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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

•N285

LONDON

R. CLAY, SONS, AND TAYLOR, PRINTERS

BREAD STREET IUILI.

INDEX

66

Abbe (Cleveland) on Sunspots and Earth Temperature, 133 Arctic Scenery, Paintings by W. Bradford, 210
Abbott, (F., F.R.A.S.), Observations on n Argus 478

Argus, Observations of n, and its surrounding Nebulæ, 478
Aberdeen, Aurora at, Lord Lindsay on, 347, 366; Meteoro. Armagh, Meteorological Observatory at, 246
logical Observatory at, 246

Armstrong (Dr.) his “Manual of Organic Chemistry," 50
Acclimatisation in Australia, 109, 308

Armstrong (Jas.) Catalogue of the Carboniserous Fossils of West
Acclimatisation Society of Otago, 51

Scotland, 443
Acland (H. W., F.R.S.) on National Health, 463

Artesian Wells in America, 32 ; in India, 89
Adipose Tissue, the Nucleus of, Dr. L. S. Beale on, 367

Asaphus platycephalus, its supposed legs, 152, 254
Adulteration of Butter, 90 ; of Manures, 301

Asiatic Cholera, Treatise on," by C. Macnamara, 302
Aerolitic Shower in Sweden, 398

Asiatic Society, Bengal, Proceedings of, 32, 89, 339
Affinities of the Sponges, H. J. Carter and W. S. Kent, F.Z.S., Astronomical Observation, its Present State, 30
on, 184, 201, 224

Astronomy in Constantinople, 128
Africa : Dr. Hooker's Expedition, 11, 89, 129, 149, 168, 196 Astronomy, Klein and Klinkerfues on, 24
Africa (South), Ethnology of, 50

Astronomy, Visitation of the R. Observatory, Greenwich, 50, 103
“Africa (Tropical), Flora of,” 287

"At Last; a Christmas in the West Indies,” by the Rev. Canon
Agassiz (A.) on Cotteau's “Echinides de la Sarthe," 220

Kingsley, 282
Agricultural Society, 168 ; its Reports on Adulteration of Atmosphere, Circulation and Distribution of, by Prof. Everett, 353
Manures, 301

Atmosphere, Universal, 487
Agriculture in America, 286; Government Department of, 302 August Meteors, J. Edmund Clark on, 304
Ainsworth (Thomas) on Hæmatite Ores (Br. A.), 292

Aunt Rachel's Letters on Water and Air," 24
Aiken (J.) on Moss Lochs, 144 ; Is Blue a Primary Colour? 465 Aurignac, Cave with Human Remains at, 208
Airy (Prof. G. B., F.R.S.), his Services to Science ; on the Aurora Australis and Borealis, their Correspondence, 213
" Determination of a Ship’s Place at Sea,” 57

Aurora Australis, 345; Davis on, 385; A. B. Meyer on, 84,
Airy (Huber on Pendulum Autographs, 310, 370

Aurora at Aberdeen, Lord Lindsay on, 347, 366
Algiers, Jardin d'Essai at, 447

Aurora by Daylight, 7, 27, 121, 142 ; Jas. Glaisher on, 209 ;
Allen (A. H., F.C.S.), Lecture Experiments on Colour, 346 John Jeremiah on, 47 ; J. Lucas on one at Oxford, 183, 305 ;
Allen (Nathaniel, M. D.) on the Laws of Population, 462, 463 D. Winstanley on, 280; George F. Burder on, 84
Alpine Floras, 162 ; Sculpture, 198

