GENERAL INDEX. 
263 
* Magnetic properties of the blood, Dr. A. 
Gaingee on the diamagnetic and, 1871, 
T 3 8 
-- properties of gases, Prof. Quincke 
on the, 1887, 6o8 
-research, a new field of, F. H. Varley 
on, 1870, 26 
- rotation of compounds, the, in re¬ 
lation to their chemical composition, 
Dr. W. H. Perkin on, 1884, 673 
-rotation of mixtures of water, and 
some of the acids of the fatty series 
with alcohol and with sulphuric acid, 
Dr. W. H. Perkin on the, 1886, 579 
- rotation, molecular refraction and, 
dispersion of carbon compounds, Dr. 
J. H. Gladstone and Dr. W. H. Perkin 
on the correspondence between the, 
1889, 515 
-state and the geological constitu¬ 
tion of the British Isles, the relations 
between, Profs. A. W. Rucker and T. E. 
Thorpe on the, 1889, 586 
- storm of the end of August and 
beginning of September 1859, B. 
Stewart on the photographic records 
given at the Kew Observatory of the 
great, 1861, 47 
-storm of the beginning of August 
1865, as recorded by the self-recording 
magnetographs at the Kew and Lisbon 
Observatories, J. B. Capello and B. 
Stewart on the, 1865, 20 
- survey of England , report by Gen. 
E. Sabine on the repetition of, 1861, 250 
I. Dip , 252 
II. Intensity of the magnetic force, 
261; ( a ) horizontal force in abso¬ 
lute measure, ib. ; ( b ) variations 
of the total force determined by the 
statical method , 266 
III. Declination (contributed by F. J. 
Evans), 273 
-survey of France, the recent, the 
instruments used in, Prof. A. W. Riicker 
on, 1889, 497 
-survey of the globe, proposals con¬ 
cerning a, by Dr. E. Nanmann, 1889, 
565 
-- survey of Japan, the recent, Prof. 
C. G. Knott on, 1888, 588 
-survey of Scotland, the third, Prof. 
T. E. Thorpe and A. VV. Rucker on, 
1885, 926 
* -susceptibility of iron, the effect of 
transverse stress on the, Sir W. Thom¬ 
son on, 1877, 37 
* -susceptibility, a method of inves¬ 
tigating, Prof. Sir Wm. Thomson on, 
1882, 474 
.-susceptibility and retentiveness of 
soft iron, Prof. J. A. Ewing on the, 
1883, 402 
-- susceptibility of diamagnetic and 
feebly magnetic solids, a method of 
determining in absolute measure the, 
Sir W. Thomson on, 1890, 745 
Magnetic viscosity in iron, Prof. J. A. 
Ewing on, 1889, 497 
^‘Magnetically polar diorite, exhibition of 
a small block of, by Prof. E. Hull, 
1889, 577 
Magnetiques, perturbations, en France, 
Prof. E. Mascart sur les, 1890, 751 
Magnetisation of iron in strong fields, 
Prof. J. A. Ewing and W. Low on the, 
1887, 586 
—— of Hadfield’s manganese steel in 
strong fields, Prof. J. A. Ewing and 
W. Low on the, 1887, 587 
- of soft iron bars of various lengths 
in a uniform magnetic field, A. Tana- 
kadate on the intensity of, 1888, 566 
-—— of iron, report on the molecular 
phenomena connected withthe, 1889, 33 ; 
1890, 145 ; notes on the report for 1890, 
by F. Osmond , 1890, 157 
'-^Magnetised rings, plates, and disks of 
hardened steel, experiments on, by P. 
Braham, 1875, 28 
* - steel, Dr. Phipson on, when dis¬ 
solved in acids, 1867, 14 
*Magnetisingfunctionof iron, nickel, and 
Cobalt, H. A. Rowland on the, 1875, 29 
Magnetism, the action of, on photogra¬ 
phic plates, P. Braham on, 1889, 519 
-of the earth, the forms of the in¬ 
fluence exerted by the sun on the, 
Prof. Balfour Stewart on, 1883, 419 
-induced, Prof. J. A. Ewing on the 
molecular theory of, 1890, 740 
- of iron, nickel, and cobalt, W. 
F. Barrett on the molecular changes 
that accompany the, 1873, 40 
* - the influence of, on the discharge 
of electricity through gases, Prof. A. 
Schuster on, 1884, 633 
-ships’, Gaussin’s warning regarding 
the sluggishness of, Sir William Thom¬ 
son on, 1878, 496 
* -of soft iron, Sir W. Thomson on 
effect of stress on the, 1875, 29 ; 1876, 
45 
-terrestrial, Rev. H. Lloyd on the 
secular changes of, and their connection 
with disturbances, 1861, 41 
- terrestrial, report on the adequacy 
of existing data for carrying into effect 
the suggestion of Gauss, to apply his 
general theory of terrestrial magnetism 
to the magnetic variations, 1862, 170 
- terrestrial, the advantages to the 
science of, to be obtained from an expe¬ 
dition to the region within the Antarctic 
circle, by Commander Creah, 1886, 98 
-- terrestrial, Gauss' theory of, being a 
report on his constants for 1829, by H, 
Petersen and A. Erman, 1872, 
