390 
GENERAL INDEX. 
of Mr. Darwin in his treatise on the, 
1861, 141 
Species, Prof. Owen on the characters of 
the Aye-Aye, as a test of the Lamarck¬ 
ian and Darwinian hypothesis of the 
transmutation and origin of, 1862, 114 
- and varieties, Rev. W. N. Moles- 
worth on the influence of changes in 
the conditions of existence in modify¬ 
ing, 1862, 111 
- origin of, B. T. Lowne on type 
variation and potymorphism in their 
relation to Mr. Darwin’s theory of the, 
1868, 104 
*—— origin of, Archdeacon Freeman on 
man and the animals, being a counter- 
theory to Mr. Darwin’s as to the, 1869, 
132 
—— origin of. Some of the more im¬ 
portant facts of succession in relation 
to any theory of continuity, Dr. Cob- 
bold on, 1870, 131 
* - origin of, Prof. A. Macalister on 
the bearing of muscular anomalies on 
the Darwinian theory of the, 1871, 140 
:i! Specific characters as useful and indif¬ 
ferent, Prof. G-. J. Romanes on, 1889, 
628 
- gravity of liquid and solid sub¬ 
stances, Dr. Otto Richter on the che¬ 
mical and physical principles in con¬ 
nexion with the, 1863, 54 
-heat of caoutchouc, W. W. H. Gee 
and H. L. Terry on the, 1889, 516 
--and latent heat in relation to the 
combining heats of the chemical ele¬ 
ments, Dr. W. Newton on, 1889, 541 
f-inductive capacity, an account of 
some experiments on, by J. E. H. 
Gordon, 1878, 433 
-inductive capacity, some new r in¬ 
struments recently constructed for the 
continuation of researches on, J. E. H. 
Gordon on, 1879, 249 
-inductive capacity of glass, secular 
changes in the, J. E. PI. Gordon on, 
1879, 250 
* - volumes of certain liquids, Prof. 
Thorpe on the, 1874, 67 
- volumes of liquids, preliminary re¬ 
port on extending the observations on 
the, 1875, 62 
* - volumes, Prof. Ramsay’s method 
of determining, Prof. L. Meyer on. 
1887, 653 
Spectra, absorption, Dr. J. H. Gladstone 
on the value of the hollow wedge in 
examining, 1868, 18 
- of certain boric and phosphoric 
acid blowpipe beads, C. Horner on the, 
1873, 64 
■-of carbon, two, existing at the same 
temperature, W. M. Matts on, 1870, 
44 
Spectra of comets, the cause of bright 
lines in the, G. J. Stoney on, 1879, 251 
- of the elements, wave-length tables of 
the, report on the preparation of a new 
series of, 1882, 144 ; 1884, 351 ; 1885, 
288 ; 1886, 167 ; * 1887 , 624 ; 1890 , 224 . 
( See ‘Wave-numbers, report on,’ 1872, 
53 ; 1873, 249 ; *1874, 241 ; 1878, 37 ) 
-of the elements, the harmonic series 
of lines in the, Prof. C. Range on, 1888, 
5 76 
*-of the elements, the, and the con¬ 
stitution of the sun, Prof. H. A. Row'- 
land on, 1890, 751 
- of gases, the interrupted, G. J. 
Stoney on the cause of, 1870. 41 
-of gases, Dr. A. Schuster on the 
influence of temperature and pressure 
on the widening of the lines in the, 
1873, 39 
- of gas-vacuum, end-on tubes, re¬ 
examination of the, after six to ten 
years of existence and use, by C. P. 
Smyth, 1889, 490 
--- of the haloid salts of didymium, 
the, Dr. G. H. Bailey on, 1890, 773 
-—— of some of the Heavenly Bodies, 
Prof. W. A. Miller on the, 1864, 12 
--- of the hydrocarbons, Prof. W. Swan 
on the wave-lengths of the, 1871, 43 
*——- of meteorites, the, compared with 
the solar spectrum, J. N. Lockver on, 
1888,576 
*——- a mode of producing on a screen, 
with the oxyhydrogen flame, P. Braham 
on, 1874, 56 
- stellar, exhibiting bright lines, 
Prof. E. C. Pickering on Draper me¬ 
morial photographs of, 1886. 553 
- the ultra-violet spark, emitted by 
'metallic elements and their combina¬ 
tions under varying conditions, report 
on the investigation of, by means of 
photography, 1882, 143 ; 1883, 127 ; 
1885, 276 
Spectral analysis, Prof. Pliicker on, 1863, 
15 
f-lines, Lord Rayleigh on a natural 
limit to the sharpness of the, 1873, 39 
—— lines of metals, the reversals of the, 
Prof. Liveingand Prof. Dewar on, 1882, 
495 
-observations, recent, J. N. Lockver 
on, 1879, 317 
- rays, reports of com mittees appointed 
to construct and print catalogues of, 
arranged upon a scale of wave-mum bers, 
1872,' 53 ; 1873, 249 ;‘1878, 37 ; 1882, 
144 ; 1884, 351 ; 1885 , 288 ; 1886. 167 ; 
*1887, 624 ; 1890, 224 
Sjaectrale, l’analyse, Dr. Janssen sur une 
nouvelle methode pour la recherche de 
la soude et des composes du sodium 
par, 1869, 68 
