138
Norfolk Broads, a Month on the, Walter Rye, 457
Norfolk and Norwich Naturalists' Society, 376

Norfolk and Suffolk: Notes on the Rivers and Broads of, Harry
Brittain, 457; Hand-book to the Rivers and Broads of, G. C.
Davies, 457

Norfolk, Three Weeks in, J. F. M. Clarke, 457

North American Indians, Report of the B. A. Committee, 520
North American Pictographs, Francis Galton, F. R.S., 155
North Atlantic Expedition, Norwegian, 390

North of England Institute of Mining and Mechanical Engineers,
350

North, Pre-History of the, J. J. A. Worsaae, Dr. John Evans,
F. R. S., 97

Northumberland and Durham, Outlines of the Geology of, Prof.
G. A. Lehour, Prof. A. H. Green, F. R. S., 289
Northwich, the History and Cause of the Subsidences at, and its
Neighbourhood in the Salt District of Cheshire, Thos. Ward,

572

Norway: Large Meteor in, 63; Remarkable Aurora Borealis in,
89; Geological Science in, 111; Bog-Oak in, 185; Gold in,
Dahll, 185; Norwegian North-Atlantic Expedition, 208, 390;
Norwegian Seal-Hunting Expedition, 208; Beaver Colonies
in, 210; Norway's Part in Meteorological Organization, 399;
Hydrography in, 500

Nosiloff (M. Constantin), Proposed Summer Expedition to
Nova Zembla, 129

Nostochineæ, Structure of the, Walter Gardiner, 125

Nova Zembla, Proposed Summer Expedition by M. Constantin
Nosiliff in, 139

Null Method in Electro-Calorimetry, a, Prof. Dr. William
Stroud, 483; Prof. Stroud and Mr. W. W. Haldane Gee,
523

Numbers, on Hamilton's, Prof. J. J. Sylvester, F.R.S., 557
Nuovo Giornale Botanico Italiano, 70, 456

Oaks, Roburoid, the Development of Form in, Franz Krasan, 22
Oberpliocan-Flora aus den Baugruben des Niederrad und
Schleuse bei Hochst a M., T. Geyler and F. Kinkelin,
150
Object-Glasses, New Forms of Construction of, intended for
Stellar Photography, Prof. Edward C. Pickering, 562
Observatories: Ben Nevis, 254, 430; Ben Nevis, and Meteoro-
logical Office Criticisms, Mr. Omond on, 452; Batavia, 184;
Blue Hill, 281; Bombay, 280; Removal of the Brussels, 41;
Cairo, 281; Cordoba, 527; Dearborn, Prof. Hough, 501;
Dorpat, 324; Greenwich, 41; Annals of the Astronomical
Observatory of Harvard College, Edward C. Pickering, 388;
Hong Kong, 349; New Observatory at Juvisy, 455; the
Leander McCormick, Prof. Ormond Stone, 543; Mauritius,
64; Annual Report of Melbourne, 43; Melbourne, 324;
Note on Work carried out at Meudon, J. Janssen, 408; the
Morrison Observatory, 455; Neuchâtel Observatory, Dr.
Hirsch, 477; the Nice, M. Faye, 282; M. Perrotin, 543;
the Oxford, 183; Observatories at Oxford and Cambridge,
181; Paris, M. Mouchez, 112; the Washburn, 564
Ocagne (M. d'), on Numbers Symbolized by KP, 262
Ocean Birds, J. F. Green, Prof. R. Bowdler Sharpe, 435
Ocean Currents: the Kuro Siwo, Prof. Davidson, 283
Oceans, on the Effect of Continental Lands in altering the
Level of the Adjoining, Prof. Edward Hull, F.R.S., 549
Odell (W.), Education in America, 295

Odograph, Endless Tape, Marey, 167

Offret (M. Albert), Earthquake of February 23, 1887, 23, 72
Ohio: Explosion of Natural Gas in, 112; the Serpent Mound
in, 281

Ohm's Law in Electrolysis, on the Accuracy of, Prof. Fitz-
gerald, F.R.S., and F. Trouton, 547

