XVlll 



Index 



Nature, 

 .February 2, 1922 



Armature Winding. Continuous-current, Elementary Prin- 

 ciples of, F. M. Denton, 465 

 lArt, Primitive, The rationale of, Prof. Baldwin Brown, 583 

 Artemia salina from the district of Margherita di Savoia, 

 in Apulia, Cytological Data on the Tetraploidism of, 

 C. Artom, 391 

 Arthropods, Secondary Sexual Characters in the. Deter- 

 mination of the, R. Courrier, 326 

 Arthur's Seat Volcano, new Edition of Memoir on the, 225 

 Ascension and St. Helena, The " Rollers " of, 254 

 Asia, A Systematic Anthropology of. First Outlines of. 



Prof. V. Giuffrida-Ruggeri, 578 

 Asteroid with an Orbit resembling that of a Comet, An, 



Gonnessiat and Renaux, 454 

 Astronomical : Instruments, Medieval, in India, G. R. 

 Kaye, 384 ; Time-keepers and Time-preserving 

 Systems, Studies on, K. Sotome, 175 



ASTRONOMICAL NOTES. 



Comets : 



Comets, Innes and Wood ; Dr. W. Baade, 291 ; The 

 Origin of Comets, Prof. G. Armellini, 447 



Instruments : 



Observations with the Cookson Floating Telescope, 

 480 



Meteors : 



Large Meteors, W. F. Denning, 28 ; The August 

 Meteoric Display, P. Meesters, 69 ; September 

 Meteors, W. F. Denning, 131 ; Large Fireball, 

 W. F. Denning, 226 ; The November Meteors, 

 W. F. Denning, 319 ; The Leonid Meteor Shower, 

 W. F. Denning, 417 ; The December Meteors, W. F. 

 Denning, 447; Fireballs, W. F. Denning, 511 ; The 

 January Meteors, W. F. Denning, 580 



Planets : 

 Minor Planets, N. Michkovitch, 69 ; Conjunction of 

 Venus and Mars, W. F. Denning, 164 ; The Motion 

 of the Perihelion of Mercury, E. Grossmann, 164 ; 

 The Lunar Eclipse of Oct. 16, 226, 256 ; Minor 

 Planets, E. Noteboom, 256 ; Finding of the Minor 

 Planet Alinda, 291 ; Observations of Mars at 

 Flagstaff, G. H. Hamilton, 447 ; Perturbations of 

 Saturn's Rings, Dr. G. R. Goldsbrough, 511 ; The 

 Markings on Jupiter, F. Sargent, 547 



Stars : 



Nebular Lines in Spectrum of R. Aquarii, P. Merril, 

 98 ; lonisation in Stellar Atmospheres, Dr. M. N. 

 Saha, 131 ; Variable Stars, Prof. V. Safafik, 131 ; 

 Observations of Star Colours, 164 ; An tares and its 

 Companion, F. G. Pease ; W. S. Adams and A. H. 

 Joy, 193 ; Studies of Nebulae and Clusters, C. 

 Flammarion, 193 ; Morning Stars, 226 ; The Spectrum 

 of <p Cassiopeiae, Major W. J. S. Lockyer and 

 D. L. Edwards, 256 ; "Observations of Variable 

 Stars, W. J. Luyten, 291 ; Delineations of the Milky 

 Way, Dr. F. Goos, 319 ; Proper Motions of Long- 

 period Variable Stars, Young, Farnsworth, and Jen- 

 kins, 351 ; Bright Assemblage of Morning Stars, 

 W. F. Denning, 384 ; Nova Aquilae, 384 ; Star 

 Catalogues, 417; The Effective Wave-length of the 

 Light of Galactic Stars, Prof. O. Bergstrand, 480 ; 

 The Dynamical Equilibrium of the Stellar System, 

 Prof. A. S. Eddington, 480 ; The Ultra-violet 

 Spectrum of a Cygni, W. H. Wright, 547 ; The 

 Furthest Cluster, Dr. H. Shapley and Miss B. W. 

 Mayberry, 580 

 Sun : 



The Total Solar Eclipse of September, 1922, Prof. 

 Campbell, 291 ; Rubidium in the Sun, Dr. M. N. 

 Saha, 291 

 Miscellaneous : 



Ancient Eclipses, Dr. J. K. Fotheringham, 28 ; Calendar 

 Dates in Meteorology, J. Mascart, 28 ; The Bright 

 Object near the Sun, 69 ; The Bright Object of August 

 7, 98 ; Etnstein's Real Achievement, Sir Oliver 

 Lodge, 98 ; The Bright Object near the Sun, Dr 



W. Bell Dawson, 193 ; Reform of the Calendar, 

 256 ; The Centenary of " Astronomische Nach- 

 richten," 256 ; Light of the Night Sky, Prof. C. 

