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NATURE

A WEEKLY

ILLUSTRATED JOURNAL OF SCIENCE

VOLUME IV

APRIL 1871 to OCTOBER 1871

"To the solid ground

Of Nature trusts the mind that builds for aye."-WORDSWORTH

London and New York
MACMILLAN AND CO

1871

Q

LONDON

R. CLAY, SONS, AND TAYLOR, PRINTERS

BREAD STREET HILL

INDEX

Abbe (Cleveland) on Sunspots and Earth Temperature, 133
Abbott, (F., F. R. A.S.), Observations on ʼn Argus 478

Aberdeen, Aurora at, Lord Lindsay on, 347, 366; Meteoro-
logical Observatory at, 246

Acclimatisation in Australia, 109, 308

Acclimatisation Society of Otago, 51

Acland (H. W., F.R.S.) on National Health, 463

Adipose Tissue, the Nucleus of, Dr. L. S. Beale on, 367
Adulteration of Butter, 90; of Manures, 301

Aerolitic Shower in Sweden, 398

Affinities of the Sponges, H. J. Carter and W. S. Kent, F.Z.S.,
on, 184, 201, 224

Africa: Dr. Hooker's Expedition, 11, 89, 129, 149, 168, 196
Africa (South), Ethnology of, 56

"Africa (Tropical), Flora of," 287

Agassiz (A.) on Cotteau's "Echinides de la Sarthe," 220
Agricultural Society, 168; its Reports on Adulteration of
Manures, 301

Agriculture in America, 286; Government Department of, 302
Ainsworth (Thomas) on Hæmatite Ores (Br. A.), 292

Aiken (J.) on Moss Lochs, 144; Is Blue a Primary Colour? 465
Airy (Prof. G. B., F.R.S.), his Services to Science; on the
"Determination of a Ship's Place at Sea," 57

Airy (Hubert), on Pendulum Autographs, 310, 370
Algiers, Jardin d'Essai at, 447

Allen (A. H., F. C.S.), Lecture Experiments on Colour, 346
Allen (Nathaniel, M.D.) on the Laws of Population, 462, 463
Alpine Floras, 162; Sculpture, 198

America: Department of Agriculture, 286, 302; Earthquakes
and Inundations, 51 (and see Earthquakes); Eozoön Canal
dense, 28; Fish and Fisheries, 33, 244; Meteorology, 390, 410,
430, 461; Science in, 32, 43, 56, 89, 109, 114, 130, 149, 170,
212, 233, 294, 307, 319, 338, 340, 350, 375, 417, 421, 454,
480, 495, 497, 499, 501, 519; Lyceum of Natural History,
New York, 155, 212, 340; Smithsonian Institution, Washing-
ton, 56, 260, 401, 436; Scientific Society at Middleton, Con-
necticut, 89

America, Central, Ruined Cities of, 466

America, South, Botany of, 52

American Annual of Scientific Discovery, 239

American Association for the Advancement of Science, Meeting
at Indianapolis, 373

American Coleoptera, M. Boucard on, 50

American Geology, Report by Dr. Hayden, 24

American Polar Expedition, 309, 349

Anatomy and Physiology at the Br. A., 357

Anatomy at Edinburgh University, 168

Anatomy, Human, by Dr. Lionel S. Beale, 343, 367

Andrews (Dr.) on

66

Liquid and Gaseous States of Matter," 186
Andrews (Dr.) on the Vapour of Iodine; on the Action of
Heat on Bromine (Br. A.), 316

Andrews (Prof., F. R.S.), on Chemical Science (Br. A.), 273
Ant-eating Woodpecker, 230

Anthropological Institute, Journal, &c., of, 115, 196, 229, 379
Anthropological Institute, New York, 12

Anthropology, Academy of, Berlin, 56

Anthropology and Archæology, Congress at Bologna, 244, 306
Anthropology and M. Comte, 466

Anthropology at the Br. A., 289, 317, 334, 357, 378

Anthropology, Prof. Allen Thomson on (Br. A.), 294

Antilles, the Lesser Birds of the, 473

Ants of Panama, 245

Antwerp, Congress of Geographical Science, 286

Ape, the, and Man, Capt. Wake on (Br. A.), 335

Aquaria, Rockwork in Tanks, 507

Aquarium at Brighton, 394; at the Crystal Palace, 469
Arboricultural Society of Scotland, 73

