xli 



Index 



t Nature^ 

 June 14, 1906 



Rohr (Dr. Moritz von), die optischen Instrumente, 461 

 Rolston (W. E.), Granulations on the Solar Surface, Prof. 



A. Hansky, 401 ; Our Stellar Universe, Thomas Edward 



Heath. 581 

 Ronaldson (J. H.), the Copper Deposits of Little Namaqua- 



land, 66 

 Roncagliolo (Dr. Cesare), Rubidium and Caesium Alums, 



473 

 Rontgen Radiation, Polarisation in Secondary, Dr. C. G. 



Barkla, 501 

 Rontgen Radiation, Secondary, Dr. C. G. Barkla, 502 

 Rontgen Rays, Secondary, and Atomic Weight, Dr. Charles 



G. Barkla, 365 ; see also Radiography 

 Rontgen Society, the Present Position of Radio-activity, 



Frederick Soddy at, 2S5 

 Roots, Regeneration in, Prof. B. Nemec, 170 

 Roscoe (Sir Henry E., F.R.S.), the Perkin Jubilee and 



Chemical Industries, 438 

 Rose (R. E.), Constitution of Salicin, (124 

 Ross (Mr.). Discovery of a New Comet (19061A, 4114 

 Rosset (M.I, Action of Peroxide of Nitrogen on Ammonia, 



504 



Rotch (Dr. A. I..), the Exploration of the Atmosphere over 

 the Tropical Oceans, 54 ; Observations with Registration 

 Balloons in America, 349 ; the Vertical Distribution of 

 the Meteorological Elements above the Atlantic, 440 



Rotzell (Dr. W. E.), Man, an Introduction to Anthro- 

 pology, 293 



Roux (Eug.), Influence of the Reaction of the Medium on 

 the Activity of Amylase and on the Composition of 

 Saccharified Starch, 335 



Rowing and Track Athletics, Samuel Crowther and Arthur 

 Ruhi, 605 



Rowland-Brown (H.), Argynnis niobe from the Pyrenees, 

 Cevennes, and South Tyrolese Mountains, 526 



Royal Astronomical Society, 95, 100, 334, 598; Medal 

 Awards, 370 



Roval .College of Science, the. ",44, 442 ; Bursaries at the, 

 Prof. John Perry, F.R.S., 32 



Royal Dublin Society, 215, 358, 383, 599 



Royal Institution : Life-history of the Emperor Penguin, 

 Edward A. Wilson, 211; the Electric Production of 

 Nitrates from the Atmosphere, Prof. Sylvanus P. Thomp- 

 son, F.R.S.. 355 ; some Applications of the Theory of 

 Electric Discharge through Gases to Spectroscopy, Prof. 

