Collett (Anthony), a Handbook of British Inland Birds,
511

Collinge (Walter E.), Report on the Injurious Insects and
Other Animals observed in the Midland Counties during
1905. 293

Collins (F. Howard), "390° Mariners' Compass Card,"
594

Collodion Emulsion, Henry Oscar Klein, 5
Coloration of Sodalite, Fugitive, Jas. Currie, 564
Colour Illusions, B. J. P. R., 586

Colour Phenomena in Boletus coerulescens, Edgar Trevi-
thick, 318; Geo. Massee, 380

Colour Photography: M. Lippmann's Method of Photo-
graphy in Colour, 459; Natural-colour Photography, Dr.
E. König, Supp. to October 11, vi; Colour-correct Photo-
graphy, T. Thorne Baker, Supp. to October 11, vi
Colouring of Guereza Monkeys, Mr. Lydekker, 309
Colours and Magnitudes of Double Stars, Mr. Lewis, 549
Colours of Sun-spots, the, Th. Hansen, 548

Colquhoun (Archibald R.), a People at School, H. Fielding
Hall, Supp. to May 3, vii

Comets: Comets 19064 and 1906c, Prof. Abetti, 18; E.
Stromgren, 18; Comet 1906c, Miss Lamson, 64; Comet
1906b (Kopff), M. Ebell, 64, 158; Prof. Wolf, 158;
Observations of Comet 1905c, 88; the Expected Return
of Holmes's Comet, Dr. H. J. Zwiers, 41; Return of
Holmes's Comet (1906), Prof. Max Wolf, 474; Holmes's
Comet (1906), Prof. Wolf, 499, 525; Observations of
Comets, Prof. H. Howe, 112; Search-ephemeris for
Finlay's Comet, M. L. Schulhof, 231; Finlay's Comet
(1906d), L. Schulhof, 253, 282, 339, 371, 386, 417, 453,
Herr Kopf, 282; M. Fayet, 339; M. J.
Guillaume, 417; M. Quénisset, 575; Observations of
Minor Planets and Comets, Prof. E. Weiss, 306; Dis-
covery of a New Comet (1906e), Herr Kopff, 452; Herr
Graff, 453, 499: Comet 1906e (Kopff), M. Ebell, 474,
499, 575: Prof. E. C. Pickering, 499; Prof. Millosevich,
575: Messrs. Crawford and Champreux, 619
Commutator, Motors, Single-phase, F. Punga, 606
Compass Adjustment, Lectures on, Captain W. R. Martin,

499,

221

Compatriots' Club Lectures, Supp. to October 11, ix
Comstock (George C.), the Luminosity of the Brighter
Stars, 41

Concrete Blocks, the Manufacture of, and their Use in
Building Construction, H. H. Rice and W. M. Torrance,
608

Condensation Nuclei, C. T. R. Wilson, F.R.S., 619
Condon (T.), Seal-skull from Miocene of the Oregon Coast,
208

Congo, Reports of the Expedition to the, 1903-5, Liverpool
School of Tropical Medicine, 269

Congresses the International Congress of Anthropology
and Prehistoric Archaeology, 211; Botanical Congress at
Hamburg, 621

Constable (F. C.), Poverty and Hereditary Genius, a
Criticism of Mr. Francis Galton's Theory of Hereditary
Genius, 350

Constellations, Researches into the Origin of the Primitive,
of the Greeks, Phoenicians, and Babylonians, Robert
Brown, jun., 410

Conway (Sir Martin), No Man's Land, a History of Spits-
bergen from its Discovery in 1596 to the Beginning of
the Scientific Exploration of the Country, 381
Cooke (H. M.), Old Pewter, 281

Coomaraswamy (A. K.), Sinhalese Earthenware, 498
oomaraswamy (Ethel M.), Old Sinhalese Embroidery,

450

Cooper Medical College, San Francisco, Lectures on
Tropical Diseases, being the Lane Lectures for 1905
delivered at the, Sir Patrick Manson, Dr. J. W. W.
Stephens, Supp. to May 3, ix

