Natur 

 April 24, 



19'3J 



Index 



Watch, Reeves's Night Marching, 711 



Water : Measurement of Flowing Water by Chemical 

 Analysis, Th. Schloesing, sen., 273 ; Constitution of 

 Water, A. Piccard, 507 ; Examination of London Water 

 Supplies, Dr. Houston, 366 



Water-surface Halo Rev. O. Fisher, Prof. A. M. Worthing- 

 ton, C.B., F.R.S., 647 



Waves at Sea, Heights of, 524 



Weaiden Floras, Prof. Seward, 350 



Weather : 'Weather and the Ultra-violet Radiations of the 

 Sun, L. G. Schultz, 68; Weather of 1912, C. Harding, 

 71. 555: Weather in S. Africa, June 8-13, 1902, A. G. 

 Howard, 127 ; Weather of India and her Seas, W. E. 

 Hurd, 171 ; the Cold August and September, Dr. Mill, 

 259 ; British Weather, 285, 417, 625 ; North Atlantic 

 .Area, November 4-14, 392 ; Proposed International 

 Weather Bureau, H. H. Clayton, 708 



Weather Forecasting : Pressure Variations in the United 

 States, "br. Arctowski, 367; Utility of Salinity Observa- 

 tions for Long-date Forecasting, Prof. H. Bassett, 4S0 



Welding, Autogenous, Prof. Carnevali, A. E. Tucker, 199 



Whale. Right, of N. Atlantic, Sir Wm. Turner, 454 



Wheat Supply of Great Britain, 678 



Whelk, Dr. W. J. Dakin, 358 



W'ho's Who, 1913, 485 ; Who's Who in Science : Inter- 

 national, 1913, 619 



Willing's Press Guide, 551 



\\'imhiedon Common ; its Geology, Antiquities and Natural 

 History, W'. Johnson, 461 



Wind : High Tropical Winds, Dr. van Bemmelen, 250 ; 

 Cyclones of the S. Indian Ocean, 259 ; Method of 

 Measuring Velocities with a small Wheatstone Bridge, 

 Prof. J. T. Morris, 49S ; the Upper Trade and Anti- 

 trade Winds, Dr. W. Krebs, 648 ; Periodical Varia- 

 tions at O.xford, W. H. Robinson, 716 



"Winged Destiny, Their," D. W. Horner, 160 



Wireless : Wireless Teleejraphv and Terrestrial Magnetism, 

 Dr. C. Chree. F.R.S., "37; Portable Apparatus for 

 .Aeroplanes, M. Rouzet, 89 ; Horizontal Wires for 

 Receiving Hertzian Waves, P. J^gou, 273 ; Theory and 

 Problems of Wireless Telegraphy : British Association 

 .Address, Prof. J. A. Fleming. F.R.S., 291 ; Presidential 

 .Address to the Institution of Electrical Engineers, W. 

 Duddell, F.R.S., 341; ; Reception of Wireless Signals 

 by .Antenns on the Ground, E. Roth^, 428 ; Noiseless 

 Spark-gaps in Running Liquids, Dr. Eccles and A. J. 

 Makower, 498: Postmaster-General's Committee, 598: 

 Calculation of Efficiency of Transmission between 

 Aerials, Dr. Eccles, 600 ; a Handbook of Wireless 

 Telegraphy, Dr. J. Erskine-Murray, 645 ; see also 

 British Association 



Wires, Torsion Oscillation of, J. B. Ritchie, 428 



Woman, the Nature of, J. L. Tayler, 695 



Wood : Identification of the Economic Woods of the United 

 States, Prof. S. J. Record, 511 



Woodwork Exercises treated Mathematically, F. E. Drury, 

 304 



Work, Laws cf : Experiments on Filing. J. .Amar, 377 



W'riters' and Artists' Year Book, 1913, 48,'; 



X-Rays : and Crystals, Prof. W. H. Bragg F.R.S., 219. 360, 

 572 ; Dr. A.'E. H. Tutton, F.R.S., 306; W. L. Bragg, 

 402 ; Specular Reflection of X-Rays W. L. Bragg, 

 410; X-Rays, Prof. W. H. Bragg,' F.R.S., 530, 557; 

 Opacity to X-Rays of Tissues dyed with Lead Salts, 

 L. G. Droit, 272 : X-Rays and Primary 7 Rays : 

 Similarity, J. A. Gray, 400; Spectra of Fluorescent 

 Rfintgen Radiations, J. C. Chapman, 400 ; Rays from 

 Kathode Particles, R. Whiddington, 402 ; Reflection 

 of Rontgen Radiation. Prof. C. G. Barkla. F.R.S. 

 and G. H. Martyn, 434; Reflection of X-Rays, H. 

