xlii 
Index 
Nature,’ 
June 13, 1907 
Die Gattung Hausmannia, Dunker, und einige seltenere 
Pflanzenreste, Prof. P. B. Richter, 617 
SUPPLEMENT TO Marcu 14, 1907. 
Rudolf Virchow, Briefe an Seine Eltern, 1839 bis 1864, 
Supp. to March 14, iii 
Introduction to General Inorganic Chemistry, Prof. 
Alexander Smith, Prof. Arthur Smithells, F.R.S., Supp. 
to March 14, iv 
Systematic Inorganic Chemistry from the Standpoint of 
the Periodic Law, Dr. R. M. Caven and Dr. G. D. 
Lander, Prof. Arthur Smithells, F.R.S., Supp. to March 
14, iv 
A Progressive Course of Comparative Geography on the 
Concentric System, P. H. L’Estrange, Geo. G. Chis- 
holm, Supp. to March 14, v 
Philips’ Progressive Atlas of Comparative Geography, Geo. 
G. Chisholm, Supp. to March 14, v 
Stanford’s Octavo Atlas of Modern Geography, Geo. G. 
Chisholm, Supp. to March 14, v 
Photography for Students of Physics and Chemistry, Prof. 
Louis Derr, Supp. to March 14, vi 
A Fauna of the Tay Basin and Strathmore, J. A. Harvie- 
Brown, Supp. to March 14, vii 
Auxiliary Tables to Facilitate the Calculations of the 
Survey of India, Lieut.-Colonel S. G. Burrard, BRIS 
Supp. to March 14, viii 
Das Cerebellum der Saugetiere, Prof. Louis Bolk, Prof. 
J. S. Macdonald, Supp. to March 14, ix 
Theory of Differential Equations, Dr. A. R. Forsyth, 
F.R.S., Supp. to March 14, x 
Reynolds (Prof. 
Mendips, 550 
Rhé (Gyuia), Social- und Anthropogeographie des Balaton- 
sees, 79 
Rheden ‘(Dr.), Comet 1907a (Giacobini), 544 
Rheinberg (Julius), Photography in Natural Colours, 103 
Rhodesia, Medieval, Dr. David Randall-Maclver, 369 
Rhythmic Approach to Mathematics, a, Edith L. Somervell, 
409 
Rhythmical Pulsation in Scyphomedusz, Alfred G. Mayer, 
Silurian Inlier in the Eastern 
Sh lel), 
545 
Riccd (Prof.), Eclipse Observations, 16; Solar Observ- 
ations at Catania, 498 
Rice (Prof. Wm. North), the Contributions of America to 
Geology, 354 
Richards (J. T.), Technical Terminology, 510 
Richards (Ralph W.), Synopsis of Mineral Characters, 
Alphabetically Arranged for Laboratory and Field Use, 
583 
Richardson (Hugh), Gambling and Mathematics, 415 
Richardson (Prof. O. W.), the a-Rays, 223 
Richter (P. B.), Beitrage zur Flora der unteren Kreide 
Quedlinburgs, Teil i., die Gattung Hausmannia, Dunker, 
und einige seltenere Pflanzenreste, 617 
Rideal (Dr.), the Advantages and Disadvantages of Heat- 
ing Buildings with Gas Stoves, 469 
Ridley (H. N.), the Menagerie at the Botanic Gardens, 
Singapore, 594; Habits of the Malay Tapir, 594 
Ries (Dr. Heinrich), Clays, their Occurrence, Properties 
and Uses, with especial Reference to Those of the United 
States, 411 
Rigaud (F.), Preparation mécanique des Minerais, 509 
Ritz (W.), the Origin of Spectra in Series, 528 
River Pilcomayo from its Discharge to Parallel 22° S., 
with Maps of Reference, Gunnar Lange, 617 
Rivers, Progressive Waves in, Dr. Vaughan Cornish, 597 
Rivers (W. H. R.), the Todas, 462 
Rivetage, M. Fricker, 460 
Rivkind (Mlle. L.), the Distribution of Vicianine and of 
its Diastase in the Seeds of Leguminose, 191 
Road-making Stones, Attrition Tests of, E. J. Lovegrove, 
Petrographical Descriptions by Dr. John S. Flett and 
J. Allen Howe, 220 
Roberts (B. J. P.), a Compensated Micromanometer, 165 
Roberts’s (the late Dr.) Celestial Photographs, 402 
Robinson (F. E.), a Junior Arithmetic, 74; a New Shilling 
Arithmetic, 409 
Robinson (R.), Some Derivatives of Benzophenone, 215 
Rockefeller Institute for Medical Research, the Scientific 