Copperthwaite (W. C.), Tunnel Shields and the Use of
Compressed Air in Subaqueous Works, 348

Cornish Circles. Notes on some, Sir Norman Lockyer,
KC B.. F.R.S., 126

Vorona, Photographing the, without a Total Eclipse, MM.
Millochau and Stefanik, 112, 158

sene (A. L.). Total Solar Eclipse of August 30, 1905,
142 Radium not detected in Extra-terrestrial Bodies,

Corvus cornix and C. corone, Distribution of the Forms
of, J. A. Harvie-Brown, 175; the Reviewer, 175
Cosmogony History of the Planetary System from Thales
to Kepler, Dr. J. L. E. Dreyer, 49; Modern Cosmo-
gonies, Agnes M. Clerke, 350

Cotswolds, Highways and Byways in Oxford and the,
Herbert A. Evans, 124

Coulter (John M.), a Text-book of Botany, Supp. to
October 11, V

Couturat (Louis), les Principes des Mathématiques, 265
Cousins (H. H.), Cassava Trials at the Hope Experiment
Station, Jamaica, 208

Coutts (Dr. J. M.), Recent Epidemic of Trypanosomiasis
in Mauritius, 375

Coventry (E. M.), the Rubber-tree Fiscus elastica, 450
Cowan (J. L.), United States Dry-farming, 304
Cowell (P. H.), Ancient Eclipses, II

Cramp (Wm.), on an Apparatus for the Production of an
Active Mixture of Gases which may be Used for Bleach-
ing and Sterilising Purposes, 525

Craniology Craniology of Natives of the Madras Presi
dency, Thugs, Veddahs, Tibetans, and Seistanis, Sir
William Turner, K.C.B., 215; Skull of Immanuel Kant
Contrasted with that of a Member of the Neanderthal
Race, A. Rauber, 280; the Correlation between Intelli-
gence and the Size of the Head, Dr. Raymond Pearl,
304; Skulls of Californian Indians, A. Hrdlicka, 335
Crawford (Mr.), Comet 1906e, 619

Crichton (D. C.), Electrolysis of Potassium Ethyl Dipropyl
Malonate, 190

Crichton-Browne (Sir James), Birth-rate of Blackpool, 545
Crime, Chemistry and the Detection of, 440

Critic of Biometry, the Latest, Prof. Karl Pearson, F.R.S.,
465

Croft (W. B.), some Simple Questions on the Images of
Microscopes and Telescopes, 71

Crompton (Colonel), on Electropositive Coatings for the
Protection of Iron and Steel from Corrosion, 501

Crookes (Sir William, F.R.S.), the Ultra-violet Spectrum
of Ytterbium, 343; on Radio-activity and the Internal
Structure of the Earth, 454

Crossland (C.), the Fungus Flora of Yorkshire, 196
Crustacea: the British Woodlice, being a Monograph of
the Terrestrial Isopod Crustacea occurring in the British
Islands, Wilfred Mark Webb and Charles Sillem, 99
Crystallography: the Action of a Radiation on
Diamonds, C. W. R., 271

66

Crystals: State of Colouring Matters in Crystals Coloured
Artificially, P. Gaubert, 24

Cubic Surfaces, on Models of, W. H. Blythe, 197
Cull (Miss), Life Cycle of the Protozoa, 552
Cumberland, a Larch Sawfly in, 529

Cumming (A. C.), Methyl Derivatives of Ortho- and Meta-
amino-benzoic Acids, 407

Cunnington (W. A.), the Tanganyika Problem, 550
Curie (Madame), Polonium Identical with Radium F, 185
Currie (Jas.), Fugitive Coloration of Sodalite, 564
Curtis (Dr. H. D.), the Origin of Castor, 282
Cyanide Industry, the, Theoretically and Practically Con-
sidered, R. Robine and M. Lenglen, Dr. T. K. Rose,
195

