Index 



VII 



Clark (J. McClare), The Effect of Post-war Conditions on 

 Agriculture, 743 



Clarke (A.), Coal-tar Colours in the Decorative Industries, 

 768 



Clarke (Dr. Lilian J.), The Botany Gardens of the James 

 Allen's Girls' School, Dulwich, 329, 512 



Clarke (W. G.), Our Homeland Prehistoric Antiquities, 

 and how to study them, 510 



Claxton (T. F), Report of the Royal Observatory, Hong- 

 Kong, 1 92 1, 229 



Clay (Dr. R. S.), The Photographic Lens from the Historical 

 Point of View, <<;=,. 739 



Cleland (Prof. J. B.), A Second Bird Census, 236 ; Ball 

 Lightning, 40 



Clements (F. E), Aeration and Air Content : the Role 

 of Oxygen in Root Activity, 58 



Clemesha (Lt.-Col.), Methods of Collection and Disposal 

 of Excreta suitable for Small Tropical Village^, J -;_' 



Clennell (J. E.), The Oxide Method of determining 

 Aluminium, 499 



Clerk (Sir Dugald), conferment upon, of an honorary 

 degree by Leeds University, 561 ; presented with 

 the Albert Medal of the Royal Society of Arts, 50 



Cluzet (J.) and A. Chevallier, The Radioactivity of the 

 Springs of Echaillon, 895 



Cobb (Prof. J. W.), Fuel in Relation to Health, 232; Low 

 Temperature Carbonisation, 718 ; Report of the 

 Department of Coal Gas and Fuel Industries (with 

 Metallurgy) of Leeds University, 26; The Thermal 

 Basis of Gas Supply, 671 



Coblentz (Dr. W. W.), Stellar Temperatures and Planetary 

 Radiation, 886 ; Tests of Stellar Radiometers, etc., 367 



Cochrane (J. A), Readable School Physics, 340 



Cockerell (Prof. T. D. A), An Ancient Wasp, 313 ; 

 Rudbeckia and Aquilegia, 278 ; and Dorothy Young, 

 A Mutation of the Columbine, 701 



Codrington (Dr. R. H), [obituary article], 425 



Cohen (Prof. J. B.), The New Smoke Abatement Bill, 269 ; 

 The Smoke of Cities, 414 



Coker (Prof. E. G), The Action of Cutting Tools, 118, 

 700 ; presented with the Howard N. Potts gold 

 medal of the Franklin Institute, 288 ; Recent Photo- 

 elastic Researches on Engineering Problems, 41 



Cole (Prof. G. A. J.), Rocks and their Origins. Second 

 edition, 768 ; The Oldest known Rocks of the Earth's 

 Crust, 39 ; The Primitive Crust of the Earth, 249 ; 

 The Reopening of Europe, 599 ; Volcanic Shower 

 in the N. Atlantic, 635 ; Water Underground, 242 ; 

 Wegener's Drifting Continents, 798 



Collett (A.), The Changing Year, 410 



Collingwood (R. G), Prof. A. E. Taylor, and Dr. F. C. S. 

 Schiller, Are History and Science different Kinds of 

 Knowledge ? 231 



Collins (H. F.), Some Crystallised Sulphates from the 

 Province of Huelva, Spain, 100 



Collins (S. H.) and B. Thomas, The Sugars and Albuminoids 

 of Oat Straw, 887 



Col well (Dr. H. A.), An Essay on the History of Electro- 

 therapy and Diagnosis, 52 



Coman (S.), bequest to Chicago University, 166 



Combes (R ) and Mile. Denise Kohler, The Disappearance 

 of Hydrocarbons in Dying Leaves, 623 ; The Rdle 

 of Respiration in the Diminution of the Carbohydrates 

 in Leaves during the Autumnal Yellowing, 468 



Compton (Prof. A. H.) and N. L. Freeman, The Intensity 

 of X-ray Reflection from Powdered Crystals, 38 



Comstock (Prof. G. C), Observations of Double Stars, 

 1907-1919, 7 



Constantin, Joessel, and Daloz, A Boat which moves 

 against the Wind, using the Wind itself as Motive 

 Power, 686 



Conway (Sir Martin), appointed to the Board of Trustees 

 of the National Portrait Gallery, 394 



Cook (H. D.) and Dr. A. H. Gibson, Hydro-electric 

 Engineering. Vol. i. : Civil and Mechanical, 108 



Cook (M.), The Antimony-bismuth system, 531 



Cooke, jr. (C. M.), Hawaiian Zonitida; and Succineida?, 365 



Cooke and Sons, Ltd. (T.), list of Surveying Instruments, 



324 

 Cooper (Dr. E. Ashley), appointed Lecturer in Public 

 Health Chemistry, 684 



Cooper (P. A.), The X-ray Structure of Potassium Cyanide , 



544 



Cooper (W. R.), appointed Editor of Science Abstracts, 493; 

