xl vill 
Index 
Nature. 
June 13, 1907 
Tutin (F.), the Conversion of Morphine and Codeine into 
Optical Isomerides, 2 J 5 
Tutton (Dr. A. E. H., F.R.S.), Chemische Krystallographie, 
2 
Teeedy (R. N.), Electric Tramways, 89 } f 
Twiss (D. F.), Electrolytic Preparation of Dialkyldisul- 
phides, 23 
Twyman (F.), Improvements in Spectrophotometers, 382 
Typhoon Storms, Atmospheric See-Saw Phenomenon and 
‘the Occurrence of, Wilhelm Krebs, 560 
Ulrich (E. O.), the Copper Deposits of Missouri, 184; the 
Lead, Zinc, and Fluorspar Deposits of Western Ken- 
tucky, 184 
Ultra-violet Fluorescence of Benzene, Dr. J. Stark, 295 
Ultramicroscopes, les, A. Cotton and H. Mouton, Thomas 
H. Blakesley, 505 
United States: United States Naval Observatory Publica- 
tions, 86; United States Naval Observatory, 378 ; Mineral 
Resources of the, 140; Higher Education in the United 
States, 510; Terrestrial Physics in the United States, 
573; Geodetic Operations in the United States, 1903-6, 
G. H. Tittman and John F. Hayford, 573; the Geodetic 
Evidence of Isostacy, with a Consideration of the Depth 
and Completeness of the Isostatic Compensation and of 
the Bearing of the Evidence upon some of the Greater 
Problems of Geology, John F. Hayford, 573; U.S.A. 
Government Irrigation Project at Yuma, Prof. Oscar 
GS) Garter; sox 
Universe, Man’s Place in the, Prof. Turner, 544 
Universities : New Physical and Engineering Departments of 
the University of Edinburgh, 20; University and Educa- 
tional Intelligence, 21, 45, 69, 93, 117, 141, 164, 187, 
214, 237, 261, 286, 308, 332, 356, 381, 404, 428, 453, 475, 
502, 525, 548, 573, 597, 620; the University Movement 
in Western Australia, 35; die physikalischen Institute 
der Universitat G6ttingen, Dr. J. A. Harker, 55; the 
Scope and Problems of Protozoology, Prof. E. A. Minchin, 
Lecture at the University of London, 115; Students 
in German Universities, 380; University of Toronto, 
Prof. A. B. Macallum, F.R.S., 396; the Needs of the 
University of Cambridge, 404; the University of the Cape 
of Good Hope, 461 
Untravelled England, James John Hissey, 78 
Unwin (F.), Influence of Temperature on the Photo-electric 
Discharge from Platinum, 623 
Upheaval of the Sea Coast by Earthquakes, 
i) el ee Sees 2240) avin 227: 
Urbain (G.), the Atomic Weight of Dysprosium, 24; 
Elements producing Phosphorescence in Minerals, 143 
Usher (Francis L.), Behaviour of certain Substances at 
their Critical Temperatures, 47 
Ussher (R. J.), Excavation of ‘‘ Hyzna-dens’’ in the Mam- 
moth Cave near Doneraile, 83 
the, Dr. 
Valparaiso Earthquake, August 17, 1906, R. D. Oldham, 
439 
Van der Waals’s Equation, Application of, to Solutions, 
Earl of Berkeley, 549 
Variable Stars: Designations of Newly-discovered, 41; New 
Variable Stars, Prof. Max Wolf, 137; Miss Leavitt, 159; 
Prof. Pickering, 159; Two Stars with Variable Radial 
Velocities, Prof. Hartmann, 137; a Peculiar Short-period 
Variable (155.1906 Cassiopeize), Messrs. Miiller and 
Kemp, 327; a Quickly Changing Variable Star, F. H. 
Seares, 350; Thirty-six New Variable Stars, Miss Leavitt, 
402; Two Rapidly Changing Variable Stars, J. Baillaud, 
518; a New Variable or Nova 156.1906, Prof. E. Millo- 
sevich, 615; see also Astronomy 
Variation: Is there Determinate Variation? Prof. Vernon 
L. Kellogg, 237; Recent Progress in the Study of Vari- 
ation, Heredity, and Evolution, R. H. Lock, 577 
Variation of Wave-lengths in the Solar Spectrum, Dr. 
