Nature

Bonney (Prof. T. G.), Relations of the Chalk and Boulder-
clay near Royston, 574

Bonnier (Gaston), the Habits of Bees and the Colours of
Flowers, 191

Bonnier (Pierre), Physiological Conditions of Oral Teach-
ing, 359

Bontoc Igorot, the, Albert Ernest Jenks, Dr. A. C.
Haddon, F.R.S., 584

Beckbinding, Report of the Committee on Leather for, 219

Books, an Inquiry for, G. Hammàm, 464

Books of Science, Forthcoming, 476

Boötis, Remarkable Variation in the Spectrum of, Drs.
H. Ludendorff and G. Eberhard, 474
Boraston (J. Maclair), Nature-tones and Undertones, 414
Borax and Boric Acid on the Human System, Third
Treatise on the Effect of, Dr. Oscar Liebreich, 611
Borchardt (W. G.), Elementary Algebra, 293

Bordas (F.), Method of Determination of the Foreign
Materials contained in Cocoa and Chocolate, 504
Bordas (L.), Accessory Glands to the Silk-producing
Apparatus of the Larvæ of Io Irene, 48
border occasionally seen between Light and Dark Regions
on Photographic Prints, Sir Oliver Lodge, F.R.S., 5,
54; Dr. F. J. Allen, 29; R. Child Bayley, 29

Borland (W. D.), Ignition of Nitro-compound Explosives

in Small-arm Cartridges, 525

Borneo: Everyday Life among the Head-hunters, and other
Experiences from East to West, Dorothy Cator, 203
Bornstein (Dr.), Landolt-Börnstein-Physikalischchemische
Tabellen, Supp. to November 30, vi

Borough Polytechnic Institute, the Place of Polytechnics in

Education, Sir Norman Lockyer, K.C.B., F.R.S., at,

521

Bort (L. Teisserenc de), the Exploration of the Atmosphere
over the Tropical Oceans, 54; the Vertical Distribution
of the Meteorological Elements above the Atlantic, 449

Borzi (M.), the late Prof. Federico Delpino, 277

Bossert (J.), Catalogue of 3799 Bright Stars, 495

Boston Colloquium, the, Lectures on Mathematics, Edward

Burr Van Vleck, Henry Seely White, and Frederick

Shenstone Woods, 122

Botany Wayside and Woodland Blossoms, Edward Step,

3: Vegetationsbilder, Drs. G. Karsten and H. Schenck,

4: Botany of the Far North of New Zealand, Dr. L.

Cockayne, 16; the History of Emulsin, L. Guignard, 23;

a New Species of Eucalyptus, J. H. Maiden, 24; New

South Wales Linnean Society, 24. 216; Handbuch der

Blutenbiologie, Ernst Loew, 26; Flora of West Prussia,

J. B. Scholz, 36; Brazilian Rubber Plants, Dr. J. Huber,

36: India-rubber plants, A. Chevalier, 47; the Rubber

Industry, 277: Cultivation of Rubber in Bassein, Bom-

bay, 616; Influence of Different Kinds of Light Radi-

ations on the Migration of the Albumenoids in the Wheat

Grain, J. Dumont, 48; Index Kewensis Plantarum

Phanerogamarum, Sir W. T. Thiselton-Dyer, K.C.M.G.,

F.R.S., 75; the Kew Bulletin, Sir W. T. Thiselton-Dyer,

K.C.M.G., F.R.S., 534; Light Emission by Plants, Prof.

H. Molisch, 85; the Galvanotropic Irritability of Roots,

Dr. Alfred J. Ewart and Jessie S. Bayliss, 94: Morph-

ology of Aerial Bulbs, Marcel Dubard, 96; the Isolation

of the Infecting Organism (Zoochlorella) of Convoluta

roscoffensis, F. Keeble and Dr. F. W. Gamble, 117;

Increase in the Dry Weight of Green Plants in a Soil

to which Amides have been added, Jules Lefèvre, 119;

Juglone, M. Brissemoret and R. Combes, 119; Sterile

Fruits Developed without the Intervention of the Male

Element, Th. Solacolu, 143; Fragmenta Phytographiæ

Australia occidentalis, L. Diels and E. Pritzel, 149;

Linnean Society, 167, 214, 287, 381, 454, 503, 598;

Embryology of the Amentiferæ, part ii., Carpinus

Betulus, Dr. Margaret Benson, Miss E. Sanday, and

Miss E. Berridge, 167; the Habits of Bees and the

Colours of Flowers, Gaston Bonnier, 191; Biochemie der

Pflanzen, Prof. Dr. Fr. Czapek, F. Escombe, 193; Corr.,

341: Death and Obituary Notice of F. W. Burbidge,

204: Casuarina stricta in New South Wales, R. H.

Cambage, 216; the Useful Plants of the Island of Guam,

W. E. Safford, 221; New Water-plant in the Pitch Lake

La Brea. J. H. Hart, 230; Welwitschia Mirabilis, Prof.

H. H. W. Pearson, 238; the Araucarieæ, A. C. Seward,

F.R.S., and Sibille O. Ford, 238; the Microsporangia of

the Pteridosperms, R. Kidston, F.R.S., 238; New
Creations in Plant Life, an Authoritative Account of the
Life and Work of Luther Burbank, W. S. Harwood,
242; Ascent of Sap in Trees, Frank Harris, 246; Insect-
ivorous Water-plant from Trinidad, Sir W. T. Thiselton-
Dyer, K.C.M.G., F.R.S., 246; Hydrocyanic Principle of
the Black Elder, L. Guignard, 262; Structure of Plants
Developed in the Light, without Carbon Dioxide, and

in Presence of Organic Materials, M. Molliard, 263;