Aurora, Spectrum of the, 280 ; T. W. Backhouse on, 66
America : Department of Agriculture, 286, 302 ; Earthquakes · Aurora, Some Speculations on the," by J. M. Wilson, 372

and Inundations, 51 (and see Earthquakes) ; Eozoon Canal Aurora, Arctic, 142
dense, 28; Fish and Fisheries, 33, 244; Meteorology, 390, 410, Auroras, are they Periodical? by Prof. D. Kirkwood, 505 ;
430, 461 ; Science in, 32, 43, 56, 89, 109, 114, 130, 149, 170, Height of, 280 ; Their Relation to Gravitating Currents, 497
212, 233, 294, 307, 319, 338, 340, 350, 375, 417, 421, 454, Aurora Island, its reported Submergence, 74, 108
480, 495, 497, 499, 501, 519; Lyceum of Natural History, Australia : Acclimatisation, 308; Entomological Society of
New York, 155, 212, 340 ; Smithsonian Institution, Washing- New South Wales, 436; Mineral Statistics, Reports of Mining
ton, 56, 260, 401, 436 ; Scientific Society at Middleton, Con- Surveyors, Victoria, 365; Royal Society, Victoria, its Eclipse
necticut, 89

Expedition, 394, 400 ; its Transactions, 418; the Melbourne
America, Central, Ruined Cities of, 466

Telescope, 109 ; Science at Melbourne, 211 ; Commission on
America, South, Botany of, 52

Foreign Industries, 453 ; Science in Victoria, 109, 211
American Annual of Scientific Discovery, 239

Austria: Science in Vienna, 498 ; Imperial Academy of Sciences,
American Association for the Advancement of Science, Meeting Vienna, 79, 216, 256 ; Imperial and Royal Geological Insti-
at Indianapolis, 373

tution, Vienna, 60, 176; International Exhibition, Vienna,
American Coleoptera, M. Boucard on, 50

1873, 434
American Geology, Report by Dr. Hayden, 24

Austrian Meteorological Society, Journal of the, 502
American Polar Expedition, 309, 349

Avebury, destruction of the Druidical Temple at, 476, 494
Anatomy and Physiology at the Br. A., 357

Ayrton (W. E.), on a Quantitative Method of Testing a "Tele-
Anatomy at Edinburgh University, 168

graph Earth,” 399.
Anatomy, Human, by Dr. Lionel S. Beale, 343, 367

Babbage, Charles, his death, 512
Andrews (Dr.) on Liquid and Gaseous States of Matter,” 186 Backhouse (T. W.), on the Spectrum of the Aurora, 66 ; on the
Andrews (Dr.) on the Vapour of Iouine ; on the Action of “Height of Auroras,” 280; on a Sun Spot, 359
Heat on Bromine (Br. A.), 316

Bacteria, Dr. Bastian on, 178, 459
Andrews (Prof., F.R.S.), on Chemical Science (Br. A.), 273 Baillon (Prof. H.), his “ Histoire des Plantes,” 199
Ant-eating Woodpecker, 230

Ball (John), on the Temperature of the Sun, 487
Anthropological Institute, Journal, &c., of, 115, 196, 229, 379 Ball (Robert Stawell), “ Experimental Mechanics," 510
Anthropological Institute, New York, 12

Barker (G. F., M.D.) on Elementary Chemistry, 4
Anthropology, Academy of, Berlin, 56

Barometer in Polar Regions and Cyclones, 226
Anthropology and Archæology, Congress at Bologna, 244, 306 Barometers, Self-registering, at Washington, by Prof. G. W.
Anthropology and M. Comte, 466

Hough, 410, 430 ; by Pruf. Wild, 432
Anthropology at the Br. A., 289, 317, 334, 357, 378

Barometer, Standard, by J. Green, New York, 412
Anthropology, Prof. Allen Thomson on (Br. A.), 294

Barrington (R. M.) on a Halo in the Zenith, 160
Antilles, the Lesser Birds of the, 473

Basevi (Captain, R. E.), Obituary Notice of, 413
Ants of Panama, 245

Bastian (H. Charlton, M.D., F.R.S.), on Protoplasmic Life, 59;
Antwerp, Congress of Geographical Science, 286

on the Origin of Life, 178 (Br. A.), 378; on Fungi in Living
Ape, the, and Man, Capt. Wake on (Br. A.), 335