Halm, 304 
Varley (Dr. W. Mansergh), Influence of Temperature on 
the Photo-electric Discharge from Platinum, 623 
Vaschide (N.), Thermal Troubles 
Privation of Sleep, 144 
Vaughton (T. A.), Growing ‘‘ Alumina,” 281 
Veatch (A. C.), Underground Water Resources of Long 
Island, New York, 183 
Veley (V. H.), Affinity Constants of Aminocarboxylic and 
Aminosuiphonic Acids as Determined by the Aid of 
Methyl-orange, 262 
Venus: Naked-eye Observations of, A. Benoit, 111; Ob- 
servations of, Mr. Denning, 208; the Markings and 
Rotation Period of, Mr. Denning, 469 
Vererbung, die stofflichen Grundlagen der, im organischen 
Reich, Eduard Strasburger, 98 
Very (F. W.), the Temperature of the Moon, 281 
Vessiot (M. E.), Lecons de Géométrie supérieure, 603 
Vesuvius, the Eruption of, in April, 1906, Prof. Lacroix, 
163 
Vigouroux (Em.), New Modes of Formation and Prepar- 
ation of Titanium Tetrachloride, 479; the Alloys of 
Nickel and Tin, 528; Nature of the Body Extracted from 
Certain Rich Alloys of Nickel and Tin, 576 
Vincent (James Edmund), Highways and Byways in Berk- 
shire, 149 
Virchow (Rudolf), Briefe an seine Eltern, 1839 bis 1864, 
Supp. to March 14, iii 
Vivanti (G.), Funzioni poliedriche e modulari, 198 
Vivisection: Experiments on Animals, Stephen Paget, 121 ; 
the Relation of the Kidneys to Metabolism, F. A. Bain- 
bridge and A. P. Beddard, 357; the Transplantation of 
Nerve Ganglia in the Frog, G. Marinesco and J. Minea, 
456; Second Interim Report of the Royal Commission 
appointed to inquire into the Relations of Human and 
Animal Tuberculosis, Part i., Comparative Histological 
and Bacteriological Investigations, Dr. Arthur Eastwood, 
610; Functions of the Rolandic Cortex in Monkeys, Drs. 
W. A. Jolly and Sutherland Simpson, 623 
Volcanoes: the Eruption of Vesuvius in April, 1906, Prof. 
Lacroix, 163; Fall of a Portion of the Crater of 
Vesuvius, 205; the Geology of Samoa and the Erup- 
tions in Savaii, H. I. Jensen, 191; Eruption of Mauna 
Loa Volcano, Hawaii, 278; the Eruption of Matavanu 
in Savaii, 1905-6, 351; a New Volcanic Island, Rear- 
Admiral A. Mostyn Field, F.R.S., 414; a New Mud- 
voleano Island, F. R. Mallet, 460 
Volkerpsychologie, eine Untersuchung der Entwicklungs- 
gesetze von Sprache, Mythus und Sitte, Wilhelm Wundt, 
363 
Vote, One, One Value, Dr. Francis Galton, F.R.S., 414 
Vox Populi, Dr. Francis Galton, F.R.S., 450, 509 
Vries (H. de), Species and Varieties, their Origin by Muta- 
tion, 268 
in Cases of Absolute 
Waddell (Lieut.-Colonel L. A.), das Kloster Kumbum in 
Tibet, Wilhelm Filchner, 172 
Wade (Herbert T.), Outlines of the Evolution of Weights 
and Measures and the Metric System, 290 
Wahl (A.), Ethyl Benzoylglyoxylate, 360 
Walker (C. E.), Cytological Investigation of Cancer, 1906, 
587 
Walker (George W.), Electrical Method of Extracting Soot 
from Air in Flues, 606 
Wall (E. J.), the Photographic Picture Post-card, 1or 
Wallace (Dr. Alfred R., F.R.S.), Fertilisation of Flowers 
by Insects, 320 
Walter (Dr. B.), Radium and Helium, 102 
Warburton (C.), Collection of Oribatide from British 
Guiana, 95 
Ward (Prof. H. B.), Influence of Parasites on their Hosts, 
I 
Ward (H. Snowden), the Photographic Picture Post-card, 
Iol 
Ward (John), Death and Obituary Notice of, 155 
Warrington (Robert, F.R.S.), Obituary Notice of, 511 
Warwick (G. R.), Influence of Spectral Colours on the 
Sporulation of Various Species of Saccharomyces, 95 
Washington (Dr. H. S.), Titaniferous Basalts of the 
Western Mediterranean, 143; the Roman Comagmatic 
Region, 379 