Nutrition of Green Plants by Amides in the Absence of
Carbon Dioxide, Jules Lefèvre, 359: Mechanism of
Carbon Assimilation in Green Plants, Francis L. Usher
and J. H. Priestley, 525; the Uses of British Plants,
Rev. Prof. G. Henslow, 270; Death and Obituary_Notice
of Sir Mountstuart E. Grant-Duff, G.C.S.I., F.R.S.,
274; Better Methods of Propagation of Mushrooms, Dr.
B. M. Duggar, 276; the late Prof. Federico Delpino,
M. Borzi, 277; Illustriertes Handbuch der Laubholz-
kunde, part iv., C. K. Schneider, 293; Survey of the
Vegetation of the District South of Dublin, G. H.
Pethyridge and R. L. Praeger, 303; Rusts on Acacia in
Australia, D. McAlpine, 304; Rare Plants found in Scot-
land, J. G. Nicolson, 323; W. Young, 323; the Order
Bombacaceæ, 323; the Statolith Theory of Geotropism,

Prof. Schwendener, 349; the Oxlip, Prof. Errera, 374;

the Waterlilies, a Monograph of the Genus Nymphæa,

Henry S. Conrad, 379; Untersuchungen üb. d. Einwirk-
ung Schwefliger Säure auf die Pflanzen, Prof. Dr. A.
Wieler, F. Escombe, 385; the Generic Concept in the
Classification of the Flowering Plants, Prof. B. L.

Robinson, 405; Organography of Plants, Dr. K. Goebel,

412; Flowering and Seeding of Bamboos in Europe, 422;

Indian Forest Fungi, Dr. E. J. Butler, 423; the Manila
Elemi Plant, E. D. Merrill, 423; die Spaltöffnungs-
apparat im Lichte der Phylogenie, ein Beitrag zur
phylogenetischen Pflanzenhistologie,' Dr. Otto Porsch,

436; Botanische Jahrbücher, 437; Plants that Aid in the

Formation of Alluvial Flats in the Valleys of Aconcagua

and La Plata Rivers, Prof. G. F. Scott Elliot, 447;

Lemon-scented Leptospermum, R. T. Baker and H. G.

Smith, 456; Physiological Properties of West Indian

Boxwood, Harvey Gibson, 474; Bean containing Hydro-

cyanic Acid, Phaseolus lunatus, L. Guignard, 479: Death

and Obituary Notice of William Sowerby, 490; Webbia-

Raccolta di Scritti Botanici publicati in occasione del

50° anniversario della Morti di Fillipo Barker Webb,

510; the Origin of Gymnosperms, Prof. F. W. Oliver,

542; E. A. N. Arber, 542; Prof. A. C. Seward, 542;

a Newly Discovered Synangium, D. M. S. Watson, 542;

Atlas of Japanese Vegetation, Dr. Augustine Henry, 557;

Foliar Periodicity in Tropical Countries, H. Wright, 568;

Action of some Alkaloids with Respect to Pollen Tubes,

Henri Coupin, 576; British Flowering Plants, the Right

Hon. Lord Avebury, 604; see also British Association

Bouasse (M.), Elongation of Wires by Flexion, 277

Bouchard (Ch.), Action of Radium Emanation on Chromo-

genic Bacteria, 576

Boucherot (M.), Parallel Running of Alternate Current

Generators, 545

Bougault (J.), Use of Alcohol in the Preparation of Anti-

mony Tartrate, 480

Boule (Marcellin), Annales de Paléontologie, publiees sous

la direction de, 621

Boulenger (G. A., F.R.S.), Melanistic Form of the Wall-

lizard, 189

Bouvier (E. L.), Observations on Gennadas, 551

Bowyer (Mr.), Measures of Double Stars, 208

Boys (C. V., F.R.S.), a Gas Calorimeter, Paper at Royal

Society, 354

Brackenbury (C. E.), British Progress in Gas Works'

Plant and Machinery, 217

Brain-weights, the Biometrics of, 200

Braine (C. D. H.), on Irrigation in South Africa, 65

Brau (M.), Toxin and Antitoxin of Cholera, 528

Bréal (E.), Treatment of Seed with Copper Salts, 600

Breton (M.), Dangers of the Ingestion of Dead Tubercle

Bacilli into Tuberculous and Healthy Animals, 431;

Effects of the Absorption of Tuberculin by the Digestive

Tube, 503

Breuil (Father), Mural Paintings and Engravings of the

Pyrenean Caves, 354

Index

Bridgett (R. C.), an Introduction to Algebra, Supp. to
November 30, viii

Brightwen (Mrs.), Quiet Hours with Nature, 4
Brill (Dr.), on the Origin of the "Tael," 42
Brissemoret (M.), Juglone, 119

Britain, the Mammals of Great, and Ireland, J. G. Millais,
Supp. to November 30, iii

British Association, Meeting of, in South Africa (Continued)
Section C (Continued)-On the Classification of the
Karroo Beds, Prof. R. Brown, 90; on the Stormberg
Formation in Cape Colony, A. L. du Toit, 90; an
Artesian Well in the Karroo, Prof. A. Young, 91; on
Glacial Periods in South Africa, Mr. Rogers, 91; on
Changes of Climate as shown by Variations of the
Snow-line and Upper Tree-limit since Tertiary Times,
Prof. A. Penck, 91; on the Continent of Africa in
Relation to the Physical History of the Earth, Prof.
Sollas, 91; on the Sculpture of Mountains by Glaciers,
Prof. W. M. Davis, 91; on Baviaan's Kloof, a Con-
tribution to the Study of Mountain Folds, E. H. L.
Schwarz, 91; on the Rhodesian Banket, Prof. J. W.
Gregory, 91; on the Indicators of the Goldfield of
Ballarat, a Study in the Formation of Gold Pockets,
Prof. J. W. Gregory, 91; on the Origin of Pegmatites
as Products of the Crystallisation of the Residual
Mother Liquors of a Solidified Plutonic Magma, Prof.
R. Beck, 91; on the Magmatic Segregation of Sulphide
Ores, Prof. A. P. Coleman, 91; on Marginal Pheno-
mena of Granite Domes, Prof. Grenville A. J. Cole,
91; on the Zigzag Gorge of the Zambesi below the
Victoria Falls, G. W. Lamplugh, 91-2, 111; Recent
Work of the Geological Survey of the Transvaal, Mr.
Kynaston, 92; an Instrument devised by Mr. Oehmen
for Surveying Bore-holes, 92; on the Geology of Basuto-
land, Rev. S. S. Dornan, 92; on the Dolomite Form-
ation, C. B. Horwood, 92; on the First Tertiary Rocks
of Marine Origin discovered in South Africa, W. Ander-
son, 92; on the Evidences in the Transvaal of Glacial
Conditions in Permo-Carboniferous Times, E. T.
Mellor, 92; on the Diamond Pipes and Fissures of
South Africa, H. S. Harger, 92; Geological Excursions,
Section D (Continued)-Recent Work on Gametogenesis
and its Bearing on Theories of Heredity, L. Doncaster,
39; on Cases of Extensive Mortality among Marine
Animals on the South African Coast, Dr. J. D. F.
Ostrich-farming, Hon. Arthur
Gilchrist, 39; on
Douglass, 39; on the Origin of Mammals, Prof. Broom,
40; on some Early Stages in the Development of Peri-
patus, Dr. W. F. Purcell, 40; on the Migration of
Birds in the Southern Hemisphere, W. L. Sclater, 40;
on Locust Destruction in the Transvaal during the
Season 1904-5, C. B. Simpson, 40; on Convergent
Evolution as Illustrated by the Litopterna, Prof. W. B.
Scott, 40; on the Origin of Vertebrates, Dr. W. H.
Gaskell, F.R.S., 40; on the Growing Point of the
Vertebrata, Prof. Cleland, F.R.S., 41; Insects as
Carriers of Disease, A. E. Shipley, F.R.S., 235; Zoo-
logy at the British Association, Corr., Dr. S. F.
Harmer, F.R.S., 125

