Index 



r Nature! 



[.April : „ iqiq 



of Coal from which they are produced, Relations be- 

 F. \Y. Sperr, jun., 51 ; Educational institutions, Be- 

 quests to, by Mrs. Russell Sage, 317; Ethnology, Bureau 

 of, Report of the, it; Geographical Society, Index to 

 the Bulletin and Journal of the, ; ; ■ ; Journal of Physical 

 pology, No. i, 40; journal of Science, July, 50; 

 Mineralogist, Dr. E. T. Wherry appointed Editoi in- 

 Chief of the, 391; Ornithologists' Union, Dr. W. E. 

 1 'ollingi ilr, ted .1 1 lot responding Fellow of •' 



foi Prai ti< .1] Vsti in\ . Postponement of 



Activitj and Suspension of Publication ol the Monthly 

 Register, 49 ; Technical Journalists, Entertainment of, 

 351 



Ammeter, Voltmeter, and W; teter, A Sei ol Portable 



Testing, 06 



Amoeba protcus for Laboratories, Supplies of, Prof. J. G. 

 Kerr, [66 



Amphibians Collected by the American Museum Expedition 

 to Nicaragua, 1916, 1 1 



Amphicheiral Knots, Miss M. (',. Haseman, 230 



Amputation Stumps, X-ray Examination of, Capt. A. T. H. 

 Nisbet, 403 



Amundsen Arctii Expedition : Progress of the, 214; Arrival 

 of, in the Kara Sea, 120 



An.-iK -is and 1 Geometry, 2 



Analytii ["heon of Numbers, Applications of the Method 

 of Farej Disse< tion in the, G. 11. Hardy and J. E. 

 Littlev d, (19 



Analytical Chemistry, Applied, C. Simmonds, 262 



\n.ii imy : Applied, Prof. G. G. Davis. Fifth edition; 

 Prof. G. Elliot Smith, 423 ; Journal of. Change of Pub- 

 lishers of the, 49 



Anglo-Saxon Remains near Croydon, E. A. Martin, 290 



Annual Symmetrical Variation of Certain Elements, The, 

 Capt. E. II. Chapman, 330 



Anodonta, the Labial Palps of, Autonomous Responses of, 

 P. H. Cobb, 199 



Ant, White, The, in the Sudan, 71 



Antarctic: and Sub-Antarctic Regions, Climate and Meteor- 

 oli - ' F, R C. \P~ -in. in, |7"; Auroral Observations in 

 . i Ir. G. C. Simpson, 24 ; Dr. C. Chree, 25 ; Ice- 

 Cap, The, and its Borders, Sir D. Mawson, 315 



Antarctica, Bacteria of Ice and Snow in, Capt. A. L. 

 Mi I.i an, 35 



Anthrax-infected Wool, Disinfection of, Prof. S. Dele- 

 pine. 372 



Anthropology: and our Older Histories; Prof. H. J. Fleure 

 and Miss L. Winstanlev, 102; War and, Sir II. Read, 

 498 



Anticyclones and Depressions, Origin of, Lt. J. Logie, 320 



Antigahgrene Serotherapy, Results of, H. Vincent and G. 

 Stodel, 40 



Ants, Behaviour of Certain, in the Care of their Offspring, 

 W. \1. Wheeler, 308 



Aplite into Serpentine, Intrusion of, in Natal, Dr. A. L. du 

 Toit, 270 



Aquarii, The Orbit of 83, Dr. R. G. Aitken, 232 



Aqueous Reserves of the Soil in Periods of Drought, J. 

 Dumont. tq 



Aquila, The New Star in, Dr. W. E. Harper, 32 ; Dr. G. F. 

 Paddock, and others, 74 

 \.l". 1 Day," An, J. Hopkinson, 126 



Arboreal Descent of Man, The, Prof. V. Giuffrida-Ruggeri, 



85 

 Ircella dentata, Variation and Heredity during the Vege- 

 tative Reproduction of, R. W. Hegner. 3qq 

 Argentine Society of Natural Sciences, Forthcoming National 



Reunion of the, 101 

 Armistice, Launch of the. 412 



Armstrong College, Prospectus of Day Classes at the, 139 

 Army : Education in the, 4S1 ; Educational Training Scheme 



of the. Appointments in connection with the, 119 

 Aromatic from Fatty Compounds, A New Synthesis of, T. 



Komninos. 300 

 Arsenic and Antimony, Organic Compounds of, Prof. G. T. 



Morgan, 41 

 Art, Industrial, A Meeting for the Promotion of, no; A 



British Institute of, 178 

 d Pressure, Measurement of, in Clinical Practice, 



R. Paueot, 60 

 Ashmolean Museum, Addition of a Female Marble Figure 



to the, Prof. P. Gardner, 214 



Asiatii So, ire, ,,1 Bengal, Catalogue ol thi Scientil Serial 



Public is thi 1 'rim ipal Libraries of ( 'all utta, S. 



Kemp, and othi rs, 338 



Asfihodelus luteus, Anion ol .1 Marine Climate on 'the In- 

 florescence of, L. Daniel, 159 



Association: A Story of Man for Boys and Girls, E. B. 



