Nature, 

 April 14, 19a 



J 



Index 



XI 



I 



Goufih (L. H.),The Effect Produced by the Attacks of the 



Pink Boll-worm on the Yield of Cottonseed and Lint 



in Egypt, 678 

 Gould (F. J.), Auguste Comte, 6 

 Gould (Lt.-Comdr. R. T.), History of the Chronometer, 



643 

 Goy (P.) The Lower Plants and the Accessory Factors of 



Their Growth, 818 

 Urabharn (Dr. M.), appointed Bradshaw Lecturer of the 



» Royal College of Physicians of London, 736 



Gramont (A. de). Table of Lines of High Sensibility of 



the Elements, Arranged for Analytical Work, 586 

 Urandiori (R.), Symbiotic Micro-organisms in P«>m 



hroisicae and ApanteUs glomeratus, 35 

 Grassi (Prof. P.), Malaria and X-rays, 100 

 Gray (Prof. A.), General Dynamics, 655 

 '^"y (J), elected Balfour Student in Cambridge University, 

 519; re-appointed Demonstratf>r of Comparative 

 Anatomy in Cambridge University, 34 

 Gray (Dr. J. G.), appointed Professor of .Applied Physics 



in Glasgow University, 199 

 Greenly (E.), The Geolopv of .Anglesey, 2 vols., 28a 

 Greenwood (Dr. M.), appointed Milroy Lecturer at the 



Royal College of Physicians of London, 736 

 liregory (Prof. J. VV.), Scottish County Geographies, 501 

 Grenet (F.), Appearance of Alcoholic Yeast in Vineyards. 



100 

 (irierson (Sir George), elected a Foreign Correspondani 

 of the Paris .Academy of Inscriptions and Belles 

 Lettres, 415 

 tiriflin (Charles) and Co., Ltd., Publishers, 1820-1920. 

 Thp Centenary Volume of, with a Foreword by Lord 

 Moulton, 403 

 (iriffiths (Dr. E. H.). elected General Treasurer of the 

 British Association, 351 ; and Major E. O. Henrici. 

 Need for the Creation within the Empire of a Central 

 Institution for Training and Research In Surveying, 

 etc., 390: Proposed Bril,ish Institute for Geodetic 

 Training and Research, 261 

 f; Grmiiller (H.), First. Observations of Denning's Nov.i 

 made at the Lyons Observatory, 167 

 Grover (C), [death], 837 

 Groves (J.), and Canon G. R. Bullock-Webster. The 



British Charophvta. Vol. i.. Nitelleae, 239 

 Gufrln (Lt.-Col. T. W. M. de), A Remarkable Sculpture in i 



Guern«ey, 157 

 Gua^isberg (Major F. G.), Survey Maps of the Gold Coast, 



. 7<9 

 Guild (J.), The Location of Interference Fringes, 4^8: 

 Fringe Systems in Uncompensated Interferometers, 458 

 Guillaumc (Dr. C. E.), awarded the Nobel Prize for Physics 

 for 1920, 383 ; Cause of Insi.ability in Nickel-steels of i 

 the Invar Type, 545 

 Guillaume (J.), Observations of the Sun made at the Lyons 



Observatory, 167, 586, 746 

 Guilliermond (A.), New Researches on the Vacuole Ap 



paratus in Plants, 551; I 



Gunn (Prof. J. A.), and R -^f \ Heathcote, Cellular I 



Immunity, 488 

 Gunn (J- W. C). The Anion of Eiiromit undulata, M3 . 



The Anion of Urginea Rurkti, 427 

 Gunlher (R. T.), elected to a Research Fellowship at I 

 Magdalen College, Oxford, 510 ' 



Guppy (Dr. H. B.), Evolution of Water Plants, .(62 

 Guthnick (P.), Variation in the Light of Jupiter, 322 

 r.uyer and Smith. Studies on Cytolysins, 742 ; Transmission 

 of Eye-defects Induced in Rabbits by means of Lens- 

 sensitised Fowl-serum. 167 



Haar (Dr. A. W. van der), Anieitung zum Nachweis. rur 

 Trennung und Bestimmung der reinen und out Gluko- 

 •iden usw. erhaltenen Monosaccharide unde Aldehyd- 

 •auren, 433 



H.iher (Prof.), appointed Professor of Chemistry In Berlin 

 University, 66 



llnddon (Dr A C \ M;,„:.,;„n, ^f Cjifures i,, British New 

 t.itiii' .1 



HadfieId'(Sir Robert), Presidential Address to the Confer- 

 ence of the British Commercial Gas .Association, 318; 