Section E (Continued)-On the Outlines of the Physical
Geography of the Cape Colony, H. C. Schunke Holl-
way, 18; on the Physical Features of the Transvaal,
Tudor Trevor, 19; on the Climate of South Africa,
C. Stewart, 19; on the Indigenous Forests of South
Africa, Mr. Hutchins, 19; on the Geographical Cycle
in Arid Areas, Prof. Davis, 20

Section G (Continued)-On Colonial Dutch Architecture,
C. H. Smith, 64; on Steam Turbines as applied to
Ocean Liners, Prof. Biles, 64; on Roller Bearings,
Mr. How, 64; on Motor-cars in South Africa, A. T.
Hennessey, 64; on Cape Government Railways, Mr.
Tippett, 64 on Electrical Power Distribution for the
Rand, Mr. Hammond, 65; on South African Harbours,
C. W. Methven, 65; on Irrigation in South Africa,
C. D. H. Braine, 65; the Copper Deposits of Little
Namaqualand, J. H. Ronaldson, 66
Section H (Continued)-On the Totemism of the Bantu,
E. Sidney Hartland, 66; the Musical Instruments of.
South Africa, Henry Balfour, 66; on Artificial De-
formation in Africa, Prof. von Luschan, 66; on the

June 14, 1906

Mental Characteristics of the Bechuana, Rev. Canon
Crisp, 66; on the Art of the Bushman, W. A. Squire,
66; on the Basuto, A. E. Mabille, 67; on the Racial
Affinities of the Hottentots, Prof. von Luschan, 67;
the Rhodesian Ruins, Randall MacIver, 67

Section I (Continued)-Physiology at the British Associ-
ation, J. Barcroft, 138; on the Effect of Climate
Dr.
Health, Sir T. Lauder Brunton, F.R.S., 138; on the
South Africa,
of Tuberculosis in
Prevalence
Gregory, 138; Effect of High Altitudes upon Health,
Prof. Bohr, 138; on the Heat Production in the Organs
of Secretion and Excretion, Mr. Barcroft, 138; on the
Diseases which have Devastated the Stock of South
Africa, Mr. Hutcheon, 138; on Ticks as a Means of
Transmission of Discase, Chas. P. Lounsbury, 138; on
the Nature of Scurvy as it Exists in South Africa, Dr.
Gregory, 138-9; Plague Epidemics in Cape Colony, Dr.
Mitchell, 139; Leprosy in South Africa, Dr. R. S.
Black, 139; Prof. Sims Woodhead, 139; Rinderpest
and other Stock Diseases, Hon. George Turner, 139;
Dr. Theiler, 139; on the Conditions of Native Labour
in the Mines, Dr. Macaulay, 139; Dr. Irvine, 139; on
the Means of Estimating the Percentage of Chloro-
form Vapour in Air by Means of the Densimeter, Prof.
Waller, F.R.S., 139; on the View that the Compara-
tively Small Molecules into which the Food is Broken
Down in the Intestine do not Exist in the Blood as
Such, Dr. Pavy, F.R.S., 139; Evolution of the Present
Knowledge of Immunity Artificially Acquired, Dr. M.
Armand Ruffer, 139

Section K (Continued)-On Recent Advances in Our
Knowledge of Seaweeds, Prof. R. W. Phillips, 162-3;
on some of the Problems of Heredity, R. P. Gregory,
163; on the Value of Botanical Photographs, Prof.
F. E. Weiss, 163; on Educational Methods in the
Teaching of Botany, Harold Wager, F.R.S., 163;
A. C. Seward, F.R.S., 163; Prof. Douglas Campbell,
163; Methods of Teaching Botany in the James Allen
School for Girls at Dulwich, Miss Lilian Clarke, 163;
on the Floras of Tropical Africa, Prof. Engler, 163:
on the Phyto-geographical Subdivisions of South Africa,
Dr. Marloth, 163; on the Climate and Life Zones of
the Transvaal, J. Burtt-Davy, 163; Irrigation Farming
as carried on at the Orange River Farms at Baviaan-
krantz, F. B. Parkinson, 163; on the Dissipation of
Absorbed Solar Radiation by Xerophilous Plants, Dr.
Horace T. Brown, F.R.S., 164; Investigations into the
Development and Germination of the Spores of Wel-
witschia, Prof. H. H. W. Pearson, 164; on the Heal-
ing of Parenchymatous Tissues in Plants, Prof. M. C.
Potter, 164; Infection Phenomena in the Uredineæ,
I. B. P. Evans, 164; on the Action of Calcium Com-
pounds on Plasmodiophora Brassicae, Dr. G. Potts,
164

