[ 759 
INDEX to VOL. VIII. 
a RAYS, on the absorption of, 719. 
Actinium, on the decay of the ex- 
cited radioactivity from, 373. 
‘Ether, on the relative motion of 
the earth and, 716, 753. 
Aichi (KX.) on the theory of the rain- 
bow due to a circular source of 
light, 598. 
Alternating currents, on instruments 
for the measurement of, 91. 
Anderson (Prof. A.) on the force on 
a magnetic particle in a magnetic 
field, 38. 
Anomalous dispersion of sodium 
vapour, quantitative determination 
of the, 293. 
Arnold-Bemrose (H. H.)on quartzite- 
dykes near Snelston, 415. 
Atkin (A. J. R.) on the gold-deposits 
of Barkerville, 415. 
Atmospheric friction on even sur- 
faces, on the, 58. 
Atomic weight of radium, on the, 
and on relationships between the 
atomic weights of the elements 
and their spectra, 279. 
Atoms, on a plan of a combination 
of, to have the properties of polo- 
nium or radium, 528. 
Austin (L. W.) on cathode disin- 
tegration in the discharge through 
gases at low pressures, 145. 
Barrow (G.) on the Moine gneisses 
of the Hast-Central Highlands, 
291. 
Bars, on the lateral vibration of, 
581. 
Beilby (G. T.) on the hard and soft 
states in metals, 258. 
Bismuth and tin, on the magnetic 
susceptibility of ailoys of, 49. 
Books, new:—Korn’s Elektrische 
Fernphotographie und Ahnliches, 
112; Poincaré’s Théorie de Max- 
well et les Oscillations Hertziennes, 
S 
112; Rutherford’s Radioactivity, 
284; Stokes’s Mathematical and 
Physical Papers, 287 ; Schmidt’s 
Die Kathodenstrahlen, 287 ; Kiih]- 
ing’s Karl Heumanns Anleitung 
zum Mixperimentieren bei Vorles- 
ungen uber anorganische Chemie, 
288; Reade’s Evolution of Earth- 
Structure, 572; Curie’s Unter- 
suchunyen tiber die Radioaktiven 
Substanzen, 572; Soddy’s Radio- 
activity, 659; Jordan’s Astro- 
nomical and Historical Chronology 
in the Battle of the Centuries, 
660 ; Righi and Dessau’s Die Tele- 
graphie ohne Draht, 661 ; Hann’s 
Jelineks | Psychrometer - Tafeln, 
661 ; Noyes’s Text-book of Organic 
Chemistry, 662; Righi’s La Mod- 
erna Teoria dei Fenomeni Fisici, 
662; Loppé’s Essais Industriels 
des Machines Electriques et des 
Groupes Electrogénes, 662; Car- 
not’s Traité d’Analyse des Sub- 
stances Minérales, 663; Preston’s 
Theory of Heat, 754; Karpen’s 
Recherches sur Effet Magnétique 
des Corps Electrisés en Mouve- 
ment, 757 ; Pettinelli’s Sageio di 
Una Teoria Generale dei Fenomeni 
Naturali and Un Nuovo Procedi- 
mento per Trovare Molte Relazion 
Note ed Ignote fra le Quantita 
Fisiche, 757; Gerard’s Lecons sur 
P’Electricité, 757; Marcolongo’s 
Teoria Matematica dello Equi- 
librio dei Corpi Elastici, 758; 
Macfarlane’s Bibliography of Qua- 
ternions, 758. 
Boulton (Prof. W.S.) on the igne- 
ous rocks of Pontesford Hill, 667. 
Bowlker (T. J.) on the lengthening 
of the spark from an induction- 
coil by the aid of auxiliary wires, 
487. 