Oil at Sea, on the Use of, Lieut. Underwood, 112; Admiral
Cloué, 167

Olbers' Comet, 1815 I., 504; 1887, W. H. Brooks, 527; Herr
O. Tetens, 588

Oldenbourg (R.), Work on Palæontology, 563

Oldfield (Augustus), the late, 183

Oliver (F. W.), on a Point of Biological Interest in the Flowers
of Pleurothallis ornatus, Rchb. f., 303

Oliver (J. W.), the Moon and the Weather, 618
Olzsewski (Dr. K.): on the Absorption-Spectrum of Liquid
Oxygen and Liquid Air, 42; on the Determination of the
Boiling-Point of Ozone, 42

Omond (Mr.), Ben Nevis Observatory and Meteorological Office
Criticisms, 452

O'Neill (Chas.), the Extent to which Calico-Printing and the
Tinctorial Arts have been affected by the Introduction of
Modern Colours, 569

Onion Crop at the Bermudas, Disease of the, Arthur Shipley,
563

Opium-Poisoning, Animals liable to become addicted to M.
Jammes, 325

Oppel (Dr.), Religious Conditions of Africa, 589

Oppenheim (Dr. H.), Comet 1887 e (Barnard, May 12), 113,
138

Optics: Experiments as to Number of Visual Units in Centre
of Retina, Dr. Wertheim, 384

Optics, Geometrical, a Treatise on, R. S. Heath, J. Larmor,
219

Oranges and Lemons, the Cultivated, of India and Ceylon, E.
Bonavia, 563

Orbit of the Minor Planet Eucharis, Dr. W. Valentiner, 77
Orchid Hybrids, Bigeneric, R. A. Rolfe, 70
Ordnance Survey: on some Defects in the, H. S. Wilkinson,
597; the Utilization of the, Sir Chas. Wilson, 597
O'Reilly (M. F.), Boiling-Point and Pressure, 4

O'Reilly (Prof. J. P.), Recent Earthquakes in Mexico and
Turkestan, 151

Organic Chemistry, Constitutional Formulæ and the Progress
of, 368

Organic Chemistry, Owens College Course of Practical, Julius
B. Cohen, 363

Organic Evolution, Factors of, Dr. George J. Romanes, F.R. S.,

401

Organic Vanadates, J. A. Hall, 570

Origin of the Fittest: Essays on Evolution, E. D. Cope, Dr.
Geo. J. Romanes, F. R.S., 505

Orinoco Explorations, Chauffajon's, 17

Ormerod (Miss Eleanor A.), the Hessian Fly, 439
Ornithology: Ornithological Nomenclature, 64; a Use of
Flowers by Birds, 101; Elliott's Ornithological Collections,
279; Whitehead's Borneo Expedition, 279; Occurrence of
Sterna anglica in Belfast Lough, Prof. Robert O. Cunning-
ham, 582. (See also Birds.)

Orobanches, on the Development of, 552
Outis, the New Degrees at Cambridge, 175

Outlines, Tertiary, on the North Downs, Rev. A. Irving, 531
Ouvrard (L.), Silicates of Thorine, 360

Overwork and Premature Mental Decay, H. F. Routh, 507
Owen (Sir R., F. R.S.), on Skeleton of Meiolania platyceps,
46

Owens College Course of Practical Organic Chemistry, Julius B.
Cohen, 363

Owens College Natural History Buildings, 414

Oxford, Electricity at, 154

Oxford and Cambridge, the Observatories at, 181, 183

Oxygen, Action of Light on the IIydracids of the Halogens
in Presence of, Dr. A. Richardson, 569

Oxygen and Ozone, the Volumetric Relations of, W. A. Shen-
stone and J. T. Cundall, 118

Oyster-Culture in Sweden, III

Oysters, Monkeys opening, Alfred Carpenter, 53

Ozone, Dr. K. Olszewski on the Determination of the Boiling-
point of, 42

Ozone and Oxygen, the Volumetric Relations of, W. A. Shen-
stone and J. T. Cundall, 118