Cytology: Algemeine Biologie, Oscar Hertwig, Prof. J. B.
Farmer, F.R.S., 25

Dall (W. H.), Smithsonian Institution, Bulletin of the
United States Museum, Fossil Invertebrates, 163
Dalton (W. H.), on the "Red Hills" of the East Coast
Salt Marshes, 457

Dalton, Avogadro and, the Standing in Chemistry of
their Hypotheses, Dr. Andrew N. Meldrum, 537
Daniel, Solar and Lunar Cycles implied in the Prophetic
Numbers in the Book of, Dr. W. Bell Dawson, 154
Darbishire (A. D.), a New Conception of Segregation, 553
Darbishire (Dr. F. V.), on Oxidation in Soils and its Rela-

Darwin (Dr. Francis), Periodicity, 161
Darwin (Sir G. H., K.C.B., F.R.S.), the Bicentenary
Celebration of the Birth of Benjamin Franklin, 36;
Report of the Directors of the Meteorological Office
upon an Inquiry into the Relation between the Estimates
of Wind-force According to Admiral Beaufort's Scale and
the Velocities Recorded by Anemometers belonging to
the Office, 106; the Figure and Stability of a Liquid
Satellite, 115; the South African Medal of the British
Association, 225; on Radio-activity and the Internal
Structure of the Earth, 454

Darwinism and the Problems of Life, a Study of Familiar
Animal Life, Prof. Conrad Guenther, 268

Date, the Day of Week for any, W. E. Johnson, 271
Date of Easter, the, Alexander D. Ross, 175; Chas. Leigh,
175; Dr. J. L. E. Dreyer, 199; Rev. C. S. Taylor, 200
Davenport (C. B.), Inheritance in Poultry, 583

David (Prof. Edgeworth), on the Problems connected with
the Paleozoic Glaciation of Australia, India, and South
Africa, 549

Davies (J. H.), Physical Constants of Ammonia, 261
Davies (S. H.), on the Removal of Dust and Smoke from
Chimney Gases, 500; on the Chemistry of Gums, 526
Davis (Harvey N.), the Longitudinal Vibrations of a
Rubbed String, 473

Davis (W. A.), the Basic Carbonates of Magnesium, 574
Davison (Dr. Charles), the Earthquake in South Wales,
225

Dawson (Dr. W. Bell), Solar and Lunar Cycles implied
in the Prophetic Numbers in the Book of Daniel, 154
Day (Arthur L.), Small Plates of Quartz Glass Suitable
for Optical Apparatus, 87; Lime-silica Series of Minerals,
644

Day of Week for any Date, the, W. E. Johnson, 271
Dead, Letters from the Dead to the, Oliver Lector, 102
Dead Heart of Australia, the, a Journey Round Lake Eyre
in the Summer of 1901-2, with some Account of the
Lake Eyre Basin and the Flowing Wells of Central
Australia, Prof. J. W. Gregory, F.R.S., 296

Dead-water, on, the Norwegian North Polar Expedition,
1893-6, vol. v., V. Walfrid Ekman, Sir W. H. White,
K.C.B., F.R.S., 485

Deafness in Man, Hereditary, E. Schuster, 63, 108
Defects in Ostrich Feathers in South Africa, Prof. J. E.
Duerden, 55

Deinhardt (Kurt), the Deinhardt-Schlomann

Series of

Technical Dictionaries in Six Languages, English,
German, French, Italian, Spanish, Russian, 6
Déléarde (A.), Intestinal Origin of Tuberculous Tracheo-
bronchial Adenopathy, 143

Demoussy (E.), Acid Properties of Starch, 24

Dendy (Prof.), Spicule Formation in Sponges, 551; Pineal
Eye of Geotria and Sphenodon, 553