Birds (Br. A.) 356; on the Germ Theory, 458
Aquaria, Rockwork in Tanks, 507

Bathybius, Freshwater, Dr. R. Greeff on, 49
Aquarium at Brighton, 394 ; at the Crystal Palace, 469

Beacons and Lighthouses, Towers of Cement Rubble, 366
Arboricultural Society of Scotland, 73

Beale (Dr. Lionel S., F.R.S.) on Pangenesis, 25; on Mr. Ho.
Archæological Institute, 261

« The Physio-
Archäology, Endowment by Mfr. Yates at Univ. Col., 260 logical Anatomy and Physiology of Man," 343 ; on the Nucleus
Arctic Auroras, 142

worth's New View of Darwinism, 221, 240 ;

of Adipose Tissue, 367
Arctic Expeditions : American, 309, 349; German, 395, 439, 513 Beaumont, M. Elie de, on the Scientific Use of the Mont Cenis
Arctic Regions, Low Barometer in, 226

Tunnel, 434

Bee Orchis, its Fertilisation, 222

British Mosses, D. Moore, F.L.S., on, 487
Beet, Cultivation of, 90

Bromine, Action of Heat on, by Dr. Andrews (Br. A ) 316
Beginning, The ; its When and its How," by M. Ponton, 321 Brothers (A., F.R.A.S.) on Coronal Rifts, 66; on his Eclipse
Behm (E.), his “Geographisches Jahrbuch,” 44

Photography, 121, 327, 367
Beke (Chas. Tilson), Civil Service Pension to, 260

Brown Trust for Treatment of Sick Domestic Animals, 190, 210
Belfrage (C. H.) on the Entomology of Texas, 51

Browning (John, F.R.A.S.), on a Universal Atmosphere, 487
Belgium, Royal Academy of Sciences, 379

Brussels Museum, Geological Collection at, 76
Bennett A. W., F.L.S.) on Hybridisation, 46 ; on the Fer- Buchan (Alexander), on Great Heat in Iceland, 202 ; on Rain.

tilisation of the Bee Orchis, 222 ; on New and Rare Fungi, fall in January and July (Br. A.), 358; on the Rainfall of
240 ; on Newspaper Science, 425; on Winter Fertilisation, 506

Scotland (Br. A.), 398
Bennett, Prof., his Graduation Address at Edinburgh, 288 Burder (Dr. George F.), on Daylight Auroras, 84 ; on a Lunar
Bentham (G., F.R.S.) his Anniversary Address to the Linnean Halo seen at Clifton, 33
Society, 92, 110, 150, 170, 129

Burgoyne (Sir John F., F.R.S.), Obituary Notice of, 476
Berkeley (Rev. M. J., F.L.S.), Reviews of Books, 240; on Burmah, Hairy Family in, 454, 477
Dr. De Notaris' Work on Italian Mosses, 383, 446

Butter, Adulteration of, 90
Berthon (Rev. M. L.), his New Dynameter, 427, 446

“Butterflies, British, Natural History of," by E. Newman,
Bessemer Bombs, 123

F.L.S., 219
Beswick-Perrin (J.) on an Additional True Rib in the Human Butterflies, Migration of, 12, 487, 494
Subject, 188

Butterflies of North America, II
Bhyscuppra, an Indian Saurian, 514

Calcutta, New Museum at, 89
Biblical Archäology, Society of, 19, 39, 104, 215, 374

California Academy of Sciences, 419
Bickerton (A. W., F.C.S.) on Conversion of Heat in the Steam California Vulture, 52
Engine, 203

Cambridge, Science at, 11, 32, 72, 107, 129, 555, 210, 261, 452,
Billings, on the Supposed Legs of Asaphus, 254.