Section L (Continued)-On the Development of Education
in the Colony, Rev. W. E. C. Clarke, 41; on the
Disabilities of the South African Schoolboy, W. W.
Tael," Dr.
Way, 41; Agricultural Education, F. B. Smith, 42;
A. D. Hall, 42; on the Origin of the
Brill, 42
British Association and Our Colonies, Prof. John Milne,
F.R.S., 77; Prof. J. C. Beattie, 222

British Association, the Forthcoming Meeting of the, at
York, 564

British Birds Past and Present, Eggs of the Native Birds
of Britain and List of, W. J. Gordon, 387
British Colonies, a Historical Geography of the, the West
Indies, C. P. Lucas, C.B., 245

British Empire, Mining Law of the, Charles J. Alford,
Bennett H. Brough, 482

British Excavations in the Near East, 1904-5, 102
British Flowering Plants, the Right Hon. Lord Avebury,
604
British Islands, the Lepidoptera of the, a Descriptive
Account of the Families, Genera, and Species Indigenous
to Great Britain and Ireland, their Preparatory States,
Habits, and Localities, Charles G. Barrett, 532
British Journal Photographic Almanac, the, and Photo-
grapher's Daily Companion for 1906, 221
British Mosses, E. F., 54

British Museum: Catalogue of the Collection of Birds'

14, 196

Eggs in the British Museum (Natural History), E. W.
Oates and Captain S. G. Reid, 53; Catalogue of the
Madreporarian Corals in the British Museum (Natural
History), Henry M. Bernard, 412; Catalogue of the Fossil
Plants of the Glossopteris Flora in the Department of
Geology, British Museum (Natural History), being a
Monograph of the Permo-Carboniferous Flora of India
and the Southern Hemisphere, E. A. Newell Arber, A. C.
Seward, F.R.S., 577

British Plants, the Uses of, Rev. Prof. G. Henslow, 270
British Progress in Engineering, 217

British Science Guild, the, 10

British Tunicata, the, an Unfinished Monograph, the late
Joseph Alder and the late Albany Hancock, Dr. W.
Garstang, 508

Broca (André), Photographic Study of the Duration of Dis-
charge in a Crookes's Tube, 431

Brontosaurus, the Skeleton of, and Skull of Morosaurus,
Prof. Henry Fairfield Osborn, 282

Bronze, the Origin of, Dr. John W. Evans, 414
Brooks (M.), Discovery of a New Comet, 326

Brooks, Comet 1906a, M. Ebell, 375, 425, 494; Prof. Hart-
wig, 375; MM. Rambaud and Sy, 407; Dr. Abetti,

494

Broom (Prof.), on the Origin of Mammals, 40

Broom (Prof. R.), on the Classification of the Karroo Beds,

Brough (Bennett H.), Mining Law of the British Empire,
Charles J. Alford, 482

Brown (Ernest W., F.R.S.), Theory of the Motion of the
Moon, 272

Brown (Dr. Horace T., F.R.S.), on the Dissipation of
Absorbed Solar Radiation by Xerophilous Plants, 164
Brown (J. A.), Wave-lengths of Silicium Lines, 17
Brown (J. C.), the Critical Temperature and Value of
ML 6 of some Carbon Compounds, 382

Brown (John N.), Science Handbooks for Laboratory and
Class-room Elementary Physics, 578

Browne (Frank Balfour), Practical Sea-fishing, a Handbook
for Sea Anglers, P. L. Haslope, 51

Browne (M. A.), the Second Law of Thermodynamics, 102
Brues (C. T.), the Cotton Bollworm, 257

Brunhes (Bernard), Dissymmetry of the Loss of Electricity
in Mountainous Countries, 48

Brunton (Sir T. Lauder, F.R.S.), on the Effect of Climate
on Health, 138; the late Sir John Burdon-Sanderson,
150: Education in Connection with the Threefold
Character of Man, 259

Bryan (Prof. G. H., F.R.S.), the Second Law of Thermo-
dynamics, 125; the Engineer's Unit of Force, 174; In-
tegral Calculus for Beginners, Alfred Lodge, 337
Bryce (Dr. T. H.), Development of the Thymus Gland in
the Lung-fish Lepidosiren paradoxa, 304

Buchanan (J. Y., F.R.S.), the Total Solar Eclipse of
August 30, 173

Buckman (S. S.), Brachiopod Homoeomorphy, the Diphyoid
Terebratulæ, 575

Buckmaster (Martin A.), a Descriptive Handbook of Archi-
tecture, 52

Bührer (C.), Climate of St. Moritz, 350

Beel (A. W.), Reinforced Concrete Construction, 457
Buenos Aires, Anales del Museo Nacional de, 581
Building: the Cement Industry of Manitoba, J. Walter
Wells. 108; Cements, Limes, and Plasters, their
Materials, Manufacture, and Properties, E. C. Eckel,
457: Cement and Concrete, L. C. Sabin, 457; a Treatise
on Concrete, Plain and Reinforced, F. W. Taylor and
S. E. Thompson, 457; Reinforced Concrete Construc-
tion, A. W. Buel and C. S. Hill, 457; Concrete Steel,
a Treatise on the Theory and Practice of Reinforced
Concrete Construction, W. Noble Twelvetrees, 457
Buisson (H.), New Determination of the Mass of a Cubic
Decimetre of Pure Water, 86; Cooper-Hewitt Lamp as
a Source of Monochromatic Light, 551
Bunsen (Robert), Gesammelte Abhandlungen von, 147
Burbank (Luther), New Creations in Plant Life, an Authori-
tative Account of the Life and Work of, W. S. Harwood,

242

Burbidge (F. W.), Death and Obituary Notice of, 204
Burch (Dr. George J., F.R.S.), Terminology in Electro-
physiology, 78

Burdon-Sanderson (Sir J. S., Bart., F.R.S.), Death of,
105; Obituary Notice of, 127