Archeological Institute, 261

Archaeology, Endowment by Mr. Yates at Univ. Col., 260
Arctic Auroras, 142

Arctic Expeditions: American, 309, 349; German, 395, 439, 513
Arctic Regions, Low Barometer in, 226

Arctic Scenery, Paintings by W. Bradford, 210

Argus, Observations of 7, and its surrounding Nebula, 478
Armagh, Meteorological Observatory at, 246

Armstrong (Dr.) his “Manual of Organic Chemistry," 50
Armstrong (Jas.) Catalogue of the Carboniferous Fossils of West
Scotland, 443

Artesian Wells in America, 32; in India, 89

Asaphus platycephalus, its supposed legs, 152, 254

"Asiatic Cholera, Treatise on," by C. Macnamara, 302

Asiatic Society, Bengal, Proceedings of, 32, 89, 339
Astronomical Observation, its Present State, 30

Astronomy in Constantinople, 128

Astronomy, Klein and Klinkerfues on, 24

Astronomy, Visitation of the R. Observatory, Greenwich, 50, 103
"At Last; a Christmas in the West Indies," by the Rev. Canon
Kingsley, 282

Atmosphere, Circulation and Distribution of, by Prof. Everett, 353
Atmosphere, Universal, 487

August Meteors, J. Edmund Clark on, 304
"Aunt Rachel's Letters on Water and Air," 24
Aurignac, Cave with Human Remains at, 208

Aurora Australis and Borealis, their Correspondence, 213
Aurora Australis, 345; Davis on, 385; A. B. Meyer on, 84,
Aurora at Aberdeen, Lord Lindsay on, 347, 366
Aurora by Daylight, 7, 27, 121, 142; Jas. Glaisher on, 209;
John Jeremiah on, 47; J. Lucas on one at Oxford, 183, 305;
D. Winstanley on, 280; George F. Burder on, 84

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Aurora, Spectrum of the, 280; T. W. Backhouse on, 66
Aurora, Some Speculations on the," by J. M. Wilson, 372
Aurora, Arctic, 142

Auroras, are they Periodical? by Prof. D. Kirkwood, 505;
Height of, 280; Their Relation to Gravitating Currents, 497
Aurora Island, its reported Submergence, 74, 108
Australia: Acclimatisation, 308; Entomological Society of
New South Wales, 436; Mineral Statistics, Reports of Mining
Surveyors, Victoria, 365; Royal Society, Victoria, its Eclipse
Expedition, 394, 400; its Transactions, 418; the Melbourne
Telescope, 109; Science at Melbourne, 211; Commission on
Foreign Industries, 453; Science in Victoria, 109, 211
Austria: Science in Vienna, 498; Imperial Academy of Sciences,
Vienna, 79, 216, 256; Imperial and Royal Geological Insti-
tution, Vienna, 60, 176; International Exhibition, Vienna,
1873, 434

Austrian Meteorological Society, Journal of the, 502
Avebury, destruction of the Druidical Temple at, 476, 494
Ayrton (W. E.), on a Quantitative Method of Testing a
graph Earth," 399

Babbage, Charles, his death, 512

Tele-

Backhouse (T. W.), on the Spectrum of the Aurora, 66; on the
"Height of Auroras," 280; on a Sun Spot, 359
Bacteria, Dr. Bastian on, 178, 459

Baillon (Prof. H.), his " Histoire des Plantes," 199

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Ball (John), on the Temperature of the Sun, 487
Ball (Robert Stawell), Experimental Mechanics," 510
Barker (G. F., M.D.) on Elementary Chemistry, 4
Barometer in Polar Regions and Cyclones, 226
Barometers, Self-registering, at Washington, by Prof. G. W.
Hough, 410, 430; by Prof. Wild, 432

Barometer, Standard, by J. Green, New York, 412
Barrington (R. M.) on a Halo in the Zenith, 160
Basevi (Captain, R. E.), Obituary Notice of, 413

Bastian (H. Charlton, M.D., F.R.S.), on Protoplasmic Life, 59;
on the Origin of Life, 178 (Br. A.), 378; on Fungi in Living
Birds (Br. A.) 356; on the Germ Theory, 458
Bathybius, Freshwater, Dr. R. Greeff on, 49
Beacons and Lighthouses, Towers of Cement Rubble, 366
Beale (Dr. Lionel S., F. R.S.) on Pangenesis, 25; on Mr. Ho-
worth's New View of Darwinism, 221, 240; "The Physio-
logical Anatomy and Physiology of Man," 343; on the Nucleus
of Adipose Tissue, 367

