April 14 



'.V.J 



Index 



XXV 



Ancestral Influence in Man, Calculating, M. H. Laughlin, 

 587 



Anderson College of Medicine, Glasgow, Dr. N. Morris 

 appointed Professor of Physiolc^y at the, 298 



Anemometer, Portable Direct-reading, for the Measure- 

 ment of Ventilation in Coal Mines, Prof. J. T. 

 MacGregor-Morris, 423 



Anglesey : and North Carnarvonshire, Survey of, Miss 

 Wortham, 551 ; The Floor of, Prof. G. A. J. Cole, 

 282 ; The Geology of, E. Greenly, 2 vols. ; Colour- 

 printed .Map, 282 



Anglo-American University Library for Central Europe, 

 B. M. Headicar, 694 



Angophora, .\ New, J. H. Maiden, 586 



.Angular Diameters of Stars, Measurements of the, Prof. 

 A. Michelson ; Prof. G. E. Hale, 676 



.Anilin-violet in Copying Pencils Acting as a Spreading 

 Caustic, 671 



Animal : and Vegetable Oils, Fats, and Waxes, Dr. Geoffrey 

 -Martin, 43; InRenuity of To-day, C. A. Ealand, 660; 

 Intelligence, A Case of Remarkable, Dr. W. Mackenzie, 

 188 ; Studies in, 297 



.Animals, Experiments on. The \\ilue of. Sir I^onard 

 Rogers, 289 



Animate Nature, The System of; The Gilford Lectures de- 

 livered in the University of St. .Andrews in the Years 

 1915 and 1916, Prof. J. A. Thomson. 2 vols., 494 



Anopheles: claviger, Nutriiion of, M. (.enna, 522; Larvae, 

 Campaign against, by .Aquatic Insects, ii., iii., 

 E. Federici, 619 ; plumbeus, Inquiry into the Distribu- 

 tion of, 544 



.Antarctic Research, 398 



.Anthropological Research at Motya, Recent, J. S. S. 

 Whitaker, 517 



d'Anthropologie. Ecole, Winter Courses of the, 319 



.Anthropology : A scheme for the Classification of the Sub- 

 ject-matter of, E. N. Fallaize, 738; and Empire, 717; 

 and History : Being the Twenty-second Robert Boyle 

 Lecture, Dr. W. McDougall, 307 ; at the British Asso- 

 ciation, 516; Method and Aims of, 233 



.Anti-Tortrix Fluids, Field Experiments with. N. K. Jar- 

 dine, 773 



.Ants, Destruction of, by Chloropicrin, J. Feytaud, 135 



.Aphid;c, the Classification of, A. C. Baker, 290 



Aphides, a Cynipid Hyperparasife of. Miss M. D. Havi- 

 land, 530 



.\phthous : Fever. The Prevention and Treatment of, by the 

 Serum or Blood of Cured Animals, C. Lebailly. 231 ; 

 Milk, The Conservation or Disappearance of the 

 Virulence of, in the Course of the Manipulations follow- 

 ing Treatment, C. Lebailly, 521 



Apple-tree Borer, the Round-headed, and its Control, 354 



Arcella, Relations of Nucleus, Cytoplasm and External 

 Heritable Characters in the Gcnus, Prof. R. W. 

 Hegner, 486 



Archirologiral Investigations in Rome, Recent, G. Bag- 

 nant, 517 



Archseology, War-time, 834 



Archimwlcs : Sir Thomas Heath, 401 ; Certain Theorems 

 of, Rese.-irrhes of a Neapolitan Eighteenth-century 

 Mathematirian on, F. Amodeo. 42(1 

 Arctic : Flora of the Cam Valley at Barnwell, Cambridge, 

 The, Miss M. E. J. Chandler, 393 ; Regions, Forth- 

 coming Expedition by Sir Ernest Shackleion to. 815 ; 

 The Dejrree of Inaccessibility of Various Parts of the, 

 V. Stefansson, 3SS 

 Argentine Ant, The, as a Household Pest. 771 



.Arpon, Luminous Intensity Diffu' ' 'of 



the, J. Cabaunes, 426 

 \ri>it<.ile, Dr. A. E. T.nylor, Revised edition, fi 

 Arithmetic, Part ii., F. W. Dobbs and H. K. Marsdcn, 



722 

 \si.itic Expedition, a Projected Third, 703 

 \-p.irtir Acid. The Dipeptld of, and the Function of 

 \M'>ragin in Plants, C. Ravenna and O. Bosinelli. 3.S 

 \s^(Ki.iiion of Science Teachers, Book List, 1920, of the. 



7H 

 \>-troflraphic Catalogue, The Perth ^ertion of the, 01 

 \^troIabe, Prism, A New Tyi ' ' ude and Driencourt, 

 416 



ASTKONO.M ICAL NOTES. 