Pagan's (M.), Cable-Anchor, 541

Page (David), Introductory Text-Book of Physical Geography,
195

Pages, Comparative Locomotion, 312

Paleontology: on Skeleton of Meiolania platyceps, Sir R. Owen,
F.R.S., 46; Prof. Huxley on Hyperodapedon gordoni, 94;
R. Oldenbourg's Work on, 563

Palgrave (Mary E.), Pictorial Geography of the British Isles,
580

Palisa (Herr), New Minor Planet, 527

Palmer (Prof. G. A.), Annual Expenditure of Harvard Under-
graduates, 325

Palmieri (Prof. Luigi), on Variations of Intensity in the Dry
Pile, 45

Panton (Prof. J. Hoyes), Places of Geological Interest on the
Banks of the Saskatchewan, 571

Papuan Art, Certain Degenerations of Design in, S. J. Hickson,
599

Papuo and Malayo Melanesians, by A. Featherman, 147
Parallax of a Tauri, Prof. Asaph Hall, 138

Parallax, on the Nature of the Photographic Star-Disks and the
Removal of a Difficulty in Measurements for, Prof. Pritchard,
F.R.S., 523

Parallax of 2398, Dr. E. Lamp, 616

Parasitic, Hydroid, on a Fish, J. Walter Fewkes, 604
Parietal Eye in Fishes, J. Beard, 246, 340

Paris : Astronomical Congress, 7, 54; Academy of Sciences, 23,
72, 95, 118, 143, 167, 192, 215, 240, 263, 287, 312, 336, 360,
382, 408, 432, 456, 480, 504, 528, 552, 576, 600, 614, 623;
Society of Civil Engineers, 63; M. Mouchez, Report on the
Paris Observatory, 112; Rainfall in Paris, Hervé-Mangon,
159; Discovery of Ancient Gaulish Cemetery in, 184; Meeting
of the International Meteorological Committee at, 566
Parkes Museum, 15

Paroxysmal Sneezing, Hay Fever and, Sir Morell Mackenzie,
363

Pasco (Capt. C., R. N.), Antarctic Exploration, 399
Pasteur (M.): and the Paris Academy of Sciences, 254; his
Treatment of Hydrophobia, 207; Report of the Committee
of Inquiry into, 232; an Account of, by Renaud Suzor, 482
Patagones, Remarkable Display of Shooting-Stars at, 15
Patagonia: Ramon Lista's Exploration of, 66; Flora of North,
John Ball, F.R.S., 539

Pavesi (Prof.), the Migrations of the Tunny, 116

Pavie (M.), Return from Tonquin of, 452

Payne (Dr. J. F.), Alphita, a Medico-Botanical Glossary
from the Bodleian Manuscript Selden B. 35, 529

Peak, Shadow of Adam's, R. Abbay, 152; Hon. Ralph Aber-
cromby, 197

Pear-shaped Hailstones, B. Woodd Smith, 102

Pearls, Cocoa-nut, Dr. Sydney J. Hickson and W. T. Thiselton
Dyer, F.R.S., 157; Dr. J. G. F. Riedel, 461

Pearls of Jasminum sambac, Dr. E. Huth, 581
Pebbles, on the Roundings, by Alpine Rivers, with a Note on
their Bearing upon the Origin of Bunter Conglomerate, Prof.
T. G. Bonney, F.R.S., 573

Pecile (Cav. A.), Ethnology of the Ogoway and Lower Congo
Basins, 377

Peckham (Dr.), Wasps, III

Pekin Oriental Society, 375

Peloponnese, Earthquake in the, 587

Pengoldt and Fischer (Drs.), Experiments on the Sensitiveness
of the Sense of Smell, 90

Perception of Colour, C. E. Stromeyer, 246; T. W. Back-
house, 531

Periodical Fluctuation of the Carnatic Rainfall, Eleven-Year,
Henry F. Blanford, F.R.S., 227

Peripatus leuckarti, Habitat of, 324

Perkin (Prof.) and Dr. Cohen, on some New Cinnamic Acids,
570

Permian Fauna of Bohemia, on the, Prof. Anton Fritsch, 591
Perrotin (M.), the Nice Observatory, 543