Beaumont, M. Elie de, on the Scientific Use of the Mont Cenis
Tunnel, 434

Bee Orchis, its Fertilisation, 222

Beet, Cultivation of, 90

66

Beginning, The; its When and its How," by M. Ponton, 321
Behm (E.), his "Geographisches Jahrbuch," 44
Beke (Chas. Tilson), Civil Service Pension to, 260
Belfrage (C. H.) on the Entomology of Texas, 51
Belgium, Royal Academy of Sciences, 379

Bennett A. W., F.L.S.) on Hybridisation, 46; on the Fer-
tilisation of the Bee Orchis, 222; on New and Rare Fungi,
240; on Newspaper Science, 425; on Winter Fertilisation, 506
Bennett, Prof., his Graduation Address at Edinburgh, 288
Bentham (G., F.R.S.) his Anniversary Address to the Linnean
Society, 92, 110, 150, 170, 129
Berkeley (Rev. M. J., F.L.S.), Reviews of Books,
Dr. De Notaris' Work on Italian Mosses, 383, 446
Berthon (Rev. M. L.), his New Dynameter, 427, 446
Bessemer Bombs, 123

240; on

Beswick-Perrin (J.) on an Additional True Rib in the Human
Subject, 188

Bhyscuppra, an Indian Saurian, 514

Biblical Archæology, Society of, 19, 39, 104, 215, 374

Bickerton (A. W., F. C.S.) on Conversion of Heat in the Steam
Engine, 203

Billings, on the Supposed Legs of Asaphus, 254

Biogenesis, Sir Wm. Thomson on the Law of, Remarks by E.
Ray Lankester, F. L. S., 368 (See Origin of Life)
Biology, Prof. Huxley's Instruction at S. Kensington, 168, 325
Biology at the Br. A. (Section D.), Opening Address, 292; Sec-
tional Proceedings. 332, 355, 377

"Birds of Europe," by Sharp and Dresser, 308
Birds of the Lesser Antilles, Dr. P. L. Sclater, F.R S., on, 473
Birmingham (J.) on Snn-spots, 102; on Prof. Zöllner's New
Theory of Sun-spots, 164; Observations of Comets, 359
"Birmingham Saturday Half holiday Guide," 225
Black Rain, Edwin Lee, F. L.S, on, 161

Blake (C. Carter), Cave Lion in the Peat, 27

Bland (Thos.), Conchology of the West Indies, 307

Blood, its Constitution, Dr. Marcet on, 57

Blood Spectrum, H. C. Sorby, F.R.S., on, 505

Boettcher (Dr. Arthur) on the Structure of the Ear, 64; on
Defective Vision, 140

Bolide seen at Marseilles, 339, 454, 503

Bolivia, Silver, Coal, and Gems in, 418

Bond (Dr. Francis T.), on Degrees for Engineering Students at
London University, 67

Bonney (Rev. T. G., F.G.S.) on Dr. Tyndall's "Hours of Ex-

ercise in the Alps," 198; on Ice Fleas, 467

Boston (U.S.) Natural History Society, 373

Botanical Department of the British Museum, 286

Botanical Exchange Club, 32

Botany at the Br. A., 317, 355, 377

Botanical Science, its Study in England, 193

'Botany, Domestic," by John Smith, A.L.S., 301

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Botany, First Catechism of," 12

Botany, Journal of, 77, 108, 233, 359, 399, 453, 498

"Botany, Manual of Structural," by M. C. Cooke, 44

Botany of Africa, 11, 447; of India, 90; of Queensland, 349;
of South America, 62

Boucard (M.), his proposed work on American Coleoptera, 50
Bradford (W.), his Paintings of Arctic Scenery, 210
Brazil, Rock Inscriptions in, 114

Brazil, Scientific Research in, 299

Brighton Aquarium, 394

Brine (Capt. L., R.N.,) on the Ruined Cities of Central
America (Br. A.), 358

Bristol Observing Astronomical Society, 175, 359, 440
"Britain," Name of, 7, 27

British Archæological Association, 324, 374

British Association, Arrangements for Meeting at Edinburgh,
148, 229, 244; Remarks on the Meeting, 261, 313; Address
by the President, 262; Opening Addresses in each Section,
270, 273, 277, 293, 297, 298, 318; Sectional Proceedings, 291,
292, 313, 315, 316, 317, 331, 352, 375, 376, 377, 396; Grants
for Scientific Purposes, 314