 Moselev, C. G. Darwin, 594; an X-Rav Fringe System, 

 Prof. C. G. Barkla, F.R.S. and G. H. Martyn,' 647 



Year-books: Ilazell's Annual, 443; Who's Who, 485; 



Englishwoman's Year Book, 485; Writers' and Artists' 



A'ear Book, 485; Willing's Press Guide, 551; Who's 



Who in Science; International, 1913, 619; Heaton, 699 



Yellow Fever and the Panama Canal, F. M. Howlett, 528 



Yorkshire Coast, the Lost Towns of, T. Sheppard, 643 



Zebra ; le Zebre, Dr. A. Griffini, 35S ; Colouring of Zebras, 

 R. Pocock, 418 



Zeeman Ph.enomenon in the Ilvdrogen Spectrum, F. Croze, 

 561 ' ' . 



Zodiacal Light, E. G. Fenton, 220 



Zoological Gardens: Los .Angeles, 312; London: Dona- 

 tions from J. N. Mappin and Sir J. K. Caird, Bart., 

 577 ; Zoological Garden for Edinburgh, 598, 683 



Zoological Nomenclature, Prof. T. D. A. Cockerell, 648 



Zoology : 



General : Zeitschrift fiir wissenschaftliche Zoologie : Cen- 

 tenary, 170 ; a Guide for the Study of Animals, W. 

 Whitney, F. C. Lucas, H. B. Shinn, and M. E. 

 Smalhvood, 24s ; College Zoology, Prof. R. W. Hcgner, 

 245 : Compendio Elemental de Zoologia {.Argentine), 

 Prof. Angel Gallardo, 304 ; das Tierreich, 358 ; .Abor 

 Expedition, 440; Preservation of Fauna, Dr. P. 

 Chalmers Mitchell, F.R.S., 468; Index Zoologicus No. 

 II.. C. O. W'aterhouse, D. Sharp. F.R.S., 569; 

 Natural History Collections of the British Museum, 

 Dr. A. GOnther. F.R.S., G. S. Miller, W. R. Ogilvie- 

 Grant, Dr. J. H. Ashworth, 595; Jordon's Law, E. L. 

 Michael, ."Sgg 

 Invertebrate : Indian Fresh-water Fauna. Dr. N. Annan- 

 dale, .^8; Self-fertilisation in Fresh-water Snail, H. S. 

 Colton. 58 ; Pedigreed Culture of Ciliate Infusorian 

 Paramoeciiim aiirelia, L. L. Woodruff, 171 ; Working 

 Model of Gastropod Mollusca at Natural History 

 Aluseum, 228 ; Phreatoicopsis terricola female, Miss 

 J. W. Raff, 229; Blind Prawn of Galilee, Dr. N. 

 .Annandale, 2';i ; Arctic Voyage of the Belgica, 313 ; 

 Ostracoda Was Tierreich), G. W. MUller, 3/58 ; Effects 

 of Hypertonic Solutions upon the Eggs of Echinus, 

 J. Gray, 376; Spiders from Falkland Islands, H. R. 

 Hogg, 376 ; New Primitive Shrimp, E. L. Bouvier, 

 376 ; .Amphipoda of the Scottish .Antarctic Expedition, 

 Prof. C. Chilton, 392 ; Distribution of Snccammina 

 sphai'rica and Fsammosphaera ftisca in the North Sea, 

 E. Heron-.Allen and .A. Earland, 401 ; British Henleas, 

 Rev. H. Friend, 401 ; Clare Island Survey, 403 ; South 

 African Oligoch.-eta, Dr. E. S. Goddard and D. E. 

 Malan, 403 ; Spolia Runiana, Prof. W. .A. Herdman, 

 a^3 ; Land Crayfishes in Australia, G. W. Smith and 

 Dr. E. H. T- -Schuster, 41^3 ; .Australian Anisoptera, 

 R. J. Tillyard, dv=; ; Spiders^R. A. Ellis, 488: Nervous 

 .System of Sepia officinalis, R. Hillig. 549 ; Errant 

 Polychreta of Japan, A. Izuka, :;j9 ; Japanese actino- 

 oodous Holothurioidea, Prof. K. Mitsukuri, 549 ; 

 Recent Work on Invertebrates, 660 

 On the horder-line : Cephalodiscus from .Antarctic in 



Natural History Museum, Dr. Ridevvood, 391 

 Vertebrate : Collection of Heads and Horns of .Asiatic 

 Animals left by A. O. Hume. C.B., 57; S. African 

 Lacertilia, Ophidia, and Batrachia, of Kimberlev 

 District, J. Hewitt and J. H. Power, 127; Small 

 Mammals from Central China, O. Thomas, G. F. 

 Owen, 2:;8; Aoe's Vocal Manifestations, L. Boutan, 

 32s; le Zebre, Dr. .A. Griffini, -{:;S: Ouagga and Zebr.-i 

 Group, -^oi ; Weddell Seal, Prof. Hepburn. Dr. Haig, 

 4.i;4 ; U.S. Expedition to the .Altai Mountains in Siberia 

 and Mongolia, 470; Hair-like .Appendages in certain 

 Male Frogs, Dr. B. Dean, 492 ; Vertebrate Fauna of 

 the Malay Peninsula : Reptilia and Batrachia, Geo. A. 

 Boulenger. 61Q ; the Vertebrate Skeleton, Prof. Sidney 

 II. Reynolds, 699 

 Sec also Birds, British .Association, Fish, Inserts, Palae- 

 ontology, Parasites 