 J. J. Thomson, F.R.S., at, 495 



Royal Irish Academy, 215 



Royal Medical and Chirurgical Society of London, Cen- 

 tenarv, 1805-1905, Dr. Norman Moore and Stephen 

 Paget, Prof." R. f . Hewlett, 388 



Royal Meteorological Society, 95, 262, 357, 455, 527 



Royal Microscopical Society, 2;,. 11S, 2S7, 357, 503, 575 



Royal Society, 70, 93, 116, 141, 166, lSS, 213, 238, 311, 

 334. 3 s ". 407, 453, 501, 525, 551, 574, 507, 622; Medal 

 Awards, 33 ; Anniversary Meeting of the Royal Society, 

 Medal Awards. 120 ; Antarctic Earthquakes, Observations 

 made with Horizontal Pendulum in the Antarctic 

 Regions, Prof. J. Milne, F.R.S., 210; a Gas Calorimeter, 

 C. V. Boys, F.R.S., 354; (1) the Periodogram and its 

 Optical Applications, (2) the Periodicitv of Sun-spots, 

 Prof. Arthur Schuster, F.R.S., 378 



Royal Society, Edinburgh, iiq, 215, 230, 35S, 383, 575 



Royal Society of Naples, Memoirs of the, 327 



Royal Society, New South Wales, 240, 456 



Royal Society of Sciences, Gottingen, 360 



Rozet (CI.). Italian Observations of the Recent Solar 

 Eclipse [8 



Rudge (W. A. Douglas), Action of Radium Salts on Gela- 

 tin, 78; Action of Radium and other Salts on Gelatin, 

 1,Q . 455 



Rudmose-Brown (R. N.), the Falkland Island Fox, 365 



Rudorf (Dr. G.), Physics of Ore Flotation, 214 



Rudzki (Prof. M. P.), Aurora of November 15, 246 



Ruff (O.), Pure Lithium, its Preparation by the Electro- 

 lysis of Lithium Bromide, 404 



Ruffer (Dr. M. Armand), Evolution of the Present Know- 

 ledge of Immunity Artificially Acquired, 139 



Ruhemann (S.), the Tetrazoline Group, 119; Action of Acid 

 Chlorides of Acetvlcnic Acids on Ketonic Compounds, 

 5=7 



Ruhl (Arthur), Rowing and Track Athletics, 605 



Rural Schools, Chemistry in, Prof. R. Meldola, F.R.S., 

 558 ; T. S. Dymond, 583 



Russell (A.), Dielectric Strength of Air, 142 



Russell (Dr. William J., F.R.S.), Action of Wood on a 

 Photographic Plate, 152 



Russell (I. C), Preliminary Report on the Geology and 

 Water Resource's of Central Oregon, 376 



Russell (J.), Effect of Electric Oscillations on the Mag- 

 netic Properties, 216 



Russell (J. B.), Notes on Volumetric Analysis, 459 



Rutherford (Prof. E., F.R.S.), Radio-activity, 289 



Sabatier (Paul), Synthesis of Tertiary Alcohols derived 



from Paramethylcyclohexane, 431 

 Sabin (L. C), Cement and Concrete, 457 

 Sachs (Dr. A.), Kleinite, 325 

 Safford (W. E.), the Useful Plants of the Island of Guam, 



221 

 y Sagitta;, New Variable Stars in the Region about, Prof. 



Wolf, 51S 

 Sailing Craft in Europe and Asia. H. Warington Smyth, 



Sir W. H. White, K.C.B., F.R.S., 536 

 Saleeby (C. W.), Organic Evolution, 99; Heredity, 171 

 Salet (P.), Spectroscopic Observations made during the 



Eclipse of the Sun of August 30, 1905, 191-2 ; Eclipse 



Spectra, 208 

 Salmon (the late Dr. George, F.R.S.), Memorial to, 274 

 Sammlung Schubert XLI I., Thcorie der Electrizitat und 



des Magnetismus, Prof. Dr. J. Classen, 4 

 San Francisco Earthquake of April 18, the, 60S, 613, 614; 



Dr. C. Davison, 608 

 Sanday (Miss E.), Embryology of the Amentifera?, part ii., 



Carpinus Betulus, 167 

 Sandys (E.), Sporting Sketches, 149 



Sang (Alfred), Chinese Names of Colours, 390; Sea-sick- 

 ness and Equilibration of the Eyes, 511 

 Sanitation : Smoke Abatement, a Manual for the Use of 



Manufacturers, Inspectors, Medical Officers of Health, 



Engineers and others, William Nicholson, 411; the 



Sanitation of a Country House, Dr. Harvey B. Bashore, 



437 

 Sap in Trees, Ascent of, Frank Harris, 246 

 Sarat Chandra Das (Rai Bahadur), Origin of Mankind 



(according to the Lamaic Mythology), 432 

 Sarle (C. L.), the Silurian Fossils described as Arthro- 



phycus and Daedalus, 590 

 Satellite, Observations of Jupiter's Sixth, iS 

 Satellite', Suggested Name for Neptune's, M. Fouche, 1S2 

 S. 1 1 ■ 1 1 i 1 . ■-,, Photographs of Jupiter's Sixth and Seventh, 182 ; 



sec also Astronomy 

 Saturn, Phoebe, the Ninth Satellite of, Prof. W. H. Picker- 

 ing, 63 

 Saturn, the Tenth Satellite of, Prof. W. H. Pickering, S7 

 Saville-Kent (W.), Pearling Industry of North Australia, 

 __ 402 

 Sob clierle 1 Prof. J. M.), the Probable Volcanic Origin of 



Nebulous Matter, 296 

 Schaer (M.), Discovery of a Comet, 1905(1, 87 

 Schaller (Mr.). Analysis of Dumortierite, 547 

 ScharfT (Dr. R. F.), the Former Occurrence of the African 



Wild Cat, Gmel., in Ireland, 215; Irish Cave Explor- 

 ations, 215 

 Scheerer (Otto), the Nabaloi Dialect, 584 

 Schenck (Dr. H.), Vegetationsbilder, 4 

 Schenck (Rudolf), Kristallinische Flussigkeiten und flussige 



Kristalle, 242 

 Schiessbaumwolle (Nitrocellulosen), die Explosivstoffe mit 



besonderer Berucksichtigung der neuren Patente die, Dr. 



Richard Escales, 364 

 Schlcesing (Th.), Nitrates and Nitrites as Manure, 95 

 Schnabel (Prof. Carl). Handbook of Metallurgy, 124 

 Schnaus (Hermann), Death and Obituary Notice of, 589 

 Schneider (C. K.), Illustriertes Handbuch der Laubholz- 



kunde. part iv., 293 

 Scholz (J. B.), Flora of West Prussia, 36 

 Schools, Chemistry in Rural, Prof. R." Meldola, F.R.S., 



558; T. S. Dymond, 583 

 Schools, Practical Science for, Prof. J. Perry, F.R.S # ., 402 

 Schubert (Dr. Hermann), Auslese aus meiner Unterrichts- 



und Vorlesungspraxis, 100, 365 

 Schuster (Prof. Arthur, F.R.S.), Sun-spot Periods, 190; 



