Nature, 1 



October 7, 1920J 



Index 



XXAlX 



Groiiingen Astronomical Laboratory, Publications of the, 

 No. 29, Prof. J. C. Kapteyn, 838 



Ground-squirrtls of California, The, J. Grinnell and J. 

 Dixon, Si 



Gunnery, Meteorology in, The Importance of, Ur. E. -M. 

 Wedderburn, 492 



Guthrie Lecture of the Physical Society of London, Thf, 

 Dr. C. E. Guillaume, 438 



Gymnospermic History, 97 



Gypsum, The Fibrous, of Nottinghamshire, VV. A. Richard- 

 son, 569 



Gyrostat, a Non-spinning, Rotation of, and its Effect 

 ■ in the Aeroplane Compass, G. T. Bennett, 378 



Gyrostatic Compass, The, S. G. Brown, 44, 77 



Haemoclasic Crisis, The Possibility of Promoting the, by 

 the Intravenous Injection of Portal Blood Collected 

 During the Digestive Period, Y. Widal, P. Abrami, 

 and M. N. lancovesco, 699 



Hailstorm, The Survey, of July 16, 1918, J. E. Clark, 281 



Half-past Twelve : Dinner-hour Studies for the Odd Half- 

 hours, G. W. Gough, 6x1 



Halo, A Peculiar, Capt. C. J. P. Cave, 171 



Hardwoods of Australia, The, and Their Economics, R. 

 T. Baker, 802 



Hardy Fruit Culture : Practical, R. Staward, 545 ; The 

 Elements of, 545 



Harmonics in the Neighbourhood of an Assigned Func- 

 tion, T. Levi-Civita, 844 



Hastings Coast-line, The Evolution of the. Miss E. M. 

 Ward, 82 



Hawaian Islands, Rainfall in the, 181 ; People, The 

 Religion and Origin of the, Kamagau ; S. N. Haleole ; 

 Judge Fornander ; S. H. Ray, 628 



Hawaii, Derivation of the Flora of. Prof. D. H. Camp- 

 bell, 217 



Hawthorn Blossom, Early, Lady Jenny Rose, 234 



Hayden Memorial Medal of the Academy of Natural 

 Sciences of Philadelphia, The, Awarded to Prof. T. 

 C. Chamberlin, 399 



Hazel-nut, The Supposed Parthenocarpy of the, and its 

 Possible Characters, II., k. Trotter, 251 



Health and the Teacher, 259 



Heat: Economy, Prof. A. Witz, 212; The Theory of, 

 Prof. T. Preston, Third Edition, Edited by J. R. 

 Cotter, 228 



Hejaz. Discoveries in the, Dr. D. G. Hogarth, 528 



Helium : in the British Empire, Sources of, "Prof. J. C. 

 McLennan, 725 ; Its Discovery and Applications, Dr. 

 W. J. S. Lockyer, 360 ; Its Production and Uses, 

 Prof. J. C. McLennan, 747, 778 



Her edit as, No. I., 558 



Hereford Cattle, Colour and Markings of Pedigree, Miss 

 F. Pitt. 211 



Heron of Castle Creek, The, and Other Sketches of Bird 

 Life, A. W. Rees, 514 



Heterophyidae, A Synopsis of the Trematode Family, Dr. 



B. H. Ransom, 786 



Hettangian Iron Minerals of Burgundy, The, L. Cayeux, 



443 

 Hevea brasiliensis, Structure and Development of the 



Woody " Burrs " or " Nodules " in, G. Bryce, 20 

 Hidden Treasure : The Story of a Chore Boy who made 



the Old Farm Pay, J. T. Simpson, 36 

 yigh Levels in the .Atmosphere : The Attainment of, 



Prof. A. McAdie; Dr. J. G. CoflRn, 437; W. H. Dines, 



454 

 High-voltage Corona in Air, Prof. J. B. Whitehead, 842 

 Hill Observatory, Sidmouth, Report of the, 726 

 Hindu Drama : The Origin of the, .Additional Evidence, 



Sir W.* Ridgeway and Dr. L. D. Barnett, 433 

 Hinduism, The Enduring Power of. Sir Valentine Chirol. 



834 

 Hittite Civilisation, The, Prof. M. Jastrow, jun., 763 

 Holopus, a Dried Specimen of. Found in Barbados. Dr. 



C. T. Trechmann, 757 



Holothurioidea of the Coasts of Ireland, Species of. Miss 



.Anne L. Massy, 433 

 Honey-bees, Cause of Death of, Mrs. Pi.Kell-Goodrich, 53 



Hong-Kong, Meteorology at, 244 ; Royal Observatory, 

 Report for 1919 of, 788 



Hood. H.M.S., 182 



Hooker Telescope, The loo-in., Some Tests of. Dr. G. E. 