Denmark, the Development of Agriculture in, R. J.
Thompson, 193

Denning (W. F.), Observations of Jupiter in 1903 and
1905-6, 210; Early Meteors of the Perseid Shower, 246;
Planets and Planetary Observations, 282, 386; a Large
Meteor, 351; the Planet Mercury, 499; Observations of
Jupiter, 525; Rotation Period of Jupiter's Equatorial
Region, 549

Dennstedt (Dr. M.), Lehrbuch der gerichtlichen Chemie,
440

Dentistry: Lecture Notes on Chemistry for Dental
Students, Dr. H. Carlton Smith, 315

Deslandres (Dr.), Luminous Particles in the Chromo-
sphere, 18; Proposed Daily Photographs of Chromo-
spheric Radiations, 135; a New Form of Photometer,
644

Destruction of Animals in Australia, T. Steel at Linnean
Society, New South Wales, 188

Destructors: the Disposal of Municipal Refuse, H. de B.
Parsons, 630; Garbage Crematories in America, W. M.
Venable, 630

Deszendenztheorie, Vorlesungen uber, mit besonderer
Berücksichtigung der Botanischen Seite der Frage
gehalten an der Reichsuniversität zu Leiden, Dr. J. P.
Lotsy, W. Bateson, F.R.S., 146

Determinants, the Theory of, in the Historical Order of
Development, Dr. T. Muir, F.R.S., 462

Nature

13

Vessels, 60; New Charcoal Calorimeter and Thermo-
scope, 203; the Matteucci Medal awarded to, 477
Diamonds, the Action of "a" Radiation on, C. W. R.,
271

Dickinson and Shields's (Messrs.) Soap Bubble Fountain,

III

Dictionaries, the Deinhardt-Schlomann Series of Technical,
in Six Languages, English German, French, Italian,
Spanish, Russian, Kurt Deinhardt and Alfred Schlo-
mann, 6
Dieseldorff (E. P.), Mexican and Central American
Antiquities, Calendar Systems, and History, 30

Diet Study of the Dietaries of Students' Residences in
Edinburgh, Dr. Isabella Cameron, 263: Diet and
Dietetics, Prof. A. Gautier, 380

Diffloth (Paul), Agriculture Générale, le Sol et les
Labours, 4

Diffusion, Thermodynamics of. Prof. G. H. Bryan, F.R.S..
246

Dines (W. H., F.R.S.), Balloons and Kites in the Service
of Meteorology, 35; Report of the Directors of the
Meteorological Office upon an Inquiry into the Relation
between the Estimates of Wind-force according to
Admiral Beaufort's Scale and the Velocities recorded by
Anemometers belonging to the Office, 106; Typical Squall
at Oxshott, May 25, 1906, 215

Diptera, Durham, a Preliminary List of, with Analytical
Tables, Rev. W. J. Wingate, 512

Dirichlet's (G. Lejeune), Vorlesungen über die Lehre von
den einfachen und mehrfachen bestimmten Integralen,
G. Arendt, 265

Discovery of Logarithms, the, Cecil Seymour-Browne, 174:
the Reviewer, 175

Discovery of Magnetic Declination, the, Prof. G. Hellmann,
137

Disease Preventable Disease and Military Strength, 154:
Family Diseases and Temperaments, Prof. Karl Pearson,
F.R.S., 245: Bacteria in Relation to Plant Diseases,
Erwin F. Smith, Prof. R. T. Hewlett, 294: the
Management of a Nerve Patient, Dr. A. T. Schofield,
440; Diseases of Sheep, Prof. R. T. Hewlett, 623
Disinfectant, Sulphur Dioxide as a, Dr. John Wade, 209
Distant (W. L.), a Synonymic Catalogue of Homoptera,
part i., Cicadida, 197; the Fauna of British India, in-
cluding Ceylon and Burma, Rhynchota, vol. iii., Hetero-
ptera-Homoptera, 220

Distillation: Hindu Method of manufacturing Spirit from
Rice, J. C. Ray, 96

Distribution of the Stars, Prof. Kapteyn, 112
Disturbance of Greenwich Observations, 200
Diurnal Variation of Ionisation in Closed Vessels, George
C. Simpson, 8; Dr. O. W. Richardson, 55
Dixey (Dr. F. A.), Papers on Lepidoptera, 552