< umberland, 3: of Public Set I Scienci Masters, 



Forthcoming Annual < :ral Meeting of the, 107; 



Forthcoming Annual Meeting of the, 317: The Annual 

 General Meeting of the, 37s 



Astigmatism: Interchangeabilit} of Stop and Object, T. 

 I li.iuuilv, 170 



ASTRONOMICAL NOTES. 



Comets : 



Wolf's Comet, Mr. Jonckheere; H. Thomson, 32; 

 M. Kamenskv, 74; Borrellv's Comet, L. v. Tolnay, 

 74; L. v. Tolnay; van Biesbroeck, 133; Wolf's 

 Comet, M. Kamensky, 13;; Borrellv's Comet, R. L. 

 Waterfield; 213: The Origin ol Comi s, Prof. Strom- 

 gren, 233; Wolf's and Borrellv's Comets, 252; Comet 

 iqi8d (Schorr), Dr. Schorr; J. Braae and J. Fischer- 

 Petersen, 314; Schorr's Comet, ;;a; Borrellv's Comet, 

 354; Schorr's Comet, Braae and Fischer-Petersen, 373; 

 Comet 1786 II , Miss M Palmer, 413; Schorr's Comet, 

 a;2 ; Borrelly's Comet, R. L. Waterfield, 432; Reid's 

 Cornel (1918a), H. E. Wood, 452; Borrelly's Comet, 

 Fayet, 512 ; Comet tgi8d (Schorr), H. M. jeffers, 512 



Instruments : 

 The Canadian 72-in. Reflecting Telescope, Dr. J. S. 

 Plaskett, 292 



Meteors : 



August and September Meteors, W. F. Denning, 52 ; 

 Large Meteors, Dr. F. J. Allen, and others, 132 ; 

 A Bright Meteor, A. Wegener, 104: Fireball on 

 December 6, 314; The January Mete,,;--, 334 



Observatories : 



Mount Wilson Observatory Report, 1017, 13 : A New 

 " Solar Constant " Observatory at Calama, Chile, 314 



Planets : 

 The Harvest Moon, 32 ; Jupiter, 174 ; Observations of 

 Minor Planets, Gonnessiat and Sy, 11)4 ; Saturn, W. F. 

 Denning. 233 ; Minor Planets, 23; ; The Planet Mer- 

 cury, 334; Opposition of Juno, 37,; 00.2 Rippodamia, 

 H. Dubosq-Lettre, 373 ; Observations of Eros, J, 

 Voute, 373; Eclipses and Transit- of Japetus, 304; 

 A Curious Feature on Jupiter, F. Sargent, 432 



Stars : 



Infra-red Stellar Spectra, Dr. P. W. Merrill, 13 ; The 

 \Y>\ Star in Aquila, Dr. T. E. Harper, 32 : Nova 

 Monocerotis, Dr. G. F. Paddock, 32 : Tin Spectro- 

 scopic Binary Boss 40, YV. S. Adams and G. Strom- 

 berg, 53; The New Star in Aquila, Dr. G. F. Paddock,, 

 and others, 74: Parallaxes of Helium Stars, Sir F. 

 Dyson and W. G. Thackeray, 07 ; The Mean Distances 

 of Stars of Different Spectral Types, S. Hiravama, 

 Q7 ; Observations of Long-period Variables, W. M. 

 Worssell, 133 ; Correction of Apparent Stellar Magni- 

 tudes, F. de Roy, 133 ; The Rate of Stellar Evolution, 

 Prof. A. S. Eddington, 174; The Dark line Spectrum 

 of Nova Aquila?, Dr. J. Lunt, 104 ; Orbits of Two 

 Spectroscopic Binaries, Dr. R. F. Sanford; Dr. F. 

 Henroteau, 215; A Remarkable Helium Star, J. Voute, 

 216; The Orbit of Sirius, Dr. R. Aitken. 216: The 

 Orbit of 83 Aquarii, Dr. R. G. Aitken, 232 ; The 

 Spectrum of Nova Aquila?, Dr. J. S. Plaskett, 252 ; 

 Distribution of Globular Clusters. Dr. H. Shapley, 

 271 ; A New Type of Nebular Spectrum, Dr. V. M. 

 Slipher, 271 ; Dwarf Stars, Dr. A. C. D. Crommelin, 

 292; Spectra of Binary Stars, Dr. R. G. Aitken, 314: 

 Opposition of Vesta, 334 ; Distribution of Luminosity 

 in Star Clusters, Prof. E. Hertzsprung, 334 ; Red, 1, 

 mination of the Orbit of 588 Achilles. Mme. J. M. V. 

 Hinsen, 354; Twelve New Spectroscopic Binaries, Dr. 

 J. S. Plaskett, 373 ; The Origin of New Stars. Dr. J. 

 Bosler, 304 ; Parallax of the Barnard Star, Dr. S. 

 Kostinsky, 413: The Pulsation Theory of Cepheid 

 Variability, Prof. Eddington, 472 ; Luminosities and 

 Distances of Cepheid \ T ariables, Dr. H. Shapley, 4Q4 ; 

 Radial Velocities of no Stars, Dr. J. Lunt, 404 