Burdon-Sanderson (the late Sir John), Sir Lauder Brunton,
F.R.S., 150

Burgess (C. H.), Convection Effects in a Heated Liquid,
143

Burke (John Butler), Action of Radium on Gelatin Media,
5; "Radiobes,
399
Burnside (Prof. W.), Arithmetical Nature of the Coefficients
in a Group of Linear Substitutions of Finite Order, 71;
the Hessian Configuration and its Connection with the
Group of 360 Plane Collineations, 190

Bursaries at the Royal College of Science, Prof. John
Perry, F.R.S., 32

Burton (E. F.), Magnetic Susceptibility of Iron in
Colloidal Solution, 455

Burtt-Davy (J.), on the Climate and Life Zones of the
Transvaal, 163

Bury (Prof. J. B.), an Inaugural Lecture, 307
Butler (Dr. E. J.), Indian Forest Fungi, 423

Butter, the Adulteration of, C. Simmonds, 466, 535; J. H.
Lester, 535

Buxton (Prof. B. H.), Outlines of Physiological Chemistry,
483

Cabanis (Prof. Jean Louis), Death and Obituary Notice of,
420

Caddo, Traditions of the, George A. Dorsey, 317
Caird (Principal John), the Science of History, 307
Calcutta, Asiatic Society of Bengal, 143, 432

Calculus, Integral, for Beginners, Alfred Lodge, Prof.
G. H. Bryan, F.R.S., 337

Calculus of Variations, Lectures on the, Dr. Oskar Bolza,

122

Calendar, Star, for 1906, 87

Calkins (F. C.), a Geological Reconnaissance Across the
Cascade Range, 376

Callandar (Prof. H. L.), Apparatus for measuring Coronal
Radiation during an Eclipse, 47

Calman (Dr. W. T.), Crustacea from Lakes Tanganyika,
Nyasa, and Victoria Nyanza, 526

Calmette (A.), Dangers of the Ingestion of Dead Tubercle
Bacilli into Tuberculous and Healthy Animals, 431;
Effects of the Absorption of Tuberculin by the Digestive
Tube, 503

Calorimeter, a Gas, C. V. Boys, F.R.S., at Royal Society,
354

Cambage (R. H.), Casuarina stricta in New South Wales,
216

Cambridge: Cambridge Philosophical Society, 118, 191,
455, 527, 599; the Revolution of the Corpuscle, A. A.
Robb at Cavendish Laboratory, 321; Cambridge Tracts
in Mathematics and Mathematical Physics, No. 2, the
Integration of Functions of a Single Variable, G. H.
Hardy, 558

Cameron (F. K.), the Mineral Constituents of the Soil
Solution, 398

Cameroons, on an Alleged New Monkey from the, R. I.
Pocock, 297; Dr. H. O. Forbes, 319
Camichel (G.), Fluorescence, 277

Campbell (A.), Use of Chilled Cast Iron for Permanent
Magnets, 357

Campbell (Prof. Douglas), on Educational Methods in the
Teaching of Botany, 163

Campbell (Norman R.), Atomic Disintegration and the
Distribution of the Elements, 152; a Plea for Absolute
Motion, 484

Campbell (Prof.), a Catalogue of Spectroscopic Binaries,
352

Camus (L.), Hordenine, its Toxicity, 288; Action of
Sulphate of Hordenine on the Circulation, 336; Action
of Hordenine Sulphate on Soluble Ferments and on
Micro-organisms, 383

Canada: Canadian Electric Power Stations at Niagara,
Orrin E. Dunlap, 161; Summary Report of the Geo-
logical Survey Department of Canada for the Calendar
Year 1904 (1905), 376; in the Heart of the Canadian
Rockies, James Outram, 362; Canadian Tides, W. Bell
Dawson, 618

Canal, the Panama, 198

Candy (Hugh C. H.), Introduction to Chemical Analysis,
459

Cantrill (T. C.), Igneous and Associated Sedimentary
Rocks of Llangynog (Caermarthenshire), 381
Cape, the, Geological Survey, W. Gibson, 187
Cape, Higher Education at the, 110

Carbon, a New Oxide of, Otto Diels and Bertram Wolf,
452

Carnegie (D. J.), the Engineer's Unit of Force, 6, 54
Carnegie Institution of Washington, Contributions from the
Solar Observatory of the, the Solar Observatory on
Mount Wilson, California, Prof. G. E. Hale, 67
Carnivorous Habits of the New Zealand Kea Parrot, Prof.
W. B. Benham, 559

Carré (P.), Molecular Conductivity of the Phosphoric
Esters, 96

Carrel (F.), an Analysis of Human Motive, 318

Carpenter (Dr. H. C. H.), Properties of a Series of Iron-
Nickel-Manganese-Carbon Alloys, 108

Carpenter (Prof.), Segmentation and Phylogeny of Arthro-
pods, 252

Carpentry, a Manual of, and Joinery, J. W. Riley, 363
Carse (G. A.), Relation between the Velocity and the
Volume of the Ions of Certain Organic Acids and Bases,
599

Cartailhac (E.), Mural Paintings and Engravings of the
Pyrenean Caves, 354

Cartography: the Survey Atlas of England and Wales,
J. G. Bartholomew, 218

Carus-Wilson (Cecil), Sounding Stones, 246

Cascade Range, a Geological Reconnaissance Across the,
G. O. Smith and F. C. Calkins, 376

Caspari (W.), Höhenklima und Bergwanderungen in ihrer
wirkung auf den Menschen, 553

Catalogue of Variable Stars, 87

Catania, Eclipse Observations at, 495

Cator (Dorothy), Everyday Life among the Head-hunters,
and other Experiences from East to West, 203
Causation, the New Science of, H. Croft Hillier, 194
Cavalier (J.), Pyrophosphoric Compounds, 600
Cave (C. J. P.), Flying Kites in Barbados, 262

Cazes (E.), New Type of Compound in the Group of Rare
Metals, 287

Cement and Concrete, L. C. Sabin, 457

Cements, Limes, and Plasters, their Materials, Manu-
factures, and Properties, E. C. Eckel, 457