Dixon (Prof. A. C.), on Expansions in Products of Oscil-
latory Functions, 456

Dodgson (Aquila), Discovery of Seven Thousand Roman
Coins, 20

Doelter (Dr. C.), Petrogenesis, 242

Doflein (Dr. F.), Termite Truffles, 157: Ostasienfahrt,
Erlebnisse und Beobachtungen eines Naturforschers in
China, Japan, und Ceylon, 510
Dog-feeding, the Secrets of, 149
Dollo (L.), Zoologie-Poissons, 298

Doncaster (L.), the Nature of Fertilisation, 551; Papers
on 'Lepidoptera, 553

Doolittle (Prof.), Measures of Double and Multiple Stars,
88

Dorsey (G. A.), the Ponca Sun Dance, 645

Double Stars: New Catalogue of Double Stars, Prof. R. G.
Aitken, 18; New Double Stars, Rev. T. E. Espin, 211;
Measures of Double and Multiple Stars, Prof. Doolittle.
88; Double-star Measures, Dr. G. van Biesbroeck, 371:
Colours and Magnitudes of Double Stars, Mr. Lewis,
549

Dow (J. S.), Colour Phenomena in Photometry, 166
Downing (Dr.), the Total Solar Eclipse of January, 1908,
18; Occultation of a Star by Venus, 573

a Draconis, Radial Velocity of, H. Ludendorff, 185
Dreaper (W. P.), Absorption of Gallic Acid by Organic
Colloids, 94