Perry (Prof. J., F.R.S.), Magnetic Resistance, 262; Magnet
Ammeters and Voltmeters, 263; and Prof. W. E. Ayrton,
F.R.S., the Secohmmeter, 129

Perseids, Early, W. F. Denning, 318

Petermann's Mitteilungen, 17, 91, 162, 257, 283, 348, 478
Peters (Prof. C. H. F.), Flamsteed's Stars, "Observed but not
Existing," 542; Corrigenda in Various Star-Catalogues, 543;
New Minor Planet, 588

Pettenkofer (Herr), Hygienic Instruction in Universities, 524
Peyton (J. E. H.), the Late Earthquake on the Riviera,
February 23, 1887, 151

Pharmaceutical Conference, the British, 429

Pharmacy for 1886, Year-book of, 243

Phengodini, on the Luminous Larviform Females of the, Prof.
C. V. Riley, 592

Phenol Series, Isomeric Change in the, O. R. Ling, 569
Phenomenon, Remarkable, seen on April 26, 1887, E. J.
Lowe, F. R.S., 102

Philippine Exhibition, 231

Philippine Islands, the Flora of the, 14

Philips' Handy-Volume Atlas of the World, 208

Philology Ethnographic Map of American-Indian Dialect, A.
S. Gatschet, 112

Philosophy, Dictionary of, in the Words of Philosophers, 362
Phorodon humuli, Schrank, the Problem of the Hop Plant Louse,
in Europe and America, Prof. C. V. Riley, 566
Photochronography, applied to Dynamic Problem of Flight of
Birds, M. Marey, 480

Photography: Photographic Study of the Stellar Spectra, Prof.
Edward C. Pickering, 31; the A B C of Modern, 52; Carey
Lee on Photography in Natural Colours, 64; Solar Photo-
graphy, G. M. Stanoiéwitch, 72; Photography the Servant
of Astronomy, M. de Gothard, 90; Photography of Cannon-
Balls in motion, 110; Photography of Interior of Living Eye,
Dr. Rosebrugh, 110; Astronomical Photography, Prof. C. A.
Young, 113; Heliochromy and the latest Photographic Image,
M. C. Lee, 115; Photography of Lightning, 137, 160; E. V.
Shepherd, 430; New Discovery in Connection with Instanta-
neous, Goedecke and Miethe, 144; Photograph of a Tornado,
255; Photographic Chart of Heavens, Mouchez, 287; Photo-
graphy of Bacteria, Edgar M. Crookshank, Dr. E. Klein,
F.R.S., 316, 388; Image Transference, M. C. Lee, 480;
Instruments for Stellar Photography, Sir Howard Grubb,
F.R.S., 523; on the Nature of the Photographic Star-Disks,
and the Removal of a Difficulty in Measurements for Parallax,
Prof. Pritchard, F.R.S., 523; Photography: a Set of
Universal 10 per cent. developing Solutions for the Use of
Photographers, 526; New Forms of Construction of Object-
Glasses intended for Stellar Photography, Prof. Edward C.
Pickering, 562; the Photographer's Hand-book, W. D. Wel-
ford, 603; Admiral Mouchez on the Photographic Charts of
the Heavens, 614

Photometer, Wedge, Prof. Pickering, 477

Photometry: Measurement of Luminous Sensations in Function
of the Quantities of Light, Ph. Breton, 480
Phylloxera, Boiteau, 312

Physical Geography, Introductory Text-Book of, David Page,
195

Physical Geology, the Scenery of Scotland viewed in Connection
with its, Archibald Geikie, F.R.S., Prof. A. H. Green,
F.R.S., 553