Cement Materials and Industry, E. C. Eckel, 376
Centenary, the Royal Medical and Chirurgical Society of
London, 1805-1905, Dr. Norman Moore and Stephen
Paget, Prof. R. T. Hewlett, 388

Ceraski (Prof.), Stellar Magnitude of the Sun, 279
Cerruti (Dr. Attilio), "Bidder's Organ
upon the Testes

of Bufo calamita, 328
Ch'üfu, Shantung, Sounding Stones at, Alfred Tingle, 222
Chablay (E.), Preparation of Ethylenic and Acetylenic
Hydrocarbons, 287

Chadwick (S.), Action of Ultra-violet Light on Moist and
Dried Mixtures of Carbon Monoxide and Oxygen, 190
Chaffer (Richard F.), the Chelsea Power Station, Lecture
at the Institution of Electrical Engineers, 20
Challenger Society, 95, 381

Champreux (Mr.), Comet 1906a, 352; Comet 1906b, 474
Chaney (Henry James), Death and Obituary Notice of, 419
Chapman (D. L.), Action of Ultra-violet Light on Moist
and Dried Mixtures of Carbon Monoxide and Oxygen,

190

Chapman (Mr.), Palæozoic Rocks and Fossils of Gippsland,
16

Chasse, Elevage et Piégeage, A. de Lesse, 26
Chattaway (F. D.), Benzoic Sulphinide, 189
Chauffage des Habitations par Calorifères, le, M. Raymond
Périssé, 100

Chauvenet (M.), Action of Glucose on Selenious Acid, 263
Cheddar, Rock Fall at, Prof. S. H. Reynolds, 372
Cheirality of Form of Crystals of Epsom Salt, Dr. H. C.
Pocklington, 270

Chelsea Power Station, the, Richard F. Chaffer at the
Institution of Electrical Engineers, 20

Copper Sulphate, P. Vaillant, 23; the History of Emulsin,
L. Guignard, 23; the Use of Gasoline in Chemical and
Physical Laboratories, J. R. Foster, 29; Is Radium a
Disintegration Product of Uranium? Bertram B. Bolt-
wood, 37; Action of Radium and Other Salts on Gelatin,
W. A. D. Rudge, 119, 455; New Researches on the
Atomic Weight of Nitrogen, Prof. P. A. Guye, 37; the
Density of Nitric Oxide, the Atomic Weight of Nitrogen,
P. A. Guye and Ch. Davila, 119; the Complete Separ-
ation of the Air into Pure Oxygen and Nitrogen, a
System of Fractional Distillation of Liquid Air, Georges
Claude, 119; Isothermal Distillation of Nitrogen and
Oxygen, and of Argon and Oxygen, I. K. Inglis, 357:
Apparatus for Separation of Oxygen and Nitrogen by
Liquefaction of Air, Georges Claude, 423; Composition
of the Hydrochloroferric Colloid with respect to the
Amount of Hydrochloric Acid Present in the Suspending
Liquid, G. Malfitano, 47; Researches on the Affinity of
the Elements and on the Causes of the Chemical Simi-
larity or Dissimilarity of Elements and Compounds,
Geoffrey Martin, 49; Electrochemical Behaviour of
Thorium X, F. von Lerch, 62; Tensile Strength of
Copper-tin Alloys, E. S. Shepherd and G. R. Upton, 62;
Chemical Society, 71, 118, 189, 262, 357, 382, 431, 479.
551, 623; the Mechanism of Fermentation, E. Frankland
Armstrong, 71; Mixed Derivatives of Dextrorotatory
Camphoric Acid and on B-Campholide, A. Haller and
G. Blanc, 71; Volumetric Method of Estimating the
Cinchona Alkaloids, P. W. Robertson, 71; Stereo-
isomerism of Substituted Ammonium Compounds, H. O.
Jones, 71; the Fluorides of Selenium and Tellurium,
E. B. R. Prideaux, 71; Influence of Water and Alcohols
on the Boiling Point of Esters, J. Wade, 71; Bromine
Fluoride, E. B. R. Prideaux, 71; Migration of Carboxyl
in the Dehydration of Certain Acid Alcohols, E. E.
Blaise and A. Courtot, 72; the Study of Chemical Com-
position, an Account of its Method and Historical De-
velopment, Ida Freund, 74; Studies on Enzyme Action,
vii., Synthesis of Maltose and Iso-maltose, E. Frankland
Armstrong, 93; Studies on Enzyme Action, Lipase, Prof.
Henry E. Armstrong, F.R.S., 94; Nitrates and Nitrites
as Manure, Th. Schloesing, 95; Molecular Conductivity
of the Phosphoric Esters, P. Carré, 96; General Method
for the Synthesis of aß-Glycidic Esters and of Ketones,
Georges Darzens, 96; Death and Obituary Notice of Dr.
James Monckman, 106; Relation of Stability to Electro-
chemical Efficiency in Hypochlorite Production, W. P.
Digby, 117; Condensation of Ketones with Mercury
Cyanide, J. E. Marsh and R. De Jersey Fleming-
Struthers, 118; Silicon Researches, J. E. Reynolds, 118;
Green Compounds of Cobalt produced by Oxidising
Agents, R. G. Durrant, 118; the Rusting of Iron,
E. Divers, 118; G. T. Moody, 623; Action of
Chloride of Silicon on Iron, Em. Vigouroux,
Action of Nitrogen Sulphide on Organic Substances,
F. E. Francis, 118; Preparation of Racemic Amyl
Alcohol, P. Freundler and E. Damond, 119: Juglone,
M. Brissemoret and R. Combes, 119; the Tetrazoline
Group, S. Ruhemann and R. W. Merriman, 119: Atomic
Disintegration and the Distribution of the Elements,
Donald Murray, 125; Frederick Soddy, 151; Norman R.
Campbell, 152; Geoffrey Martin, 152; the Death-knell of
the Atom, 132; Decomposition of Ammonium Sulphate
by Hot Sulphuric Acid in the Presence of Platinum,
Marcel Delépine, 143: Commercial Silicide of Copper,
Paul Lebeau, 143; the Distillation of Copper, Henri
Moissan, 143; Benzylidene Derivatives of Anthrone and
Anthranol, A. Haller and M. Padova, 143; Intensive
Nitrification, A. Muntz and E. Laine, 143; Gesammelte
Abhandlungen von Robert Bunsen, Prof. Arthur Smithells,
F.R.S., 147; the Colour of Natural Waters, Prof. W.
Spring, 159 Certain Radio-active Properties of Uranium,
T. Godlewski, 160; Silico-aluminides, Em. Vigouroux,
167; a-Decahydronaphthol and the Octahydride of
Naphthalene, Henri Leroux, 167; Victorium and the
Ultra-violet Phosphorescence of Gadolinium, G. Urbain,
167-8; Prulaurasine, H. Hérissey, 168; Introduction to
the Study of Organic Chemistry, John Wade, 172;
"Mathematics " applied to Chemistry, Geoffrey Martin,
175; the Reviewer, 175; the Physical and Chemical
Properties of Iron Carbonyl, Sir James Dewar and H. O.