and the Origin of Atmospheric Electricity, C. T. R.
Wilson, 94; les Procédés de Commande à Distance au
Moyen de l'Electricité, Captain Régis Frilley, 125; Be-
haviour of Platinised Electrodes, H. D. Law, 141; the
Electrochemical Problem of the Fixation of Nitrogen,
Prof. Philippe A. Guye, 142; the Theory of Moving Coil
and other Kinds of Ballistic Galvanometers, Prof. H. A.
Wilson, 166; Bifilar Galvanometer Free from Zero Creep,
A. Campbell, 166; Applications of Bessel's Functions to
Physics, Prof. F. Purser, 166; Resistance of Electrolytes
for High-frequency Currents, André Broca and S.
Turchini, 166; Automatic Arc-lamp, H. Tomlinson and
G. T. Johnston, 166; Long-flame Arc Lamps, L.
Andrews, 573; the Magnetic Inertia of a Charged Sphere
in a Field of Electric Force, G. F. C. Searle, F.R.S.,
198; Visibly Luminous Electrical Discharges in vacuo
obtained with Comparatively Low Electrical Pressures,
A. A. C. Swinton, 204; Method of obtaining Continuous
Currents from a Magnetic Detector of the Self-restoring
Type, L. H. Walter, 214; Electricity Meters, a Treatise
on the General Principles, Construction, and Testing of
Continuous Current and Alternating Current Meters for
the Use of Electrical Engineers and Students, Henry G.
Solomon, 219; Theory of Directive Antennæ or Unsym-
metrical Hertzian Oscillators, Prof. J. A. Fleming,
F.R.S., 238; Effects of Self-induction in an Iron Cylinder,
Prof. Ernest Wilson, 239; Simple Form of Rotating
Kathode for Electrochemical Analysis, Dr. F. Mollwo
Perkin, 239; Electrolysis of Solutions of Thiocyanates
in Pyridine and in Acetone, S. Binning and Dr. F.
Mollwo Perkin, 239; Effect of Radium in facilitating the
Visible Electric Discharge in vacuo, A. A. C. Swinton,
262; Effect of the Electric Spark on the Actinity of
Metals, T. A. Vaughton, 262; Dielectric Strength of
Thin Liquid Films, Dr. P. E. Shaw, 262; Effect of
Oscillations on Iron in a Magnetic Field, Dr. W. H.
Eccles, 262; Aufnahme und Analyse von Wechselstrom-
kurven, Dr. Ernst Orlich, Dr. J. A. Harker, 268; Tele-¦
graphy, T. E. Herbert, Maurice Solomon, 290; the
Principles of Electric Wave Telegraphy, Dr. J. A.
Fleming, Maurice Solomon, 290; Wireless Telegraphy,
Dr. Gustav Eichorn, Maurice Solomon, 290; Wireless
Telegraphy, W. J. White, Maurice Solomon, 290; an
Electrically Controlled Petrol Motor-bus, 302; Electricity
in Mines, 309; Action of the Silent Discharge on
Cyanogen, H. Gaudechon, 312; the Positive Charge
carried by the a Particle, Frederick Soddy, 316; Moteurs
a Collecteur a Courants alternatifs, Dr. F. Niethammer,
Val. A. Fynn, 346; Relation existing between Electrical
Resistance and the Viscosity of Electrolytic Solutions,
P. Massoulier, 376; die neueren .Wandlungen der elec-
trischen Theorien einschiesslich der Elektronentheorie
zwei Vortrage, Dr. Gustave Holzmüller, 380; the Oxida-
tion of Atmospheric Nitrogen in the Electric Arc, Dr.
F. Mollwo Perkin, 444; the Electrical Signs of Life and
their Abolition by Chloroform, Dr. Augustus D. Waller,
F.R.S., 447 Metallic Lead Electrolytically deposited
from an Acidified Solution of Lead Acetate, R. C.
Snowdon, 452; Elementary Electrical Engineering in
Theory and Practice, J. H. Alexander, 488; Atmospheric
Electricity in Algeria, Ch. Nordmann, Dr. C. Chree,
F.R.S., 505; Optical Illusions on Electric Fan, T. Terada,
540; Chemical and Electrical Changes induced by Light,
H. S. Allen, 564; Electrical Engineering in Theory and
Practice, G. D. Aspinall Parr, 581; Electrical Organs
of the Proboscis-fish, H. Schlichter, 592; Influence of
Electric Fields on Spectral Lines, Prof. G. F. Hull,
603; Single-phase Commutator Motors, F. Punga, 606;
Elementary Electrical Calculations, W. H. N. James
and D. L. Sands, 608; Photoelectric Properties of
Anthracene, A. Pochettino, 618; the New Muspratt
Laboratory of Physical and Electrochemistry at the Uni-
versity of Liverpool, 624; Ionic Velocities in Air at
Different Temperatures, P. Phillips, 627; Electrical
Nature of Matter and Radio-activity, Prof. Harry C.
Jones, 632; Résistance, Inductance et Capacité, M. J.
Rodet, 633; Experimental Electrochemistry, N. Munro
Hopkins, Supp. to May 3, vi

Elements of Geology, the, Prof. W. H. Norton, 102
Elliot (G. F. Scott), a First Course in Practical Botany,

Ellis (Dr.), Experiments to show that Cilation cannot be
used as a Taxonomic Character among Bacteria, 577
Elms (E. F. M.), a Pocket-book of British Birds, 511
Elster (M.), Isolation and Identification of Radio-thorium
from the Sediments of Bad Kreuznach, 473

Elston (T. S.), the Fluorescence of Anthracene Vapour,
385

Embleton (Alice L.), Origin of the Sertoli or Foot-cells of
the Testis, 260

Embryology: the Breeding Industry, Walter Heape, F.R.S.,
Dr. Francis H. Marshall, 101