Physical Society, 22, 94, 142, 191, 262, 288
Physics: Experimental, some Applications of Dynamical Prin-
ciples to Physical Phenomena, Prof. J. J. Thomson, F.R.S.,
45; Experiments on Relation between Curve of Distension of
Elastic Tubes and Rate of Pulse-wave in same, Dr. Grunmach,
48; on the Method of determining Specific Weight of Bodies by
weighing them in Water, Dr. Sommer, 216; on Figures of
Equilibrium of Rotating Masses, Prof. C. H. Darwin, F. R. S.,
358; on Coefficient of Self-Induction of Two Bobbins com-
bined in Quantity, Maneuvrier and Ledeboer, 432
Physics, Elementary Practical, Prof. Balfour Stewart, F. R. S.,
and W. W. Haldane Gee, 241

Physics, Questions on, Sydney Young, 293
Physiology: Experiment for determining the Coefficient of
Nutritive and Respiratory Activity of the Muscles at Work
and in Repose, Chauveau and Kaufmann, 23; Outlines of
Physiology, T. Wesley Mills, 28; on the Termination of
Nerves in the Liver, A. B. Macallum, 69; M. C. Quinquaud's
Investigations of the Influence of Baths on Respiration and
Nutrition, 89; Anatomical Researches on the Physiology of
the Spinal Ganglia, Dr. Joseph, 120; Researches on Reaction-
time for Stimulation and Inhibition, Dr. Gad, 168; the Res-
piratory Centre in Medulla Oblongata, Dr. Lowy, 168;
Physiological Selection, H. K. Rusden, 268; Dr. Geo. J.
Romanes, F.R.S., 341; Physiological Society, 287; Dr.
Goldschneider's Experiments on Reaction-time of Perception
of Temperature, 288; Elements of Physiological Psychology,
Geo. T. Ladd, 290; the Relations between Chemical and
Mechanical Work of Muscular Tissue, A. Chauveau, 382,
408; Researches on the Movements of the Heart, Dr. Martins,
383; Illustrations of the Topography of Sense of Temperature,
Dr. Goldschneider, 383; Respiratory Reflexes originating in
Nasal Mucous Membrane, Dr. Sandmann, 384; Lectures on
the Physiology of Plants, Julius von Sachs, 361; J. L. Prevost
and Paul Binet on the Physiological Action of Cytisus
laburnum, 504

Phytophagous Larvæ and their Surroundings, Further Experi-
ments upon the Colour-Relation between, E. B. Poulton, 594
Picheney (M.), Researches on the Bovine Origin of Scarlatina,
624

Pickering (Prof. Edward C.): on Delicate Calorimetrical Ther-
mometers, 22; Photographic Study of the Stellar Spectra,
31; Annals of the Astronomical Observatory of Harvard
College, 388; Magnitudes of Nautical Almanac Stars, 401;
Wedge Photometer, 477; New Forms of Construction of
Object-Glasses intended for Stellar Photography, 562
Pickering (W. H.), Total Solar Eclipse of 1886, 308
Pictographs, North American, Francis Galton, F. R.S., 155
Picton (Harold), Thought without Words, 124

Pictorial Geography of the British Isles, Mary E. Palgrave,
580

Pig and Kitten, 341

W. L. Elkin, 232; Yale College Measurement of the
Pleiades, A. M. Clerke, 372

Pleurothallis ornatus, Rchb. f., on a Point of Biological Interest
in the Flowers of, F. W. Oliver, 303

Pliocene Beds of St. Erth, Cornwall, Robert George Bell, 591
Pliocene Deposit of Marine Shells near Lattakia, and a Similar
Deposit in the Island of Zante, on the, Dr. Geo. E. Post,
245

Pneumonia, Acute, M. Jaccoud, 23

Polar Globules, on the Signification of the, Prof. August
Weismann, 607

Polarization of Copper, on the, M. Krouchkoll, 119
Polarization, Electrolytic, Experiments on Electrolysis and,
W. W. Haldane Gee, Henry Holden, and Chas. H. Lees,
550

Pole (Dr. William, F. R.S.), Music in Nature, 343
Pollacci (Prof.), Sulphate of Copper as a Remedy against Vine-
Mildew, 262

