Nature, , ■] 

 April 15, 1920 J 



Index 



IX 



Frick (H. C), Bequests by the late, 386 



Friend (Rev. H.), A New British Enchytraeid Worm, 174 ; 



British Well-worms, 5 ; Luminous Worms, 334 

 Frink (R. L.), appointed Director of Research by the Glass 



Research Association, 572 

 Froggatt (W. W.), A New Species of Wax Scale from 



New Guinea, 271 

 Frohawk (F. W.), Birds Beneficial to Agriculture, 72 

 Frood and Hall, The Deposits of Saltpetre near Prieska 



and Hay, Cape Province, 477 

 Fuller (C), The Wing Venation and Respiratory System 



of Certain South African Termites, 78 ; 639 



G. (W.), Euclid, Newton, and Einstein, 627 



Galippe (V.), Micro-organisms Living in Paper, 347 ; Re- 

 sistance of Living Intra-cellular Agents to the Action 

 of Certain Chemical Substances, 128 



Gamble (W.), Penrose's Annual, 690 



Gardiner (J. H.), The Rarer Elements, 310 



Gardiner (Prof. J. Stanley), "The White Water," 563 



Gardiner (L.), Proposals for a Plumage Bill, 564 



Gardner (A.), appointed Demonstrator in Anatomy in Man- 

 chester University, 19 



Gardner (J. A.), and'F. W. Fox, The Distillation of Chloro- 

 picrin, 419 



Garelli (Prof.), Experiments for the Extraction of Nitrate 

 of Ammonia from Surplus Stocks of Explosives, 447 



Garner (R. L.), [obituary], 573 



Garner (W. E.), An Electronic Theory of Isomerism, 661 



Garrad (Mr.), Work of the Tractor on the Farm, 98 



Garstang (Prof. J.), Provisionally appointed Director of the 

 Projected British School of Archaeology at Jerusalem, 

 308 



Garstang (Prof. W.), Sea-fishery Investigations and the 

 Balance of Life, 48 



Garuffa (Dr. E.), L'Aviazione. .Aeroplani, Idrovolanti, 

 Eliche. Seconda edizione, 656 



Gatenby (J. B.), Identification of Intra-cellular Structures, 

 97 ; The Germ-cells and Early Development of Grantia 

 compressa, 427 



Gates (Dr. Ruggles), Mutational v. Recapitulatory Char- 

 acters, 52 1 ; The Existence of Two Fundamentally 

 Different Types of Characters in Organisms, 713 



Gauthier (Mile. M.), The "Trypanosome " of the Trout, 650 



Gehrs (Prof. J. H.), Productive Agriculture, 495 



Geikie (Sir .Archibald), Retrospect and Prospect, 195 ; 

 Science and Sociality, 45 



Gemmill (Dr. J. F.), appointed Professor of Natural His- 

 tory at University College, Dundee, 67 ; Zoology and 

 Human Welfare, 21 



George (D. Lloyd), The Place of the University in the 

 General Field of Education, 167 



Getman (Dr. F. H.), Outlines of Theoretical Chemistry. 

 Second edition, 3 



Geyl (Dr. P.), Holland and International Rivers, 332 



Ghambashidze (D.), Mineral Resources of Georgia and 

 Caucasia : Manganese Industry of Georgia, 171 



Gheury (Sgt. M. E. J.), A Simple and Rapid Method of 

 Tide Prediction (including Diurnal Time and Height 

 Inequalities), 171 



Ghose (S. L.), The Myxophyceae, or Blue-green .Algae of 

 Lahore, 297 



Giacobini (M.), Observations of Finlay's Comet made at the 

 Paris Observatory, 387 



Gibson (K. S.). Photo-electric Spectrophotometry by the 

 Null Method, 478 



Giglioli (Prof. I.), Vertical-pipe Irrigation for Orchards and 

 Market-gardens in Arid Climates, 276 



Gilchrist (Prof. J. D. F.), The Marine Biological Report of 



the Cape of Good Hope, 615 

 Giles (Dr. P.), elected Vice-Chancellor of Cambridge Uni- 

 versity, 126 

 Gill (A.), Experiments with Horse-chestnuts, !;75 

 Gillespie (T. H.), The Breeding of th; King Penguin, 314 

 Giolitti (Dr. F.), presented with the Bessemer Medal of the 



Iron and Steel Institute, 77 

 Glazebrook (Sir Richard), appointed Professor of Aviation 

 in London University, tenable at the Imperial College 

 of Science and Technology, 425 ; Recent Progress in 



Aviation, 397 ; Retirement from the Directorship of the 



National Physical Laboratory, 8 ; 77 

 Godard (H.), Observation of Finlay's Periodic Cornel 



(19196), made at the Bordeau.x Observatory, 459 

 Godchot (M.), and F. Taboury, Some New Bicyclic Ketones, 



523 

 Godfrey (C), The Modern Teaching of Geometry in Schools, 



55° 

 Godfrey (Col.), The Orchids of Hants and Dorset, 520 

 Godman (F. Du Cane), Lord Walsingham, io 

 Gold (Lt.-Col. E.), Meteorology in Three Dimensions, 505 ; 



