GENERAL INDEX. 
247 
Life, expectation of, Charles M. Willich 
on, 1863, 178 
-germ, F. Crace-Calvert on the action 
of heat on, 1871, 122 
-initial, C. S. Wake on, 1869, 151 
- insurance and recruiting , a scale of 
physical proportions for , by C. Roberts , 
1884, 282 
* -on a meteoric stone falling on the 
earth, Sir W. Thomson on the possi¬ 
bility of, 1877, 43 
* -and mind, R. Dunn on the pheno¬ 
mena of, 1867, 101 
* - origin of, Dr. Bastian on some 
new experiments relating to the, 1871, 
122 
* - origin of, nature, &c., P. Melville 
on the, 1867, 102 
—— physical conditions of, C. Koberts 
on a classification of the, 1879, 381 
-preservation and prolongation of, to 
100 years, Dr. P. Smith on the, 1885, 
1079 
-protoplasmic, F. Crace-Calvert on, 
1871, 123 
* -saving, from buildings which may 
be on fire, G. B. Galloway on the means 
of, 1865, 150 
Lifeboat, construction of the, Prof. Mac¬ 
donald on the, 1867, 155 
-a hydraulic steam, G. F. Green on, 
1890, 947 
Lifeboats, covered, George Maw on, 1867, 
156 
* -improvements in, J. T. Morris on, 
1887, 882 
-packing of, G. Fawcus on improve¬ 
ments in the, 1868, 189 
* -for ships and steamers, G. B. Gal¬ 
loway on, 1864, 186 
Life-history of the simplest organisms, 
researches on the, by the Rev. W. IT. 
Dallinger, 1877, hi 
^Life-tables by the Swedish calculating- 
machine, Dr. W. Farr on, 1864, 165 
Lift-bridge, a new, for the Midland Great 
Western Railway, over the Royal Canal 
at Newcomen Bridge, Dublin, descrip¬ 
tion of, by B. B. Stoney, 1878, 697 
Lifts, warehouse. T. Dobson on improved 
mine-hoists and, 1876, 222 
Light, action of, on combustion, C. Tom¬ 
linson on the supposed, 1869, 78 
-action of, upon the diazo-compounds 
of primuline and dehydrothiotoluidine, 
A. G. Green, C. F. Cross, and A. J. 
Bevan on, 1890, 781 
--the action of, on the liydracids of 
the halogens in the presence of oxygen, 
Dr. A. Richardson on, 1887, 638 
- the action of, on the liydracids of 
halogens in presence of oxygen, report 
on, 1888, 89 ; 1889, 59 ; 1890, 263 
* -the action of, on dry hydrogen and 
chlorine, Prof. H. B. Dixon and J. A. 
Harker on, 1889, 541 
*Light, action of, on the retina and other 
tissues, Drs. Dewar and MacKendrick 
on the, 1873, 126 
* -action of, Dr. D. S. Price on the, 
upon sulphide of lead, and its bearing 
upon the preservation of paintings in 
picture galleries, 1865, 34 
-action of, on water colours, Dr. A. 
Richardson on, 1888, 641 
* - the chemical action of, Prof. 
Roscoe on a self-registering apparatus 
for measuring, 1874, 66 
- chemical actions of, discovered by 
Prof. Tijndall, Prof. Morren on tlic, 
1869, 66 
-constant, A. V. Harcourt on a lamp 
giving a, 1883, 426 
-- diffraction of, experiments on, with 
circularly ruled plates of glass, P. 
Braham on, 1873, 36 ; *1874, 25 
-the emission and absorption of rays 
of, by certain gases, Dr. J. H. Glad¬ 
stone on, 1861, 79 
-lantern for lecture demonstrations 
with electric, W. Ladd on an improved, 
1870, 26 
-loss suffered by, some observations 
of the. in passing through glass, by 
Sir J. Conroy, 1886, 527 
- motion of camphor, &c., towards 
the, C. Tomlinson on the, 1862, 23 
- polarised, M. A. Cornu on a new 
geometrical theorem relative to the 
theory of reflection and refraction of, 
1866, 9 
-propagation of, Prof. J. H. Poynting 
and E. F. J. Love on the law of the, 
1886, 521 
-the specific refraction and dispersion 
of, by liquids, Dr. J. H. Gladstone on, 
1881, 591 
- standards of white, report on, 1880, 
119 ; 1881, 126 ; 1882, 38 ; 1883, 127; 
1885, 61 ; 1886 , 39 ; 1887, 47 ; 1888, 39 
Appendix I., 1888:— Photometric 
comparison of candles, the pentane 
standard , the new pentane lamp , 
and the amyl-acetate lamp, 41 
Appendix II., 1888 :— Incandescent 
platinum, 47 
- ratio of the actinic power to the? 
illuminating power of the magneto¬ 
electric, Capt. Abney on the, 1875. 25 
- transmission of, through animal 
bodies, Dr. Richardson on the, 1868, 
118 
* -unit of, for photometry, A. V. Har¬ 
court on a new, 1877, 31 
-unit of, the application of a new, 
to the examination of coal-gas, A. 
Vernon Harcourt on, 1877, 51 
- is the velocity of, in an electrolytic 