 The World Hunger for Steel, 738; S. R. Williams 

 and I. S. Bowcn, The Mechanical Analysis of Man- 

 ganese Steel, 714 



Hadley (P.), and D. Caldwell, The Normal Distribution of 

 Egg-weight in White Plymouth Rocks, 88 



Hagen (Rev. J. G.), The Galaxy and the " Via Nubila," 

 223 



H albert (J. N.), Mites Collected near Dublin and in Gal- 

 way Bay, 222 



H.ildare (Dr. J. S.), acceptance of the Post of Honorary 

 Professor in the Dom-aster Laboratory for Research 

 in Mining, 846 



Haldane (Viscount), Philosuphy of Relativity, 431 



Hale (Prof. G. E.), awarded' the Acton ian Prize of the 

 Smithsonian Institution, 76S ; elected a Foreign Mem- 

 ber of the Societi Italiana delle Scienze, Rome, 55 



Hall (Sir Daniel), The History of a Grain of Wheat from 

 the S<'e4;bed to the Breakfast-table, 614; to Organise 

 .Agricultural Education and Research, 288 



Hall (E. H.). Inferences from the Hypothesis of Dual 

 Electric Conduction : The Thomson Effect, 167 



Mall (H. R.), Canon C. H. W. Johns, 54 



II.tII (T. F.), Has the North Pole Been Discovered? 499 



ll.iller (Prof.), The Work of French Chemists in the War, 



Hallimond (A. E.), Montic^lite from a Mixer Slag, 425 : 



The Olivine Group, 848 

 Hamer (Dr. W. H.), awarded the Gold Medfal of the Royal 

 College of Physicians, 249 

 j Hamilton (A. .A.), Notes from the Botanic Gardens, Sydney, 



[ '35 



Hamilton (G. H.), Observations of the Planet Mars, 743 

 Hammick (D. L.), Atomic and Molecular Theory, 340 

 Hampson (Sir George F.), Catalogue of the Lcpidoptera 

 Phalxnx in the British Museum. Supplement. Vol. 

 ii. : Catalogue of the Lithosiadae (.Arctianae) and 

 Phalxnoididae in the Collection of the British Museum, 



78 

 Hamy (M.), Photography of Stars in Full Daylight, 3t>2 

 Hankin (Dr. E. H.), and F. Handley Page, The Problem 



of Soaring Flight, 518 

 Hansen (Capt. G.), Return of, 249 

 Hansson (.A.), and H. Jelstrup, Spectrum of Nova Aquibe 



III. in July, 1920, 682 

 Harding (C), The .Mild Weather, 663, 759 

 Hard wick (J. C), Religion and Science: From Galileo to 



Bergson, 338 

 Hardy (A. C), The Persistence of Vision, 587 

 Hardy (Prof. G. H.), awarded* a Royal Medal of the 

 Royal Society, 383 ; Royal Medallist, 453 ; Some 

 Famous Problems of the Theory of Numbers, and, 

 in particular, Waring's Problem, 239 

 Hardy (G. H.), Revision of the Chiromyzinl (Diptera), 

 715 ; The Male (Jcneialia of Some Robber-llies Be- 

 longing to the Sub-family .Asilinse (Diptera), 68 

 Hardy (W. B.), re-appointed a University Lecturer in 

 f'hysiology in Cambridge University, 298 ; Some 

 Problems of Lubrication, 569 

 Hargreaves (J.), The .Annular Eclipse of the Sun on .April 



8. 830 

 Harker (Dr. G.), The Temperature of the Vapour Arising 



from Boiling Saline Solutions, 683 

 llarkins (W. D.), The Structure of Atoms, 387 

 Harkins and Ewing, An Apparent High Pressure Due to 

 Adsorption, tfic Heat of .Adsorption, and the Density 

 of Gas-mask Charcoals, 135 

 llarlaiid' (Dr. S. C), Inheritance of Ten Factum in the 



Cow-pea, 672 

 Harlow (F. J.), appointed Principal of the Blackburn 



Municipal Technical College, 2<>.S 

 Harmcr (Sir Sidney F.), C. E. Fagan, 766 

 Harris (Prof. D. Fraser), A Case of Coloured Thinking 

 with Thought-forms and Linked Sensations, 725 ; The 

 International Congress of Physiologists, 97 

 Harris (Prof. F. S.), The Sugar beet in America, 689 

 Harris (H.), appointed Demonstrator and Instructor of 

 Assaying in Birmingham University, 298 