119;

June 14, 1906_

Jones, 188; Constitution of Silver Nitrites, P. C. Rây
and A. C. Ganguli, 189; Benzoic Sulphinide, F. D.
Chattaway, 189; Action of Heat on a-Hydroxycarboxylic
Acids, H. R. Le Sueur, 189-90; Action of Ultra-violet
Light on Moist and Dried Mixtures of Carbon Monoxide
and Oxygen, S. Chadwick, J. E. Ramsbottom, and D. L.
Chapman, 190; Estimation of Carbon Monoxide in Air
by lodic Anhydride, Albert Lévy and A. Pécoul, 335;
Difficulties Presented by the Estimation of Carbon Mon-
oxide in Gaseous Mixtures, Armand Gautier and M.
Clausmann, 455; Silver Dioxide and Silver Peroxynitrate,
E. R. Watson, 190; Caro's Permonosulphuric Acid, T. S.
Price, 190; Distillation of Gold, the Alloys of Gold and
on a New Method of Preparation of the Purple of Cassius,
Henri Moissan, 191; New Solvent for Gold, J. Moir, 623;
Solution of Platinum in Sulphuric Acid, Marcel Delépine,
192; New Compound of Fluorine and Bromine, Paul
Lebeau, 192; Action of Phosphorus Pentachloride on
B-Naphthol, E. Berger, 192; Crystallised Hæmatin, MM.
Piettre and Vila, 192; Diastatic Hydrolysis of Xylane,
Gaston Seillière, 192; Biochemie der Pflanzen, Prof. Dr.
Fr. Czapek, F. Escombe, 193; Corr., F. Escombe, 341;
New Methods of Testing Explosives, C. E. Bichel, 194;
Dewar's Method of producing High Vacua by Means of
Charcoal, Lord Blythswood and H. S. Állen, 207;
Physical and Chemical Properties of Solutions of Chloro-
form and other Anæsthetics, Prof. B. Moore and Dr.
Herbert E. Roaf, 213; Chemische Technologie, Dr. Fr.
Heusler, 243; Elements of Quantitative Analysis, Dr.
G. H. Bailey, 244; Insoluble Potassium Compounds Con-
tained in Humic Materials, M. Berthelot, 262; Hydro-
cyanic Principle of the Black Elder, L. Guignard, 262;
Influence of some Factors on Experimental Partheno-
genesis, Yves Delage, 262; Benzoyl Nitrate, F. E.
Francis, 262; Chemical Dynamics of Alcoholic Ferment-
ation by Yeast, A. Slator, 262; Intramolecular Change
Leading to the Formation of Naphthalene Derivatives,
E. F. J. Atkinson and J. F. Thorpe, 262; Solubility of
Zinc Hydroxide in Alkalis, J. Moir, 262; the Slow Com-
bustion of Carbon Disulphide, N. Smith, 262; Determin-
ation of the Rare Gases in Natural Gaseous Mixtures,
Charles Moureu, 263; Action of Acetylene on Iodine
Pentoxide, Georges F. Jaubert, 263; Action of Glucose
on Selenious Acid, MM. Echsner de Coninck and Chau-
venet, 263; Action of Ammonia Gas on the Tribromide
and Triiodide of Phosphorus, C. Hugot, 263; New Mode
of Preparation of Barium, M. Guntz, 263; Exercises in
Quantitative Chemistry, Harmon Northrop Morse, 268;
Cheirality of Form of Crystals of Epsom Salt, Dr. H. C.
Pocklington, 270; Death of Dr. H. J. P. Sprengel,
F.R.S., 274; Obituary Notice of, 302; the Coagulation
of Colloidal Solutions of Ferric Hydroxide, F. Giolitti,
278; New Type of Compound in the Group of Rare
Metals, C. Matignon and E. Cazes, 287; Electrolytic
Preparation of Spongy Tin, D. Tommasi, 287; Cuprous-
silicide, Em. Vigouroux, 287; Reduction of Chlorides of
Silver and Copper by Calcium, L. Hackspill, 287; Pre-
paration of Ethylenic and Acetylenic Hydrocarbons, E.
Chablay, 287; Hordenine, a New Alkaloid extracted from
the Germs of Barley, E. Léger, 288; Action of Hordenine
Sulphate on Soluble Ferments and on Micro-organisms,
L. Camus, 383; Radio-activity, Prof. E. Rutherford,
F.R.S., Hon. R. J. Strutt, F.R.S., 289; Higher Mathe-
matics for Students of Chemistry and Physics, with
Special Reference to Practical Work, Dr. J. W. Mellor,
290; First Steps in Quantitative Analysis, J. C. Gregory,
293; Chlorides in Nerve Cells and Fibres, Prof. A. B.
Macallum and Miss M. L. Menten, 311; Refractory
Metals in the Electric Furnace, Prof. Henri Moissan,
325; Unsuccessful Attempt to Liquefy Helium, Prof.
Olszewski, 325; Influence of the Reaction of the Medium
on the Activity of Amylase and on the Composition of
Saccharified Starch, L. Maquenne and Eug. Roux, 335;
Group C(OH) of the Tertiary Alcohols, Louis Henry,
335; the Whitening of Wheaten Flour, E. Fleurent, 335;
Influence of Colouring Matters on Form of Crystals,
P. Gaubert, 335; Variations of Phosphoric Acid and
Nitrogen in the Juices of the Leaves of Certain Plants,
G. André, 335; Utilisation of Nitrogen in Air by Plants,
Thos. Jamieson, 531, 607; A. D. H., 608; New Mode of
Formation of Silicon Soluble in Hydrofluoric Acid, Paul