476, 488, 493, 513
Biogenesis, Sir Wm. Thomson on the Law of, Remarks by E. Cambridge, Philosophical Society, 39, 155
Ray Lankester, F.L.S., 368 (See Origin of Life)

Cambridge, Woodwardian Museum, 100
Biology, Prof. Huxley's Instruction at Š. Kensington, 168, 325 Canada, Meteorology in, 349
Biology at the Br. A. (Section D.), Opening Address, 292 ; Sec- Canine Madness in a Horse, 308
tional Proceedings. 332, 355, 377

Carbolic Acid for Snake Bites, 229
“Birds of Europe," by Sharp and Dresser, 308

“Carboniferous Epoch, Fauna of the,” by Henry Woodward, 59
Birds of the Lesser Antilles, Dr. P. L. Sclater, F.R S., on, 473 Carboniferous Fossils of West Scotland, 443
Birmingham (J.) on Snn-spots, 102 ; on Prof. Zöllner's New Carpenter (Dr. W. B.) on Ocean Currents, 71, 183, 243, 435a

Theory of Sun-spots, 164; Observations of Comets, 359 446, 468; on Deep Sea Explorations. 73, 107 ; on Deep Se
"Birmingham Saturday Half-holiday Guide,” 225

Temperature, 97; Elected President of Br. A. for 1872, 290
Black Rain, Edwin Lee, F.L.S, on, 161

Carruthers (Wm., F.R.S.) on “Supposed Vegetable Fossils,” 234
Blake (C. Carter), Cave Lion in the Peat, 27

Carter (H. J.) on Affinities of Sponges, 184
Bland (Thos. ), Conchology of the West Indies, 307

Cassowary, New Species of, 436
Blood, its Constitution, Dr. Marcet on, 57

Cave of Aurignac, 208 ; at Wyandotte, 514
Blood Spectrum, H. C. Sorby, F.R.S., on, 505

Cayley's Report on Abstract Dynamics, Sir Wm. Thomson,
Boettcher (Dr. Arthur) on the Structure of the Ear, 64; on F.R.S., on (Br. A.), 264
Defective Vision, 140

Celebes, Vis. Walden on its Ornithology, 37 ; Volcano near, 286
Bolide seen at Marseilles, 339, 454, 503

Cellulose, M. Payen on, 59
Bolivia, Silver, Coal, and Gems in, 418

Central America, Ruined Cities of (Br. A.), 358
Bond (Dr. Francis T.), on Degrees for Engineering Students at Ceratodus, Discovered in Queensland, 406, 428, 447
London University, 67

Changes in the Habits of Animals, 489, 506
Bonney (Rev. T. G., F.G.S.) on Dr. Tyndall's “Hours of Ex- Charcoal Respirators for use in Smoke, 127
ercise in the Alps," 198; on Ice Fleas, 467

Charlesworth (E.). Recommended to Survey the Wealden, 493
Boston (U.S.) Natural History Society, 373

Cheese Factories, Scientific Value of, 104
Botanical Department of the British Museum, 286

Chelsea Botanic Gardens, Lectures at, 89
Botanical Exchange Club, 32

“Chemical Analysis,” Wm. Crookes, F.R.S., on, 81
Botanical Science, its Study in England, 193

Chemical Dynamics, J. H. Gladstone, F.R.S., and Alfred Tribe
Botany at the Br. A., 317, 355, 377

on, 195; (Br. A.), 291
Botany, Domestic,” by John Smith, A.L.S., 301

Chemical Papers, Published Abstracts of (Br. A.), 331
Botany, First Catechism of,” 12

Chemical Society, its Journal, 2, 38, 95, 134, 359
Botany, Journal of, 77, 108, 233, 359, 399, 453, 498

Chemical Society, Newcastle-upon-Tyne, 284
Botany, Manual of Structural,” by M. C. Cooke, 44

Chemical Science at the Br. A. (Section B), Opening Address,
Botany of Africa, 11, 447 ; of India, 90 ; of Queensland, 349 ; 273 ; Sectional Proceedings, 291, 316, 331
of South America, 62

"Chemistry in the United States.” (Br. A.), 292
Boucard (M.), his proposed work on American Coleoptera, 50 Chemistry, Investigations by the late Prof. Payen, 261
Bradford (W.), his Paintings of Arctic Scenery, 210