 Hale, 266 



Hot Filaments, The Thermionic Properties of, E.xperi- 

 ments on. Dr. F. L. Hdpwood, 473 



House of the Morning," "The, in Egyptian Ritual, Dr. 

 A. M. Blackman, 241 



Huddersfield Technical College, Gift to, by Mrs. M. 

 Blamires, 185 



Human Body, The Engines of the. Prof. \. Keith. 195 



Hurler and Driffield : A Meanorial Volume Containing an 

 Account of the Photographic Researches of Ferdinand 

 Hurter and Vero C. Driffield : Being a Reprint of 

 their* Published Papers, together with a History of 

 their Early Work and a Bibliography of Later Work 

 on the Same Subject, Edited by W. B. Ferguson, 609 ; 

 Memorial Lecture, The, Prof. A. Findlay, 689 ; F. 

 F. Renwick, 6S9 



Hydrazine, Action of, on the i : 4 Acyclic Diketones, E. 

 E. Blaise, 506 



Hydrazines, The Action of Substituted, upon AcvcHc i : 4 

 Diketones, E. E. Blaise, 666 



Hydrocyanic Acid, The Action of, on Glucose, J. Hougault 

 and J. Perrier, 539; on the Organism of Plants, J. 

 Stoklasa, 539 



Hydro-electric Power Works at the Great Lake, Tas- 

 mania, The, 690 



Hydrogen : Molecule, The Structure of the, Diamagnetism 

 and. Dr. A. E. Oxley, 581 ; Peroxide, The .Accelera- 

 tion of the Decomposition of, by Colloidal Rhodium, 

 C. Zenghelis and B. Papaconstantinos, 443 ; The 

 Diamagnetism of. Dr. J. R. Ashworth, 645 : The 

 Secondary Spectrum of. Prof. J. W. Nicholson, 

 166 



Hydrographical Studies, Prof. D'Arcy W. Thompson, 150; 

 Surveying, the late Rear-Admiral Sir W. J. L. 

 Wharton, Fourth Edition, Revised and Enlarged by 

 .Admiral Sir Mostyn Field, 576 



Hydrolvsing Action of Emulsin, Presence in the Melilot 

 and Woodruff of Glucosides Furnishing Coumarin 

 under the, Em. Bourquelot and H. H^rissey, 634 



Hygiene, Army, and its Lessons, Lieut. -General Sir 

 Thomas Goodwin, 532 ; for Training Colleges, A Text- 

 book of, Margaret Avery, 259 



Hymenoptera, The Parasitic Aculeate, Prof. W. M. 

 Wheeler, 835 



Hyperbolic Space. Relativity and. Prof. A, McAulay. 808 



Hyperion, The Theory of. Investigations in, Dr. J. Woltjer, 

 jun. ; Dr. .A. C. D. Crommelin, 675 



Hysteresis Values when Using High Magnetising Forces, 

 The Measurement of, W. L. Cheney, 838 



Ibdrica, A New Spanish Scientific Journal, 755 



Ice, Curious Formation of, A. S. E. Ackermann, 741 ; in 

 Arctic Seas, State of the, 275 



Ignition Points of Liquid Fuels, H. Moore, 245 



Illuminating Engineering Society, Report of the. Council 

 of the, 402 



Imitation of Cells, Tissues, Cell-Division, and the Struc- 

 ture of Protoplasm with Calcium Fluosilicate, A. L. 

 Herrera, 635 



Imperial : Air Routes, Major-General Sir Frederic H. Sykes, 

 359 ; College of Science and Technology, Provision of 

 Post-Graduate Scholarships at American Universities, 

 89, 173 ; Claim of the, to University Status, Lord 

 Morris, and others, 471 ; The Department of Aero- 

 nautics, The Work and Staff of the, 841 : Ento- 

 mological Conference. The Forthcoming, 398. 433, 

 ;o2 ; War Museum, The Formation of the. Sir Martin 

 Conway, 626; Wireless Telegraph Committee. Report 

 of the, 504 



India : A Chemical Service for. Prof. H. E. Armstrong, 

 660; Map-making in, 277: Scientific Work in. The 

 Organisation of. Sir Thomas H. Holland. 452, 565 ; 

 Sugar Cultivation in. Dr. W. E. Brenchley, 840; 

 Survev of, Report for 1915-16 of the Records of the, 

 277; The Census of 192 1, Consideration of the Prin- 