 Fabry, 319 ; The French Wireless Time-signals, 

 351 ; The Last Glacial Epoch, C. E. P. Brooks, 351 ; 

 Medieval Astronomical Instruments in India, G. R. 

 Kaye, 384 ; A New Suggestion to explain Geological 

 Climatic Charges, Dr. H. Shapley, 417 ; Observers' 

 Handbook 1922, 511 



" Astronomische Nachrichten," Centenary of the, 256 

 Atlas Metcorologique de Paris, J. Lcvine, 6 

 Atmosphere, Thermal Gradient and Vertical Acceleration 



in the, L. De Marchi, 390 

 Atmospheric Pressure, The Diurnal Variation of, at 



Castle O'er and Eskdalemuir Observatory, Dr. A. 



Crichton Mitchell, 135 

 Atomic Structure : Prof. N. Bohr, 208 ; Analysis of the, 



A. Dauvillier, 516 ; Problem, Present Status of the. 

 Prof. D. L. Webster and L. Page, 546 



Atomic Theory of 1921, The, Dr. J. Moir, 551 ; The 

 Energetic Bases of the. Prof. G. Urbain, 290 



Atomic Volumes and their Optical Refractivities, A 

 Relation between the, G. Le Bas, 272 



Aufschotterung und Erosion, Die Ursachen der diluvialen, 

 W. Soergel, 464 



Aurora Borealis : of September 28-29, The, Major W. J. S. 

 Lockyer, 180, 370 ; Terrestrial Magnetic Disturbances, 

 and Sun-spots, Rev. A. L. Cortie, 272 



Aurora : Line in the Spectrum of the Night Sky, Occur- 

 rence of the. Lord Rayleigh, 208 ; Polaris, The Posi- 

 tion in Space of the, from Observations made at the 

 Haldde Observatory, 1913-14, L. Vegard and 

 O. Krogness, 431 



Australia : Diptera Brachycera of, A Preliminary Revision 

 of some Genera belonging to the, G. H. Hardy, 231 ; 

 Rain Map of, 1920, H. A. Hunt, 27 ; The Birds of. 

 A Manual of, G. M. Mathews and T. Iredale. Vol. i : 

 Orders Casuarii to Columbae. 290 ; The Ocean 

 Currents around. G. H. Halligan, 357 



Australian : Botanists, Records of, J. H. Maiden, 357 ; 

 Coleoptera : New Species of , part xvii., A. M. Lea, 518 ; 

 Notes and New Species, H. J. Carter, 231 ; Diptera 

 Brachycera, Studies in the Life-histories of, part i. : 

 Stratiomyiidac. No. 3, Vera Irwin-Smith, 591 ; 

 Ethnology, Sir Baldwin Spencer, 191 ; National 

 Research Council, The, 227 ; Termites, New and 

 Rare, with notes on their Biology, G. F. Hill, 591 



Austria : Geography in. Prof. G. A. J. Cole, 100 ; -Hungary 

 The Successors of. Some of their Problems, Dr. R. W. 

 Seton Watson, 443 



Auto-stroboscope, An, and an Incandescent Colour Top, 

 F. L. Hopwood, 589 



Aviation : The General Problem of, G. and M. Richard, 

 389 ; Theoretico-Practical Text-book for Students, 



B. M. Carmina, 36 



Awards : to Discoverers, W. B. Priest, 498 ; to Inventors, 

 Royal Commission on, A. Chaston Chapman appointed 

 a Member of the, 223 



Babylonian Glass Vase, A Chemical Examination of a. 



Dr. F. Rathgen, 580 

 Bacillaria paradoxa, Gmel., in the Staffordshire and 



Worcestershire Canal, etc., J. W. Williams, 163 

 " Bacteriophage," Our Knowledge of the, d'Herelle, 252 

 Balloons, Streamline Kite, The Design and Stability of, 



with Useful Tables, Aeronautical and ^Mechanical 



Formulse, Capt. P. H. Sumner, in 

 Banana, The : Its Cultivation, Distribution, and Com- 

 mercial Uses, W. Fawcett. Second edition, 270 

 Battersea Polytechnic : Courses at the, 102 ; Report for 



1920-21, 324 

 Bed-bug, The, the Host of the Parasite of Kala-azar, 



Major Patton, 443 

 Beerenberg, Island of Jan Mayen, Ascent of, 128 