Chemistry, Italian Journal of, 73 ; Literature of, 2
Brazil, Rock Inscriptions in, 114

Chemistry of Milk, 96
Brazil, Scientific Research in, 299

Chemistry, Manual of Organic," by Dr. Armstrong, 50
Brighton Aquarium, 394

Chestnut-tree of Mount Etna, 166
Brine (Capt. L., R.N.,) on the Ruined Cities of Central China, Science in, 43
America (Br. A.), 358

China, Fatal Earthquakes in, 145; Cultivation of the Poppy, 230
Bristol Observing Astronomical Society, 175, 359, 440

China, Fungi used for Food, 494
“Britain," Name of, 7, 27

Cholera, Jno. Murray on, 350
British Archaeological Association, 324, 374

Christ's Hospital, Science at, 11, 130
British Association, Arrangements for Meeting at Edinburgh, Chronometers, their Desects, 103

148, 229, 244 ; Remarks on the Meeting, 261, 313 ; Address Cinchona Cultivation in India, 245
by the President, 262 ; Opening Addresses in each Section, Civil Engineers, Institution of, 73, 417
270, 273, 277, 293, 297, 298, 318; Sectional Proceedings, 291, Civil Service Pensions, 260
292, 313, 315, 316, 317, 331, 352, 375, 376, 377, 396; Grants Claparède (Prof. E. R.) on Chætophorus Annelides, 36;
for Scientific Purposes, 314

Obituary Notice of, 224
British Association and Local Scientific Societies, 242

Clark (F. Legros) on the Mechanism of Respiration, 95
“ British Fungi, Handbook of,” by M. C. Cooke, M. A., 321 Clark (J. Edmund) on August Meteors, 304
“British Guiana, Geology of, 115

Clark (A.), his Telescope lor Washington Observatory, 433.
“ Bri ish Insects,” by E. F. Staveley, 22

Clark (Hyde), on the Derivation of the word Britanni," 7;
British Museum, Sponges added to its Collection, 50 ; the Natural On the Tramissibility of Intellectual Qualities,” 154
Ilistory Collections, 181; Report on Botanical Department, Classification of Fruits, 347, 475

Climate and Health of the Mauritius, 51

ܙܙ

286, 453

Clifton College Scientific Society, 51; Conversazione at, 148; Dall (W. H.) on Striated Muscular Fibre in Gasteropoda, 114 ;
its School of Science, 329; View of the Museum, 330

his “ Brachiopoda of the United States Coast Survey,” 238 ;
Climate of Nicaragua, 206

his Explorations in Alaska, 455
Clock Tower, Westminster, Magneto-Electric Light for, 107 Dana (Jas. D.) on the supposed Legs of Asaphus platycophalus,
Cloud Scenery, 4 ; New Form of, 489, 505

152, 254
Coal in Bolivia, 418 ; in India, 514; in Panama, 309 ; (Br. A.), Danger and Storm Signal Light, inextinguishable, 49
332 ; Royal Commission on, 148, 287

Darwin (Charles, F.R.S.) on a New View of Darwinism, 180
Coal Plants, Exogenous Structuresin (See Williamson, Prof. W.C.) Darwinism, Notes on, 5, 46, 117; a New View of, by Henry
Coal, Velocity of Sound in, 487, 506

H. Howorth, 161, 180, 200, 221, 240
Cobbold (Dr. T. Spencer, F.R.S.) on Entozoa, 479 ; on the Dase's Tables of Prime Numbers, 6

Beef Tapeworm, 506 ; on Stephanurus discovered in America Davidson (Thomas) Memoir of, in Geological Magazine, 36
and Australia, 508

Davies (Lieut. A. M., R. N.) on Saturn's Rings, 203
Coleoptera of America, M. Boucard on, 50; of New South Davis (A, S.) on the Aurora, 385
Wales, 436 ; of Pales'ine, 55

Davis (Barrett) his Tables of Prime Numbers, 6
Coles, Emily, Civil Service Pension to, 260