British Association and Local Scientific Societies, 242
"British Fungi, Handbook of," by M. C. Cooke, M. A., 321
"British Guiana, Geology of, 115

"Bri ish Insects," by E. F. Staveley, 22

British Museum, Sponges added to its Collection, 50; the Natural
History Collections, 181; Report on Botanical Department,
286, 452

British Mosses, D. Moore, F. L. S., on, 487

Bromine, Action of Heat on, by Dr. Andrews (Br. A) 316
Brothers (A., F. R. A.S.) on Coronal Rifts, 66; on his Eclipse
Photography, 121, 327, 367

Brown Trust for Treatment of Sick Domestic Animals, 190, 210
Browning (John, F. R. A. S.), on a Universal Atmosphere, 487
Brussels Museum, Geological Collection at, 76

Buchan (Alexander), on Great Heat in Iceland, 202; on Rain-
fall in January and July (Br. A.), 358; on the Rainfall of
Scotland (Br. A.), 398

Burder (Dr. George F.), on Daylight Auroras, 84; on a Lunar
Halo seen at Clifton, 33

Burgoyne (Sir John F., F.R.S.), Obituary Notice of, 476
Burmah, Hairy Family in, 454, 477

Butter, Adulteration of, 90

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'Butterflies, British, Natural History of," by E. Newman,
F.L.S., 219

Butterflies, Migration of, 12, 487, 494
Butterflies of North America, II
Calcutta, New Museum at, 89

California Academy of Sciences, 419
California Vulture, 52

Cambridge, Science at, 11, 32, 72, 107, 129, 555, 210, 261, 452,
476, 488, 493, 513

Cambridge, Philosophical Society, 39, 155
Cambridge, Woodwardian Museum, 100
Canada, Meteorology in, 349
Canine Madness in a Horse, 308
Carbolic Acid for Snake Bites, 229

"Carboniferous Epoch, Fauna of the," by Henry Woodward, 59
Carboniferous Fossils of West Scotland, 443

Carpenter (Dr. W. B.) on Ocean Currents, 71, 183, 243, 435a
446, 468; on Deep Sea Explorations. 73, 107; on Deep Se
Temperature, 97; Elected President of Br. A. for 1872, 290
Carruthers (Wm., F. R.S.) on "Supposed Vegetable Fossils," 234
Carter (H. J.) on Affinities of Sponges, 184
Cassowary, New Species of, 436

Cave of Aurignac, 208; at Wyandotte, 514

Cayley's Report on Abstract Dynamics, Sir Wm. Thomson,
F. R.S., on (Br. A.), 264

Celebes, Vis. Walden on its Ornithology, 37; Volcano near, 286
Cellulose, M. Payen on, 59

Central America, Ruined Cities of (Br. A.), 358

Ceratodus, Discovered in Queensland, 406, 428, 447

Changes in the Habits of Animals, 489, 506
Charcoal Respirators for use in Smoke, 127

Charlesworth (E.). Recommended to Survey the Wealden, 493
Cheese Factories, Scientific Value of, 104

Chelsea Botanic Gardens, Lectures at, 89

"Chemical Analysis," Wm. Crookes, F. R.S., on, 81

Chemical Dynamics, J. H. Gladstone, F. R. S., and Alfred Tribe

on, 195; (Br. A.), 291

Chemical Papers, Published Abstracts of (Br. A.), 331

Chemical Society, its Journal, 2, 38, 95, 134, 359

Chemical Society, Newcastle-upon-Tyne, 284

Chemical Science at the Br. A. (Section B), Opening Address,
273; Sectional Proceedings, 291, 316, 331

"Chemistry in the United States" (Br. A.), 292

Chemistry, Investigations by the late Prof. Payen, 261
Chemistry, Italian Journal of, 73; Literature of, 2
Chemistry of Milk, 96

66

Chemistry, Manual of Organic," by Dr. Armstrong, 50
Chestnut-tree of Mount Etna, 166

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INDEX

Clifton College Scientific Society, 51; Conversazione at, 148;
its School of Science, 329; View of the Museum, 330
Climate of Nicaragua, 206

Clock Tower, Westminster, Magneto-Electric Light for, 107
Cloud Scenery, 4; New Form of, 489, 505

Coal in Bolivia, 418; in India, 514; in Panama, 309; (Br. A.),
332; Royal Commission on, 148, 287