Engels (P.), Derivatives of Brazilein, 93
Engineering: the Deinhardt-Schlomann Series of Technical
Dictionaries in Six Languages, English, German, French,
Italian, Spanish, Russian, Kurt Deinhardt and Alfred
Schlomann, 6; the Education and Training of the
Engineer, 33; Death of Sir David Dale, Bart., 38;
Modern Milling Machines, Joseph G. Horner, 149:
Specific Heat of, Heat Flow from, and other Pheno-
mena of the Working Fluid in the Cylinder of the
Internal Combustion Engine, Dugald Clerk, 164; the
Principles and Practice of Iron and Steel Manufacture,
Walter Macfarlane, 197; a Practical Manual of Tides
and Waves, W. H. Wheeler, 218; Electricity Meters, a
Treatise on the General Principles, Construction, and
Testing of Continuous Current and Alternating Current
Meters for the Use of Electrical Engineers and Students,
Henry G. Solomon, 219; Theory of Structures and
Strength of Materials, Prof. Henry T. Bovey, 243:
Great Tunnels, Lewis M. Haupt, 280; Tunnel Shields,
and the Use of Compressed Air in Subaqueous Works,
W. C. Copperthwaite, 348; Modern Tunnel Practice,
D. McNeely Stauffer, 409; Iron and Steel Institute, 340,
the Geometry of the Screw Propeller, W. J. Goudie,
350; die neuren Wandlungen der electrischen Theorien
einschiesslich der Elektronentheorie zwei Vortrage, Dr.
Gustave Holzmüller, 380; Death of James Dredge, 414:
Elementary Electrical Engineering in Theory and Prac-
tice, J. H. Alexander, 488; Institution of Civil Engineers'
Medal Awards, 571; Electrical Engineering in Theory
and Practice, G. D. Aspinall Parr, 581; the Standard-
isation of Error, 593; the Manufacture of Concrete
Blocks, and their Use in Building Construction, H. H.
Rice and W. M. Torrance, 608; Speed and Stability in
Railway Travelling, G. R. Dunell, 636; Engineering
Mathematics, Simply Explained, H. H. Harrison, Supp-
to May 3, viii; see also British Association
Entomology: der Gegensatz zwischen geographischer und
nichtgeographischer Variation, Karl Jordan, 6; Termes
gestroi, Parasite of Para Rubber Trees, E. P. Stebbing,
85; Entomological Society, 119, 214; Death of Baron
C. R. Von der Osten Sacken, 108; Obituary Notice of,
Prof. G. H. Bryan, F.R.S., 180; Experiments relating
to the Compound Eyes of Insects, E. J. Spitta, 109;
the Grape Curculio, F. E. Brooks, 111; Relative Pro-
portion of the Sexes in Helopeltis theivora, H. H. Mann,
143; a Monograph of the Insect Injuries to Indian Corn,
S. A. Forbes, Fred. V. Theobald, 160; Departmental
Notes on the Insects that affect Forestry, E. P. Stebbing,
Fred. V. Theobald, 160; Characteristics of Certain
Indian Butterflies, T. R. Bell, 183: a Synonymic Cata-
logue of Homoptera, part i., Cicadida, W. L. Distant,
197; How do Inquiline Bees find the Nest of their
Host? Oswald H. Latter, 200; Rash caused by Cater-
pillars of Gold-tail Moth (Liparis auriflua), 206; the
Fauna of British India, including Ceylon and Burma,
Rhynchota, vol. iii., Heteroptera-Homoptera, W. L.
Distant, 220; the Source of the Blue Nile, a Record of
a Journey through the Sudan to Tsana in Western
Abyssinia, and of the Return to Egypt by the Valley of
the Atbara, with a Note on the Religion, Customs. &c..
of Abyssinia, Arthur Hayes, Entomological Appendix by
Prof. E. B. Poulton, F.R.S., Sir H. H. Johnston,
K.C.M.G., 247: Report on the Injurious Insects and
other Animals observed in the Midland Counties during
1905, Walter E. Collinge, Fred. V. Theobald, 203: the
Fertilisation of Pieris, I. Henry Burkill, 296; the Rose-
breasted Grosbeak and the Potato-beetle, 304; Strength
of a Beetle, Charles R. Keyser, 318; the Effects of In-
breeding, Cross-breeding, and Selection upon Drosophila,