Davis (Henry) on Eclipse Photography, 445
College of Physical Science, Newcastle-upon-Tyne, 21, 189, Davy (Sir Humphrey) Statue to, at Penzance, 307
217, 284, 416, 435, 493

Dawkins (W. Boyd, F.R.S.) on the Interment in the Aurignac
College of Physicians, Scheme of Examination, 73, 168

Cave, 208 ; Mammalia of the Glacial Period (Br. A.), 355 ;
Colleges of Surgeons and Physicians, 229

Origin of Domestic Animals (Br. A.), 357 ; Classification of
College of Surgeons, Ireland, 129

the Palæolithic Age (Br. A.), 358; Discoveries of Platycnemic
Collins (J. H.), “ Western Chronicle of Science, 220, 243, 338 Men in Denbighshire, 388
Colour, the Sensation of, 27 ; Dr. H. M‘Leod, F.C.S., on Red Dawson (Principal, F.R.S.) on Hydrous Silicate in Fossils, 162 ;

and Blue, 122 ; Hon. J. W. Strutton, 142; "Is Blue a on the Higher Education of Women, 515
Primary Colour," 465; Lecture Experiments on, 346 ; Colour Day (St. John V,, C E.) “ Papers on the Great Pyramid,” 303
of the Sky, 4 ; Optical Phenomenon of, 68 ; Colour Vision, Debus (Dr., F.R.S.) on Ozone, 134
J. C. Maxwell on, 13 ; Colours of the Sea, W. M Master on, | Deep Sea Explorations, 73, 87, 167, 290 ; in America, 233 ; in
203, 305

the Baltic, 417; in Indian waters, 307 ; Dredging in the Gulf
Comet, Futtle's, its Ephemeris, by J. R. Hind, F.R.S., 374; of St. Lawrence, 210; Deep-Sea Temperature, 97 ; Resolu-
New, discovered by Temple, 189 ; Spectrum of, 95

tion of the Br. A., 313; (See Carpenter, Dr. W. B.; Ocean
Comets, Observations by J. Birmingham, 359 ; Sir W. Thomp- Currents)
son, F.R.S., on (Br. A.), 268

De Fonvielle (W.) on Aerostation, 3
Compass, Transparent, 366

Delaunay (M.) on the Thickness of the Earth's Crust, 28, 45,
Compound Prism for Spectrum Microscope, 511

65, 141
Comte (M.), and Anthropology, 466

Denbighshire, Discoveries of Platcycnemic Men in, 388
Conchology of Polynesia, 37; of the West Indies, 307

Denmark, Biology of, 150
Conservation of Force, 47

De Notaris (Dr. G.), "Epilogo della Briologia Italiana,” 383,
Constantinople, Astronomy in, 128

446 ; D. Moore, F.L.S., on, 487
Cook (Captain), Monument to, in New South Wales, 271 Derry, Natural History Society of, 51
Cooke (M.C, M.A.), his “Manual of Structural Botany,” 44 ; Deschanel (A. Privat), “Elementary Treatise on Natural Philo-
his “Handbook of British Fungi,” 321

sophy,” 343, 405, 425
Cooley (W. D.) on Elemetary Geometry, 485

Desert of the Tih, Report by C. F. Tyrwhitt Drake on, 33, 52
Cooper's Hill, Indian College of Civil Engineering, 244

Devonshire Assoc. of Literature, Science, and Art, 169, 374
Corals, 37, 38; Prof. P. M. Duncan on, 57

Dewar on Thermal Equivalents of Oxides of Chlorine (Br. A.), 291
Coral Fauna of the Deep Sea, 153

Diamond Fields of Natal, 190, 418
Corfield (Prof.) on Sewage, 287

Dickson (Alex., M.D.) Suggestions on Fruit Classification”
Corona, Remarks on che, 42, 121, 160; its Radial Appearance, (Br. A.), 347, 475