Polyakoff (Ivan), Obituary Notice of, 205

Polyzoa of the Challenger Expedition, Geo. Busk, F.R.S., 74
Porphyritic Structures, on the Occurrence of, in some Rocks of
the Lizard District, Howard Fox and Alex. Somervail, 590
Porphyry Quarries of Egypt, Account of a Recent Visit to the
Ancient, W. Brindley, 595

Porro (Dr. F.), a Brilliant Meteor, 154

Post (Dr. Geo. E.), on the Pliocene Deposit of Marine Shells
near Lattakia, and a Similar Deposit in the Island of Zante,
245

Postal Tube (Aerial) between Dover and Calais, Proposed,
Arnaudeau, 349

Poulton (E. B.), the Secretion of Pure Aqueous Formic Acid
by Lepidopterous Larvæ for the Purposes of Defence, 593;
Further Experiments upon the Colour-Relation between
Phytophagous Larvæ and their Surroundings, 594; Further
Experiments upon the Protective Value of Colour and Mark-
ings in Insects, 594

Prantl (Dr. K.) and Dr. A. Engler's Work on Die Natürlichen
Pflanzenfamilien, 123

Pratten (Mary A.), My Hundred Swiss Flowers, 267
Pre-Glacial Man, Migrations of, Glaciator, 245; Dr. Henry
Hicks, F.R.S., 269, 599

Prehistoric and Ethnological Museum of Rome, Additions to,
the, Dr. G. A. Collini, 526

Pre-History of the North, based on Contemporary Memorials,
J. J. A. Worsaae, Dr. John Evans, F.R.S., 97

Precious Stones in Nature, Art, and Literature, S. M. Burnham,
482

Pressure, Atmospheric, Colliery Explosions and, Hy. Harries,
437

Pressure, Boiling Point and, M. F. O'Reilly, 4

Pressure, some Effects of, on the Sedimentary Rocks of North
Devon, J. E. Marr, 591

Pressure, Temperature and, Maxwell Hall, 197
Preston, Proposed Technical School for, 254

Preston (Rev. S. A.), Natural History in Schools, 209
Prestwich (Rev. Joseph), the Glacial Period and the Antiquity
of Man, 165

Prevost (J. L.) and Paul Binet, Cytisus laburnum, Physiological
Action of, 504

Preyer (Prof.), the Locomotor System of Star-fish, 20
Price (John), Death of, 614

Prince (Edward E.), Floating Eggs, 294

Princeton Eclipse Expedition, the, Prof. C. A. Young, 547
Prinz (W.), on a Specimen of Crystalline Iron-glance formed on
some Old Iron Weapons, 503

Pritchard (Prof., F. R.S.), on the Nature of the Photographic
Star-Disks and the Removal of a Difficulty in Measurements
of Parallax, 523

Prjevalsky (General), Gold Medal presented to, 63
Proceedings of the Linnean Society of New South Wales, 95
Proctor (R. A.): First Steps in Geometry, a Series of Hints for
the Solution of Geometrical Problems with Notes on Euclid,
Useful Working Propositions, and many Examples, 602; Easy
Lessons in the Differential Calculus indicating from the Outset
the Utility of the Processes called Differentiation and Integ
ration, 602

Progress of the Scottish Universities, M.A. and Medicus, 294
Projectiles in Motion, Photography of, 110

Propane, on some Derivatives of, C. Winssinger, 116

Proper Motion of Ll 26481, J. Tebbutt, 564

Protoplasm: the Present Aspect of the Cell Question, Prof.
Schäfer, 592

Protopterus, on the Torpid State of, Prof. Wiedersheim, 592
Prudden (Dr. T. M.), the Effect of Freezing on Bacteria, 89
Prussian Society for Promotion of Industry, 229

Psychology Physiological, Elements of, Geo. T. Ladd, 290;
the Motive Powers, Emotions, Conscience, Will, James
McCosh, 579

Ptomaïnes, Dr. Ladenburg on, 453.