 The Electrochemical Effects produced by super- 

 imposing Alternating Currents upon Direct Currents, 

 135 



Cornish (Dr. Vaughan), The Isothermal Frontier of 

 Ancient Cities, 558 



Cornthwaite (H. G.), Climate and Photography, \z-> 



Correa (Prof. A. A. M.), Homo (Os Modernos Estudos 

 sobre a Origem do Homem), 510 



Cortie (Rev. A. L.), The Influence of Science, 180, 378 



Costantin (J.), Acquired Heredity, 167 



Costerus (Dr. J. C.), Median Prohncation of Flowers of 

 Hemerocallis, |>i| 



Cousen (A.), Selenium in the Production of Colourless 

 Glass, 830 



Coward (T. A ), Manchester Birds, 1^22-1922, 563 



Crabtree (J. H.), Rocks and Fossils and How to Identify 

 Them, 74 



Craig (E. H. Cunningham), Carbonaceous Material in 

 Oil-shale, 55 



Crawford (O. G. S.), Harpoons under Peat at Holderness, 

 Yorks, 4S1 ; Long Barrows in the Cotswolds and 

 Welsh Marches, 583 



Crehore (Prof. A. C), The Hydrogen Molecule, 587 



Crewe (Marquess of), acceptance of the Presidency of the 

 British Science Guild, 611 



Crommelin (Dr. A. C. D.), Lt.-Col. G. L. Tupman, 742 ; 

 Prof. J. C. Kapteyn, 4S ; The Origin of Worlds, 660 ; 

 The reported Nova in Lyra, 821 ; The Total Solar 

 Eclipse of September 21, 389, 457 ; W. H. Wesley, 

 609 



Crommelin (Dr. C. A.) and others, Generation and Utilisa- 

 tion of Cold, 618 



Cronshaw (Dr. H. B.), Oil Shales, 307 ; Silver Ores, 477 



Crook (C. W), elected to the Senate of London University, 

 562 



Crook (T.), The Earth's " Crust " and its Composition, 253 



Crowther (Prof. C), appointed Principal of the Harper- 

 Adams Agricultural College, 399 



Crowther (Dr. J. A.), Ions, Electrons, and Ionising 

 Radiations. Third edition, 340 ; The Principles of 

 Radiography, 35 



Cuenot (L.) and L. Mercier, The Loss of the Faculty of 

 Flight in Parasitic Diptera, 532 ; and R. Poisson, 

 The Development of some Coaptations of Insects, 591 



Cummer (Prof. C. L.), A Manual of Clinical Laboratory 

 Methods, 731 



Cunningham (Dr. Brysson), Empire Water-power, 767 ; 

 Reservoir and other Dams, 661 



Cunningham (E.), Prof. Eddington's Romanes Lecture, 

 568 ; The Measurement of Intervals, 698 



Cunningham (J. T), Medical Education, 846 



Curie (Mile. Irene), The Determination of the Velocity 

 of a-rays of Polonium, 299 



Curie (M.), The Refractive Indices of the Phosphorescent 

 Sulphides, 655 



Curtis (Dr. H. D.), Absolute Magnitudes of Stars, 395 



Cushman (J. A.), Foraminifera of the Atlantic Ocean, 365 ; 

 Philippine Foraminifera, 261 



Cutler (D. W.), L. M. Crump, and H. Sandon, A Quantita- 

 tive Investigation of the Bacterial and Protozoan 

 Population of the Soil, 26 



Dakin (A.), Practical Mathematics. Part 1, 375 



Dakin (Prof. W. J.). Medical Education, 845 



Dalby (Prof. W. E), The Internal Combustion Engine, 122 



Dalton (Prof. J. P.), The Mathematics of the Homogeneous 



Balanced Action, 468 

 Damiens (A.), The Absorption of Ethylene by Sulphuric 



Acid, 623 ; The Crystallisation of Amorphous 



Tellurium, 63 

 Dana (Prof. E. S.), Third edition, revised and enlarged 



by Prof. W. E. Ford, A Text-book of Mineralogy : 



with an extended Treatise on Crystallography and 



Physical Mineralogy, 210 

 Dangeard (L.), The Geological Study of the Bottom of the 



English Channel, S95 