46; Prof. Serpieri on, 99 ; A. C. Ranyard, F.R.A.S., on, 466 Diving Bell, Photographic Apparatus for use in the, 477
Coronal Rists, A. C. Ranyard, F.R. A.S., on, 27; A. Brothers Dobell (Dr.) his Reports on Practical Medicine, 140
on, 66, 121

“Domestic Botany," by John Smith, A.L. S., 304
Cornwall Institution, 375

Donegal, Geology of, 234
Cornwall Polytechnic Society, 169, 287

Doubleday (Thomas), Matter for Materialists,” 321
Corrosion of Copper-plates by Nitrate of Silver (Br. A.), 353 Drake (C. F. T.) his Report on the Desert of the Tih, 33, 52
Cotteau and Triger (M. M.) their “Echinides du Département Dredging Expedition of Spain and Portugal, its Zoological Ře-
de la Sarthe," 120, 220

sults (Br. A.), 456
Cotteswold Naturalists' Field Club, 32

Dredging of the Gulf Stream, 87
Cotton-wool Respirators, 126, 164

Dresden Natural History Society, 133
Coutts (Baroness Burdett) her Prize for Essay on The Balance Drought caused by Drainage, 386
Spring,” 229

Dublin : Geological Society, 135; Natural History Society, 36,
Coventry Institute, Science Classes at, 493

135 ; Queen's University, 189; Royal Society, 96 ; Royal
Crace Calvert (F., F.R.S.), on “ Protoplasmic Life,” 57

Irish Academy, 19, 77, 136, 196, 379, 440 ; Trinity College,
Cramming for Middle Class Examinations, 202, 285

129 ; University Diploma on State Medicine, 137, 148
Criaoids, Palæozoic, Prof. Wyville Thomson, F.R.S., on their Duncan (Prof. P. M., F.R.S.), on Corals, 37, 57, 77 ; on the
Structure, 496

Coral Fauna of the Deep Sea, 153
Crocodiles at Greytown, 27

Durham University and College of Science at Newcastle, 21,
Coll (Jas.) on the Age of the Earth

189, 217
Crookes (William, F.R.S.), his “Chemical Analysis,” 81; on Dust and Smoke, Prof. Tyndall on, 124
* Psychic Force,” 237, 278

Dyer (Prof. W. T. T.), his Lectures on Botany, 107 ; on Mimicry
Crotch (G. R., F.L.S.) on Geographical Distribution of Insects, in Plants (Br. A.), 355; on Fossil Cryptogams, 444, 504 ;
65; his Expedition to Australia, 129

on Geometry at Oxford, 485; on Homoplastic Agreements
Cryptogamia in Coal Measures, Classification of, Prof. W. C. in Plants, 507

Williamson, F.R.S., on (Br. A.), 173, 357, 408, 426, 490, 504 Dymond (W. P.), on the Irish Fern in Cornwall, 8
Crystal Palace Aquarium, 469

Dynameier, New, Rev. T. W. Webb, F.R. A.S., on, 427, 446
Cundurango Tree, 514

Dynamics, Abstract, Cayley's Report on (Br. A.), 264
Cunningham (Major.-Gen. A., R.E.) “ The Ancient Geography Dynamics, Stokes's Theory, Sir William Thomson, F.R.S., on
of India,” 381

(Br. A.), 267
Cycloid, the, Note by R. A. Proctor, F.R.A.S., 465, 487 Dynamite, Dr. Guyot on, 156
Cyclone in the West Indies, 417, 454, 464

Ear, the, Dr. Arthur Boettcher on its Structure, 64
Cyclones, Converging of Wind in, 254; Low Barometer in, Earth, the, its Age as determined by Tidal Retardation, 323;
226; J J. Murphy on their Origin, 305

its Internal Structure, H. Hennessy, F.R.S., on, 182 ; its
Czermak (Prof.) bis Electric Double Lever, 5

Temperature, 133 ; Thickness of its Cru.t, 28, 45, 65, 141,
Dallas (W. S., F.L.S.) on “Newinan's British Butterflies,” 219 344, 366, 383

66

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