Puffin Island, Liverpool Marine Biology Station on, Prof. W.
A. Herdman, 275

Pumpelly (R.), Report on the Mining Industries of the United
States, 315

Punjab, Meteorology in the, 399

Putik (Herr), Zirknitzer Lake, 564

Pygmies of the Ancients, the, A. de Quatrefages, 192
Pyrenees, Ten Years' Study of the, M. Schrader, 589

Quain (Richard, F.R.S.), Death of, 499; his Will, 540
Qualitative Chemical Analysis, Dr. C. Remigius Fresenius,
411

Quantitative Analysis, Outlines of, A. H. Sexton, 410
Quarterly Journal of Microscopical Science, 69
Quatrefages (A. de), the Pygmies of the Ancients, 192
Queen's Jubilee Atlas, 208

Queensland, Meteorology in, 184

Quincke (Prof.), on the Magnetic Properties of Gases, 549
Quinquaud (E.), on the Influence of Baths on the Chemical
Phenomena of Respiration and Nutrition, 89

Rabies, G. F. Dowdeswell, 190

Race-types of To-day, British, Prof. IIuxley's Remarks on,
563

Races of Mankind, Social History of the, A. Featherman,
Prof. A. H. Keane, 147

Radan (R.), Differential Formulas for Variation of Element of
an Orbit, 480

Railway in Sumatra, Proposed, 63

Rain, Distribution of, over the British Isles during the Year
1886, G. J. Symons, F.R.S., 388
Rainbow Trout, the, 209

Rainbow, Unusual, S. A. Hill, 581
Rainbows, Lunar, A. F. Griffith, 531

Rainfall: in Paris, Hervé-Mangon, 159; Monsoon in Ceylon, F.
J. Waring, 214; Eleven-year Periodical Fluctuation of the
Carnatic Rainfall, Henry F. Blanford, F.R.S., 227, 293;
General Richard Strachey, F.R.S., 267; Symons's British
Rainfall, 430; Rainfall in the Atlantic and Indian Ocean,
Dr. W. Köppen, 617; Deficiency of Rainfall this Year, 617
Ramsay (Prof.), on a Thermo-dynamical Relation, 23
Rare Earths, Chemistry of the, A. E. Tutton, 357

Ratio of the Two Elasticities of Air, on the, Prof. S. P.
Thompson, 523

Rau (Dr. Chas.), Death of, 348

Raulin (J.), Experiments in Agricultural Chemistry, 456
Ravenel (Dr. H. W.), Death and Obituary Notice of, 374
Ravenstein (E. G.), a Plea for the Metre, 597

Rayet (G.), the Partial Lunar Eclipse of August 3, 1887, 383
Rayleigh (Lord, F. R.S.): Colours of Thin Plates, 391; on the
Existence of Reflection when the relative Refractive Index
is Unity, 524

Rayner (Dr. H.), Breeding for Intelligence in Animals, 246
Reactions, Chemical, the "Dead Space" in, Herr Liebreich,
280

Reade (T. Mellard): Thought without Words, 52; "Toeing"
and "Heeling" at Golf, 580

Reasoning Faculty, on Influence of Sensuous Images on, Tito
Vignoli, 455

Recoura, on Transition between Aromatic and Fatty Series,
312

Recreative Evening Schools Association, 254

Red Spot upon Jupiter, 65

Reflection, on the Existence of, when the relative Refractive
Index is Unity, Lord Rayleigh, F.R.S., 524

Refractions for all Zenith Distances, a Short Method of Com-
puting, Schaeberle, 186

Rendiconti del Reale Istituto Lombardo, 45, 116, 262, 335,
455

Residual Affinity, Wm. Durham, Prof. H. E. Armstrong,
F.R.S., 30

Revelation, Science and, Prof. G. G. Stokes, F. R. S., 333
Review, Naval, Science at the, 254, 305

Reymond (Prof. Du Bois), on Nerve-degeneration resulting from
Sectional Injury, 48

Reynolds (Prof. Emerson, F.R.S.), a New Chlorobromide of
Silicon, 137

Reynolds (Prof. Osborne, F. R.S.), Opening Address in Section
G (Mechanical Science) at the British Association, 472
Richards (Joseph W.), Aluminium, its History, &c., 292
Richardson (Dr. A.), Action of Light on the Hydracids of the
Halogens in presence of Oxygen, 569

