XxX Index 
Archeology of the Middle Americas, 70 
Archzopteryx, London Specimen of, Pectoral and Pelvic 
Arches in the, Dr. B. Petronievics and Dr. A. Smith 
Woodward, 283 
Archives médicales belges, a Forthcoming Periodical, 273 
Archotermopsis, Structure and Biology of, Dr. A. D. Imms, 
322 
Argentina, Sociedad, de Ciencias Naturales, Sir E. 
Shackleton and W. H. Hudson elected Corresponding 
Members of the, 152 
Argentine Meteorology, W. G. Davis, 337 
Arithmetic: A Shilling, J. W. Robertson, 347; Revision 
Papers in, C. Pendlebury, 347; Rural, A. G. Ruston, 
88 
Armagh Observatory, J. A. Hardcastle appointed 
Astronomer to the, 295 
Army, The Health of the British, Sir A. Keogh, 495 
Arran Pitchstones, The, Dr. A. Scott, 138 
Arsenious Acid Glycerine Jelly, Objects Preserved in, F. A. 
Rowley, 134 
Art of the Cave, Dr. W. Wright, 51 
Arterial : Arches in a Rabbit, Abnormality in, E. J. Sheehy, 
344; Pressure, Low, Methods of Raising a, Prof. 
W. M. Bayliss, 241; Pressures, Low, and their Treat- 
» ment, W. T. Porter, 223 
Artificial Limbs, Forthcoming Exhibition of, 273 
Artillery and Rainfall, “Moriturus,” 229 
Arts and Crafts, Forthcoming Exhibition of, 27 
Ascaris Infection in Hong Kong, Experiments on, 479 
Ascaris lumbricoides, Life-history of, Capt. F. H. Stewart, 
479 
Ashanti, Stone Implements from, A. W. Cardinall, 435 
Association of Technical Institutions, Forthcoming Meeting 
of the, 123, 156 
Astronomical: Compass, Visible, Rev. Wm. Hall’s, 98; 
Society of the Pacific, Award of the Bruce Gold Medal 
to Prof. E. E. Barnard, 393; Station of the Island of 
Notre-Dame, Position and Co-ordinates of the, G. 
Bigourdan, 323 
ASTRONOMICAL NOTES. 
Comets : 
Encke’s Comet, Prof. Strémgren, 77; Encke’s Comet, 
Dr. Max Wolf, 156; Ephemeris of Coit 1916b (Wolf), 
R. T. Crawford, 257; A New Comet, Rev. J. Metcalf, 
277; Mellish Comet, 1915a, 358; Comet 1916b (Wolf), 
Dr. Berberich, 437 
Instruments : 
Proper Motions by the Blink-Microscope, R. T. A. Innes, 
56; Rev. Wm. Hall’s Visible Astronomical Compass, 98 
Meteors : 
Fireball of October 3, 116, 136; Two Large Fireballs, 
156; Fireball of October 20, W. F. Denning, 176; The 
Orionid Shower of 1916, 177; The Leonids of 1916, 
W. F. Denning, 236; The Meteoric Shower from 
Biela’s Comet, 257; Large Meteor on January 4, 
W. F. Denning, 379 
Observatories : 
The Van Vleck Observatory, 22; Hyderabad Observa- 
tory, 379; Almanac of the Madrid Obsorvatory, 438; 
United States Naval Observatory, 455; Report of the 
Cape Observatory for 1915, 499 
Planets : 5 
Observations of Minor Planets in France, 41; Photo- 
graphs of Mars, G. H. Hamilton, 77; Mercury Visible 
before Sunrise, 116; The Great Red Spot on Jupiter, 
F. Sargent, 257; The Search for a Transneptunian 
Planet, A. Borelly, 277; Total Eclipse of the Moon, 
336; Mercury an Evening Star, 336; Long-Period 
Variable Stars, Rev. T. E. R. Phillips, 336; Clouds on 
Mars, Prof. W. H. Pickering, 397; Eclipses of 
Jupiter’s Satellites, Prof. E. C. Pickering, 417 
Stars: 
Maxima of Mira Ceti, 1915, F. de Roy, 21; A Faint Star 
with Large Proper Motion, Prof. Barnard, 22; The 
System of Polaris, L. Courvisier, 22; Spectra and 
Absolute Magnitudes of Stars, G. S. Monk, 41; The 
Variable Nebula in Corona Australis, J. H. Reynolds 
and K, Shaw, 56; The Period of U Cephei, M. B. 
Shapley, 56; The Nebula Hn. 78 Leonis, Mrs. I. 