Relation of Meteorology to .Aviation, 641 

 Goldschmidt (Prof. V. M.), Om .Aluminiumfremstilling av 



Norske Raastoffer, 161 

 Golgi (Prof. C), Retirement from the Professorship of 



General Pathology and Histology in the University of 



Pavia, ig 

 Gomme (A.), appointed Librarian of the Patent Office, 585 

 Goodchild (W. H.), awarded the Consolidated Gold Fields 



of South Africa, Ltd., Gold Medal by the Institution of 



Mining and Metallurgy, 573 

 Goodrich (E. S.), constituted Professor of Comparative 



Embryology in the University of Oxford, 616; Phago- 

 cytosis and Protozoa, 456 

 Goris (.A.), and Ch. Vischniac, Characters and Composition 



of Primeverose, 367 

 Gould (H. P.), Peach-growing, 495 



Gowen (J. W.), A Biometrical Study of Crossing-over, 541 

 Goyen (P.), Elementary Mensuration, Constructive Plane 



Geometry, and Numerical Trigonometry, 390 

 Grabham (Dr. M. C), Bird Migration, 334; Iridomtrmyx 



humilis in Madeira, 456 

 Graff (K.), Barnard's Proper-motion Star, 420 

 Graham (Dr. J.), appointed Professor of Anatomy in the 



Anderson College of Medicine, Glasgow, 19 

 Gramont (A. de). The Direct Arc-spectra of Metals of Low 



Melting Point, 650 

 Grard (M.), Thermal Treatment of Aluminium .Alloys, 



187 

 Gray (Prof. A.), Presidential Address to the Mathematics 



and Physical Science Section of the British Association, 



39: 52 

 Gray (J.), Effects of Some Ions on Spermatozoa ; Effects of 

 Ions on Ciliary Movement (Gills of Mytilus edulis), 366 ; 

 The Relation of Spermatozoa to Certain Electrolytes 



("•), 427 



Gray (Dr. R. Whytlaw), elected President of the Etor» 

 College Scientific Society, 444 



Gray (W. D.), The Reported Dinosaurian Reptile in the 

 Congo Region, 701 



Greaves (R. H.), The "Temper Brittleness " of a Nickel 

 Chromium Steel, 480 



Green (H. H.). Estimation of Small Quantities of -Arsenic 

 by Micro-titration with Iodine, 477 



Greenish (Prof. H. G.), to Receive the Diploma of Docteur 

 honoris causa from the University of Paris, 397 



Greenwood (Dr. H. C), [obituary], 443 ; Industrial Gases, 

 622 



Greenwood (M.), The Incidence of Industrial .Accidents 

 upon Individuals, with Special Reference to Multiple 

 .Accidents, 158 



Gregory (Prof. J. W.), The African Rift Valley, 518; The 

 Flight from Cairo to the Cape. Scientific Aspects of 

 the Route, 633 ; The Times .African Flight : Dis- 

 covery of a New Volcanic Field, 667 



Gregory (Sir Richard), Educational Value of the Kinema, 

 522 ; The Divorce of Laboratory and Class-room 

 Courses, 514; The Promotion of Research, 259 



Greig-Smith (Dr. R.), The Germicidal Activity of the 

 Eucalyptus Oils. Part ii., 20 



Grierson (Sir George), The Linguistic Survey of India and 

 the Census of 191 i, 267 



Griffith-Bosrawon (Sir .A.), appointed Deputy Chairmart 

 of the President's .Administrative Council of the Board 

 of .Agriculture and Fisheries, 342 ; The State and Agri- 

 culture, 181 



Griffiths (Mrs. C. H.), Diffraction Patterns in the Presence 



of Spherical Aberrations, 682 

 Grignard (V.), G. Rivat, and Ed. Urbain, The Chlorination 

 of Methyl Formate and Methyl Chlorofcrmate, 491 