Coal Plants, Exogenous Structures in (See Williamson, Prof. W. C.)
Coal, Velocity of Sound in, 487, 506

Cobbold (Dr. T. Spencer, F.R.S.) on Entozoa, 479; on the
Beef Tapeworm, 506; on Stephanurus discovered in America
and Australia, 508

Coleoptera of America, M. Boucard on, 50; of New South
Wales, 436; of Palestine, 55

Coles, Emily, Civil Service Pension to, 260

College of Physical Science, Newcastle-upon-Tyne, 21, 189,
217, 284, 416, 435, 493

College of Physicians, Scheme of Examination, 73, 168
Colleges of Surgeons and Physicians, 229
College of Surgeons, Ireland, 129

Collins (J. H.), "Western Chronicle of Science," 220, 243, 338
Colour, the Sensation of, 27; Dr. H. M'Leod, F.C.S., on Red

and Blue, 122; Hon. J. W. Strutt on, 142; "Is Blue a
Primary Colour," 465; Lecture Experiments on, 346; Colour
of the Sky, 4; Optical Phenomenon of, 68; Colour Vision,
J. C. Maxwell on, 13; Colours of the Sea, W. M'Master on,
203, 305

Comet, Futtle's, its Ephemeris, by J. R. Hind, F.R.S., 374;
New, discovered by Temple, 189; Spectrum of, 95

Comets, Observations by J. Birmingham, 359; Sir W. Thomp-
son, F.R.S., on (Br. A.), 268

Compass, Transparent, 366

Compound Prism for Spectrum Microscope, 511

Comte (M.), and Anthropology, 466

Conchology of Polynesia, 37; of the West Indies, 307
Conservation of Force, 47

Constantinople, Astronomy in, 128

Cook (Captain), Monument to, in New South Wales, 271
Manual of Structural Botany," 44;
Cooke (M. C, M. A.), his "
his "
Handbook of British Fungi," 321

Cooley (W. D.) on Elemetary Geometry, 485

Cooper's Hill, Indian College of Civil Engineering, 244
Corals, 37, 38; Prof. P. M. Duncan on, 57

Coral Fauna of the Deep Sea, 153

Corfield (Prof.) on Sewage, 287

Corona, Remarks on the, 42, 121, 160; its Radial Appearance,

46; Prof. Serpieri on, 99; A. C. Ranyard, F. R.A.S., on, 466
Coronal Rifts, A. C. Ranyard, F.R.A.S., on, 27; A. Brothers
on, 66, 121

Cornwall Institution, 375

Cornwall Polytechnic Society, 169, 287

Corrosion of Copper-plates by Nitrate of Silver (Br. A), 353
Cotteau and Triger (M. M.) their "Echinides du Département
de la Sarthe," 120, 220

Cotteswold Naturalists' Field Club, 32

Cotton-wool Respirators, 126, 164

Coutts (Baroness Burdett) her Prize for Essay on

Spring," 229

Coventry Institute, Science Classes at, 493

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V

Dall (W. H.) on Striated Muscular Fibre in Gasteropoda, 114;
his " Brachiopoda of the United States Coast Survey," 238;
his Explorations in Alaska, 455

Dana (Jas. D.) on the supposed Legs of Asaphus platycephalus,
152, 254

Darwin (Charles, F. R.S.) on a New View of Darwinism, 180
Danger and Storm Signal Light, inextinguishable, 49
H. Howorth, 161, 180, 200, 221, 240
Darwinism, Notes on, 5, 46, 117; a New View of, by Henry

Dase's Tables of Prime Numbers, 6

Davidson (Thomas) Memoir of, in Geological Magazine, 36
Davies (Lieut. A. M., R. N.) on Saturn's Rings, 203
Davis (A. S.) on the Aurora, 385

Davis (Barrett) his Tables of Prime Numbers, 6
Davis (Henry) on Eclipse Photography, 445
Davy (Sir Humphrey) Statue to, at Penzance, 307
Dawkins (W. Boyd, F.R.S.) on the Interment in the Aurignac
Cave, 208; Mammalia of the Glacial Period (Br. A.), 355;
Origin of Domestic Animals (Br. A.), 357; Classification of
the Paleolithic Age (Br. A.), 358; Discoveries of Platycnemic
Men in Denbighshire, 388

Dawson (Principal, F.R.S.) on Hydrous Silicate in Fossils, 162;
on the Higher Education of Women, 515