Sun: 
Measurement of Close Solar Lines, Dr. C. E. St. John — 
Miscellaneous : , 
A New Astronomical Journal (La Revue Verte), 116; A 
Astronomy, Egyptian, and the Zodiac, J. Offord, 7 
Asymptotic Series, The Theory of, Prof. G. N. Watson, 120 _ 
Athenzum Club, Sir R.. Hadfield, Sir Douglas Haig, and 
Atlas Céleste, Petit, G. Bigourdan, 208 
At Last! 285 
Atmosphere: Optical Deterioration of the, in July and 
Atmospheric Disturbances of October and November, 1916, 
Aulina rotiformis, etc., Dr. S. Smith, 242 
x Auriga, The Spectroscopic Binary, R. K. Young, 116 
Aurora: and Magnetic Disturbances of August 27, 1916, 
Aurora Borealis: Display of, on August 26-27, Dr. J. 
Australasia, Canada and, Geological Work in, 398 
Australasian Antarctic Expedition, Scientific Reports of the, 
[ Nature, A 
March 15, 1917 
Roberts, 77; Spectrum of the Nebula Hiv. 39 Argus, 
Dr. Max Wolf, 77; The Masses of Visual Binary Stars, 
R. T. A. Innes, 99; The Distribution of B Stars, Prof. 
Charlier, 116; The Spectroscopic Binary x Auriga, 
R. K. Young, 116; The Variable Star SZ Cygni, F. C. 
Leonard, 136; Internal Motion in Spiral Nebule, 
A. van Maanen, 156; The Radial Velocity of 8 Urse 
Majoris, 196; Wolf-Rayet Bands in the Nuclei of 
Nebulez, G. F. Paddock, 196; Barnard’s High Proper- 
Motion Star, Prof. Barnard and Mr. Adams, 196; The 
Eclipsing Binary RX Herculis, R. H. Baker and E. E. 
Cummings, 216; The Solar Apex Determined by Means 
of Binary Stars, L. Janssen, 236; Spectrum of the 
Nebula about Rho Ophiuchi, Dr. V. M. Slipher, 236; 
The Colours of Stars in Globular Clusters, Dr. Se 
ley, 257; The Variable Nebula N.G.C. 2261, E. P. 
Hubble, 298; Parallaxes of Two Stars with Common 
Motion, O. J. Lee, 317; Rotation and Radial Velocity 
of N.G.C. 4594, F. G. Pease, 358; The hy a 
Variables, Dr. Ludendorff, 397; Peculiar Stellar Spec- 
tra, Miss Cannon, 417; Investigations of Star Clusters, 
Dr. H. Shapley, 438; Cluster Variables, Prof. S. I. _ 
Bailey, 455; Parallaxes of Procyon and Altair, Dr. 
S. A. Mitchell, 479; Densities of Visual Binary Stars, 
I, Opik, 479; The Spectra of Cepheid Variables, Dr. 
Shapley, 498; Daylight Photography of Stars, A. F. 
and F. A. Lindemann, 499 
and Miss Ware, 40; The Psychology of Differential 
Measurements, H. H. Plaskett, 41; Effect of Haze on 
Solar Rotation Measures, R. E. De Lury, 99; Anoma- 
lous Dispersion in the Sun, J. Evershed and Dr. Royds; — 
Dr, St. John; Dr. A. S. King, 136; Ultra-Violet Radia-_ 
tion from the Sun, Prof. Birkeland, 177; Radial 
Motion in Sun-spots, J. Evershed, 196; Solar Promin- 
ences in 1916, 277: The Total Solar Eclipse of 1916, 
February 3, Prof. C. D. Perrine, 418; A Great Sun- 
spot, 478 b 
Catalogue of Meteorites, Dr. G, P. Merrill, 196; Spec- 
troscopic Resolving Power, C. M. Sparrow, 216; The 
Minimum Radiation Visually Perceptible, Dr. H. E. — 
Ives, 216; The Zodiacal Light, W. F. Denning, 277; 
The Longitude of Washington, 298; The Structure of 
the Red Lithium Line, Dr. A. S. King, 299; Rémer’s 
Discovery of the Velocity of Light, Mrs. K. Meyer, 
317; The Cookeville Meteorite, G. P. Merrill, 358; 
Extra-focal Photometry, R. H. Baker and E. E, Cum- 
mings, 379; Aurora Borealis, W. F. Denning; A. A. 
Rambaut, 397; The Lake Okechobee Meteorite, G. P. 
Merrill, 455 
Prof. Gilbert Murray elected Members of the, 474 
August, 1916, Sir N. Shaw and Dr. Maurer, 90; and 
Volcanic Eruptions, Prof. A. Riccd, 190; e De- 
terioration of the, in the Swiss Alps, Dr. Maurer, Sir 
N. Shaw, 328 
The, A. Nodon, 443 
J. E. Grubb, 57; Display on August 26, A. T. Hopwood, 
40; The, Magnetic Storm, and Sun-spot of January 4, 
Rev. A. L. Cortie, 446 
Satterly, 57; Results of Observations of, at Haldde 
Observatory, L.. Vegarde and O. Krogness, 223; W. F. 
Denning; Dr. A. A. Rambaut, 397 
233; Association, Abandonment of the Hobart Meeting 
of the, 132 