Richardson (Dr. Benjamin Ward, F.R.S.), Health of Nations,
Edwin Chadwick, 385

Richarz (Dr.), What takes place in an Electrolyzing Cell during
Decomposition of Water, 288

Ridgeway (Robert), Nomenclature of Colours for Naturalists,
124

Riedel (Dr. J. G. F.), Cocoa-nut Pearls, 461

Righi (A.), Calorific Conductibility of Bismuth in Magnetic
Field, 312

Riley (Prof. C. V.): the Problem of the Hop-plant Louse
(Phorodon humuli, Schrank) in Europe and America, 566;
on the Luminous Larviform Females of the Phengodini, 592;
Icerya purchasi, an Insect injurious to Fruit-Trees, 592
Rimington (E. C.): on a Modification of Maxwell's Method of
measuring the Coefficient of Self-induction, 94; on comparing
Capacities (Galvanometer), 263

Ring Nebula in Lyra, Variable Star in the, Herr Spitaler, 431
Ring, Saturn's, Present Appearance of, M. Stuyvaert, 65
Rio Doce, Brazil, the Valley of the, Wm. J. Steains, 596
Ripples, Slate, on Skiddaw High Man, J. Edmund Clark, 388
Riukiu (Loochoo) Islands, Botany of the, Tokutaro Ito, 538
Riviera, Western, Earthquake in the, Prof. Henry H. Giglioli,
4; J. E. H. Peyton, 151

River Ice, Action of, Thos. W. Kingsmill, 581
Rivers, Broads and, of Norfolk and Suffolk, Notes on the,
Harry Brittain, 457; Hand-book to the, G. C. Davies, 457
Rivista Scientifico-Industriale, 45, 262

Roberts-Austen (Prof., F.R.S.), Experiments on the possible
Electrolytic Decomposition of Alloys, 547

Robertson (J. II.), Modification of Cowper's Writing Telegraph,
540

Rocks, Devonian, of West Somerset on the Borders of the Trias,
W. A. E. Ussher, 572

Rocks, Crystalline, Gastaldi on Italian Geology and the, Dr.
T. Sterry Hunt, F. R. S., 575

Rocks of the Lizard District, on the Occurrence of Porphyritic
Structures in some, Howard Fox and Alex. Somervail, 590
Rocks, Sedimentary, of North Devon, some Effects of Pressure
on the, J. E. Marr, 591

Rocks, Triassic, of West Somerset, W. A. E. Ussher, 572
Rolfe (R. A.), on Bigeneric Orchid Hybrids, 70
Rolling Contact of Bodies, Prof. Hele Shaw, 92

Roman Dominion in South-East Britain, on the Establishment
of, Sir G. B. Airy, F.R.S., 78

Roman Numerals, Natural History of the, J. Lymburn, 555
Romanes (Dr. G. J., F.R.S.): Preyer's Locomotor System of
Star-fish, 20; Thought without Words, 171; Experiments
on the Sense of Smell in Dogs, 273; Physiological Selection,
341; Factors of Organic Evolution, 401; Origin of the
Fittest, Essays on Evolution, E. D. Cope, 505

Rome, Recent Additions to the Prehistoric and Ethnological
Museum of, Dr. G. A. Collini, 526

Roscoe (Sir Henry E., F.R.S.), Inaugural Address at the British
Association, 416

Rosebrugh (Dr.), Photography of Interior of Living Eye, 110
Roses of India, Garden, Sir D. Brandis, F.R.S., 509
Roshydrazine Colours, New, Dr. J. H. Ziegler, III
Routh (H. F.), Overwork and Premature Mental Decay, 507
Rowan (D. J.), Luminous Boreal Cloudlets, 245
Rowland (Prof. H. A.): Description of a Map of the Solar
Spectrum, 523; Chemical Action in a Magnetic Field, 547;
Final Value of the B.A. Unit of Electrical Resistance as
determined by the American Committee, 549

Royal Geographical Society, 83, 138, 478
Royal Horticultural Society, 207