Debus (Dr., F. R.S.) on Ozone, 134
Day (St. John V,, CE.)" Papers on the Great Pyramid," 303

Deep Sea Explorations, 73, 87, 167, 290; in America, 233; in
the Baltic, 417; in Indian waters, 307; Dredging in the Gulf
of St. Lawrence, 210; Deep-Sea Temperature, 97; Resolu-
tion of the Br. A., 313; (See Carpenter, Dr. W. B.; Ocean
Currents)

De Fonvielle (W.) on Aerostation, 3

Delaunay (M.) on the Thickness of the Earth's Crust, 28, 45,
65, 141

Denbighshire, Discoveries of Platcycnemic Men in, 388
Denmark, Biology of, 150

De Notaris (Dr. G.), "Epilogo della Briologia Italiana," 383,
446; D. Moore, F. L.S., on, 487

Derry, Natural History Society of, 51

Deschanel (A. Privat), "Elementary Treatise on Natural Philo-
sophy," 343, 405, 425

Desert of the Tih, Report by C. F. Tyrwhitt Drake on, 33, 52
Devonshire Assoc. of Literature, Science, and Art, 169, 374
Dewar on Thermal Equivalents of Oxides of Chlorine (Br. A.), 291
Diamond Fields of Natal, 190, 418

Dickson (Alex., M.D.)

(Br. A.), 347, 475

66

Suggestions on Fruit Classification"

Dobell (Dr.) his Reports on Practical Medicine, 140
Diving Bell, Photographic Apparatus for use in the, 477
"Domestic Botany," by John Smith, A.L. S., 304

Donegal, Geology of, 234

Doubleday (Thomas), "Matter for Materialists," 321

Drake (C. F. T.) his Report on the Desert of the Tih, 33, 52
sults (Br. A.), 456
Dredging Expedition off Spain and Portugal, its Zoological Re-

Dredging of the Gulf Stream, 87
Dresden Natural History Society, 133

The Balance Drought caused by Drainage, 386

Crace Calvert (F., F. R.S.), on "Protoplasmic Life," 57
Cramming for Middle Class Examinations, 202, 285
Crinoids, Palæozoic, Prof. Wyville Thomson, F.R.S., on their
Structure, 496

Crocodiles at Greytown, 27

Croll (Jas.) on the Age of the Earth

Crookes (William, F.R.S.), his

66

Psychic Force," 237, 278

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Chemical Analysis," 81; on

Crotch (G. R., F. L.S.) on Geographical Distribution of Insects,
65; his Expedition to Australia, 129

Cryptogamia in Coal Measures, Classification of, Prot. W. C.
Williamson, F.R S., on (Br. A.), 173, 357, 408, 426, 490, 504
Crystal Palace Aquarium, 469

Cundurango Tree, 514

Cunningham (Major.-Gen. A., R.E.) "The Ancient Geography
of India," 381

Cycloid, the, Note by R. A. Proctor, F. R. A.S., 465, 487
Cyclone in the West Indies, 417, 454, 464

Cyclones, Converging of Wind in, 254; Low Barometer in,
226; J J. Murphy on their Origin, 305
Czermak (Prof.) bis Electric Double Lever, 5
Dallas (W. S., F.L.S.) on

"Newman's British Butterflies," 219

Dublin: Geological Society, 135; Natural History Society, 36,
135; Queen's University, 189; Royal Society, 96; Royal
Irish Academy, 19, 77, 136, 196, 379, 440; Trinity College,
129; University Diploma on State Medicine, 137, 148
Duncan (Prof. P. M., F.R.S.), on Corals, 37, 57, 77; on the
Coral Fauna of the Deep Sea, 153

Durham University and College of Science at Newcastle, 21,
189, 217

Dust and Smoke, Prof. Tyndall on, 124

Dyer (Prof. W. T. T.), his Lectures on Botany, 107; on Mimicry
in Plants (Br. A.), 355; on Fossil Cryptogams, 444, 504;
on Geometry at Oxford, 485; on Homoplastic Agreements
in Plants, 507

Dynameter, New, Rev. T. W. Webb, F. R. A.S., on, 427, 446
Dymond (W. P.), on the Irish Fern in Cornwall, 8
Dynamics, Abstract, Cayley's Report on (Br. A.), 264
Dynamics, Stokes's Theory, Sir William Thomson, F.R.S., on

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