 Comets : 

 Tempel's Comet, .M. Ebell, 91; Dr. Kudara, 160; The 

 Capture of Comets by Planets, Prof. H. N. Russell, 

 292 ; Comets, Dr. Kudara ; F. E. Seagrave, 322 ; A 

 New Comet, Skjellerup ; Van Bicsbroeck, S4b ; Skjel- 

 lerup's Comet, Prof. Barnard, ^178 ; Comets, 610; 

 Skjellerup's Comet, 642 ; Approaching Return of Pons- 

 Winnecke's Comet, 674; Pons-Winnecke's Comet, 705 

 Instruments : 

 Observations with the Photo-Electric Cell, Prof. J, 

 Stebbins, 30 ; History of the Chronometer, Lt.-Comdr. 

 R. T. Gould, 642 

 Meteors : 



Brilliant Meteor of October 19, 29a ; The Leonid 

 Meteoric Shower, 45 1 ; The December Meteors, 483 ; 

 The January Meteors^ 578 

 Observatories : 



The Bergedorf Observatory, Hamburg, 124; The Uccle 

 Observatory, Annates, tome xiv., fasc. iii., 546; Kodai- 

 kanal Observatory, Bulletin Ixiii., 610 ; The Madrid 

 Observatory Ajiuario -for 1921, 842 

 Planets : 



Ephemeris of Pallas, 160; Prof. Pickering's Lunar 

 Observations, 191 ; Variation in the Light of Jupiter, 

 P. (juthnick, 322 ; Jupiter's Satellites, R. T. A. Innes, 

 387 ; Minor Planets, 482 ; Discovery of a New Planet, 

 Dr. W. Baade ; Dr. G. Stracke, 482 ; Disappearance 

 of Saturn's Rings, Hepburn and others, 610; The 

 Planetesimal Hypothesis, Prof. R. A. Daly, 644 ; 

 Planets now Visible, 740 ; Minor Planets, 740 

 Stars : 



The New Star in Cygnus, W. K. Denning, 59 ; Nova 

 Cygni, N. Tamm, 91 ; .Another Quickly Moving Dwarf 

 Star, R. T. A. Innes, 124 ; Prof. Barnard's Observa- 

 tions of Nova Persei, 124; The Colour of Nebulous 

 Stars, F. H. Seares and E. P. Hubble, 223 ; The Nova 

 in Cygnus, W. F. Denning, 254 ; Connection of Plane- 

 tary Nebulae with Helium Stars, H. Ludendorll, 254; 

 Mount Wilson Observations of Capella, A. A. Michel- 

 son ; J. -A. Anderson, 322 ; The Distribution of the 

 Stars in Space, Prof. Kapteyn and P. J. Van Rhijn, 

 356 ; The Multiple System { Urs;e .Majoris, Dr. G. 

 .Abetti, 356; The Densities of Binary Stars, Dr. G. 

 Abctti, 418; Perturbations in a Stellar Orbit, J. S. 

 Paraskcvopoulos, 451 ; Photographic Parallax Deter- 

 minations at Allegheny, Prof. F. Schlesinger and 

 others. 482 ; The .Masses of the Stars, H. v. Zeipel, 

 578; Stellar Parallaxes, ti. van Biesbroeck and H. S. 

 "Pettit, 674 ; Cat-ilogue of Nov:c, 674 ; The Diameters 

 of Stars, Prof. H. N. Russell: O. J. Lee and G. van 

 Biesbroerk, 740: Interesting Binary Stars, J. S. Plas- 

 kett; Miss A. C. Maury; F. Pavel, 772; Secular 

 Change in the Period of J Ccphei, H. LudendorlT. 816; 

 A Study of the Stars of Type N, C. D. Shand, 842 

 Sun : 

 The Sun's Magnetic li'M. Hi I. II ^ n . 1,1 The 

 Total Solar Eclipse of Nepiemb<T, 1922, 202 : An 

 .Apparent Earth-effect on th<> Distribution of Solar 

 FacuUc, E. W. Maun<l<r. 418: The Solar Spectrum 

 from 6500 A. to 9000 A., W. F. Meggers, 515; lonisa- 

 tion in tjie Sun, Dr. Megh Nad Saha, S16 

 .Miscellaneous : 



Liverpool University Tidal Institute, Mr^t .Annual 

 Report, 30; Longitude by Aeroplane, P. Ditisheim, 30; 

 Distribution of Intensity in Solar and Stellar Spectra, 

 B. Lindblad, 59 ; The Perth Section of the Astrographic 

 Catalogue, ol ; Eclip«ie Observations at Monte Video, 

 160; The Italian .Astronomical Society, 223; Chnrlier's 

 Critical Surface in Orbit Determination, A. Wilkens, 

 356; The Eclipse of 1022 in Australia, 387; The Origin 

 "of Spectra. Dr. H. H. Plaskett. 387; longitude by 

 Wireless, Dodwcll. 418; Radiation Rressure on Elec- 

 trons and Atoms, L. Page, 451 ; Tidal Friction and the 

 Lunar Acceleration. G. I. Tavlor ; Dr. H. Jeffreys, 

 51.S; Tables du Mouvement keplfrien. Dr. M. F. 

 Boquet, (54^: The Magellanic Clouds. Dr. E. Hertz- 

 sprung'. 7"^ : Investigation of the Einstein Spectral 

 Shift, I I AM shed, 705; The Green Ray or Flash, 