Lebeau, 335; a Silicide of Thorium, O. Hönigschmid,
335; Combustion of Acetylene by Oxygen, Paul
Mauricheau-Beaupré, 335; the Electric Production of
Nitrates from the Atmosphere, Prof. Sylvanus P. Thomp-
son, F.R.S., at Royal Institution, 355; Refractive Indices
of Crystallising Solutions, H. A. Miers and F. Isaac,
357; Effect of Constitution on the Rotatory Power of
Optically Active Nitrogen Compounds, M. B. Thomas
and H. O. Jones, 357; Determination of Available Plant
Food in Soil by the Use of Weak Acid Solvents, A. D.
Hall and A. Amos, 357; Silicon Thiocyanate, J. E.
Reynolds, 357; New Compounds of Fluorine, E. B. R.
Prideaux, 357; Causes of "Blowing in Tins of Con-
densed Milk, Dr. G. H. Pethybridge, 358; Rapid Pre-
parations of Solutions of Hydriodic Acid, F. Bodroux,
359; Alloy of Thorium and Aluminium, O. Hönigschmid,
359; Researches on the Halogen Compounds of the
Borates of Barium and Strontium, L. Ouvrard, 359;
Nutrition of Green Plants by Amides in the Absence of
Carbon Dioxide, Jules Lefèvre, 359; Jahrbuch der
Chemie, 364; Death and Obituary Notice of Prof.
Alexander Müller, 371; New Method of Directly Trans-
forming a-Benzoylamino-p-hydroxycinnamic Acid into
Tyrosine, Dr. P. W. Latham, 374; the Critical Tempera-
ture and Value of ML/0 of some Carbon Compounds,
J. C. Brown, 382; Oxidation Products of the Hydroxy-
benzoic Acids, A. G. Perkin, 382; Hydroxylamine-aß-
disulphonates, T. Haga, 382; Benzenediazo--semi-
carbazinocamphor and its Derivatives, M. O. Forster,
382; Relations between Absorption Spectra and Chemical
Constitution, part i., Chemical Reactivity of the Carbonyl
Group, A. W. Stewart and E. C. C. Baly, 382; part ii.,
the Quinones and a-Diketones, E. C. C. Baly and A. W.
Stewart, 382; part iii., Nitranilines and Nitrophenols,
E. C. C. Baly, W. H. Edwards, and A. W. Stewart,
382; Sublimation of Sulphur at Ordinary Temperatures,
R. J. Moss, 383; Rotatory Powers of Hexahydrobenzy-
lidene and Enanthylidencamphors, A. Haller and F.
March, 383; Condensation of the Acetylenic Nitriles with
Alcohols, Ch. Moureu and T. Lazennec, 383; Cyclo-
hexylacetone, P. Freundler, 383; Engineering Chemistry:
a Manual of Quantitative Chemical Analysis for the use
of Students, Chemists, and Engineers, Thomas B. Still-
man, 387; the Form of Atoms in Relation to their
Spectra, Prof. F. von Lindeman, 392; the Mineral Con-
stituents of the Soil Solution, F. K. Cameron and J. M.
Bell, 398; Development of the Swedish Chemical In-
dustries, 399; Determination of the Molecular Weight
of Silver Vapour by Nernst's Torsion Balance, H. v.
Wartenburg, 400; Behaviour of Platinum and Iridium in
Chlorine Water and in Dilute Hydrochloric Acid, 403;
the Sanitary Value of a Water Analysis, Prof. Leonhard
P. Kinnicutt, 404; Calcium Iodomercurates, A. Duboin,
408; Sulphides of Phosphorus, H. Giran, 408; Strontium,
MM. Guntz and Roederer, 408; Recombination of the
Ions in Saline Vapours, G. Moreau, 408; Zur Erkenntniss
der Kolloide, Ueber irreversible Hydrosole und Ultra-
mikroskopie, Richard Zsigmondy, Dr. J. A. Milroy, 410;
Memorial to Dr. W. H. Perkin, 419, 444; the Perkin
Jubilee and Chemical Industries, Sir Henry E. Roscoe,
F.R.S., 438; Thermochemistry, Prof. van 't Hoff, 421;
Ionisation in Gases from Coloured Flames, Percival
Lewis, 424; Fusion and Distillation of Metals of the
Platinum Group, Prof. Henri Moissan, 424; Society of
Chemical Industry, 430, 525, 598; Carburetted Water
Gas in the Bunsen Burner, M. Chikashige, 430; Loss
of Nitre in the Chamber Process, J. K. H. Inglis, 430;
Removal of Nitrous Acid from Concentrated Nitric and
Sulphuric Acid, O. Silberrad and B. J. Smart, 430;
Spontaneous Crystallisation of Supersaturated Solutions,
H. Hartley, 431; New Tropeines, H. A. D. Jowett and
A. C. O. Hann, 431; Modification of the Volumetric Esti-
mation of Free Acid in the Presence of Iron Salts, C.
Chester Ahlum, 431; Resolution of 2: 3-Dihydro-3-
Methylindene-2-Carboxylic Acid into its Optically Active
Isomerides, A. Neville, 431; Cuprous Formate, A. Angel,
431; Solubility of Triphenylmethane in Organic Liquids,
H. Hartley and N. G. Thomas, 431; Condensation of the
Acetylenic Nitriles with Phenols, Ch. Moureu and I.
Lazennec, 431; Function of Organic Matter in Nitrifica-
tion, A. Müntz and E. Laine, 431; Synthesis of Tertiary

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