Study of Infectious Diseases, Dr. W. H. Welch, 213 
Rocks, Helium and Argon in Common, Hon. R. J. Strutt, 
Bo Sern 
Rocks, an Investigation into the Elastic Constants of, 
more especially with Reference to Cubic Compressibility, 
Prof. Frank 1). Adams and Prof. Ernest G. Coker, 451 
Rogers (Anne F.), Statistical Study of Generic Characters 
of the Coccacer, 39 
Rogers (F.), Microscopic Study of Strain in Metals, 287 
Rolston (Mr.), a Bright Meteor, 86 
Rolston (W. E.), Obituary Notice of Prof. Antonio Mas- 
cari, 373; Plan of Selected Areas, Prof. J. C. Kapteyn, 
427 
Roman Comagmatic Region, the, Henry S. Washington, 
379 
Rosa (Mr.), New Determination of the E.M.F. of the 
Weston and Clark Cells by a Gray Electrodynamometer, 
233 
Rose (Dr. J. N.), New Species of Cacti, 349 
Rosenthal (Mr.), New Type of X-Ray Tube, 136 
Ross (Janet), Galileo in the Val D’Arno, 593 
Ross (Major Ronald, F.R.S.), Malaria in Greece, 61; the 
Inoculation Accident at Mulkowal, 486; Haffkine’s Pro- 
phylactic and the Mulkowal Disaster, 588 
Rotation Period of Venus, the Markings and, Mr. Denning, 
69 
Roresay Rainfall and the Sun-spot Cycle, Alex. B. Mac- 
Dowall, 488 
Round Cake, Cutting a, on Scientific Principles, 173 
Routh (Dr. Edward J., F.R.S.), the Mathematical Tripos, 
20 
Ree (John Frederick), the Human Epic, the Pre- 
historic Story of Mankind, 73 
Rowell (H. W.), the Direct Estimation of Antimony, 215 
Royal Astronomical Society, 143, 189 
Royal College of Science, London, Bursaries at the, Prof. 
Johny Perry, .haR-S:.) 70 
Royal Dublin Society, 190, 359, 479 
Royal Institution, the Internal Architecture of Metals, 
Prof. J. O. Arnold, 43; Some Astronomical Consequences 
of the Pressure of Light, Prof. J. H. Poynting, F.R.S., 
at, 90; Recent Progress in Magneto-Optics, Prof. P. 
Zeeman, 138, 160; Flame the Working Fluid in Gas and 
Petrol Engines, Dugald Clerk, 546; Problems of Applied 
Chemistry, Prof. George Lunge, 617 
Royal Irish Academy, Dublin, 119, 407, 552 ae 
Royal Medical and Chirurgical Society, on De-Novo Origin 
of Bacteria, Bacilli, Vibriones, Micrococci, Torula, and 
Moulds in certain previously superheated Saline Solu- 
tions contained within Hermetically Sealed Tubes, Dr. 
H. Charlton Bastian, F.R.S., at, 425 
Royal Meteorological Society, 119, 216, 334, 454, 551 
Royal Microscopical Society, 70, 188, 287, 359, 478, 5090 
Royal Society, 47, 69, 141, 165, 187, 214, 262, 309), 357) 
382, 429, 476, 526, 549, 574, 598, 621; Royal Society’s 
Medal Awards, 36; Anniversary Meeting of the Royal 
Society, 130 
Royal Society, Edinburgh, 190, 334, 455, 622 
Royal Society, New South Wales, 191, 287, 480 
Royal Society of Sciences, Gottingen, 336, 384 
Rubber: Rubber Cultivation in the East, and the Ceylon 
Rubber Exhibition, Dr. J. C. Willis, 209; the Prepara- 
tion of Rubber, Dr. J. C. Willis, 377; Kelway Bamber, 
377; Chemical Composition of Some Rubber-tyre Rub- 
bers, Dr. P. Schidrowitz and F. Kaye, 383 ; Composition 
of Some New Crude Rubbers, Dr. P. Schidrowitz and 
F. Kaye, 383; Rubber in the East, 437 ’ 
Rudge (W. A. Douglas), Action of Radium and certain 
other Salts on Gelatin, 141; Specific Heat of Gases at 
Constant Volume and High Pressure, 189 
Ruhemann (S.), Xanthoxalanil and its Analogues, 
Dithioxanthoxalanil and its Homologues, 551 
Russ (S.), Rate of Recovery of Residual Charge in Elec- 
tric Condensers, 527 : 
Russell (A.), Magnetic Field and Inductance Coefficients 
of Circular, Cylindrical, and Helical Currents, 431; 
189 ; 
