2 
GENERAL INDEX. 
Abernethy (J.), Address to the Section 
of Mechanical Science, 1880, 688 
- improved Continental communica¬ 
tion, 1882, 665 
♦Aberration, Prof. J. D. Everett on a dif¬ 
ficulty in the theory of. 1872, 36 
* Abies, the structure of the leaf in dif¬ 
ferent species of, Prof. M‘Nabon, 1876, 
144 
Abiogenesis, Dr. Burdon Sanderson on 
Huizinga’s experiments on, 1873, 131 
Abney (Capt. W. de W.) on photographic 
operations connected with the transit 
of Venus, 1874, 19 ; on the reproduc¬ 
tion of maps and plans in the field, 
183 
-on the ratio of the actinic power to 
the illuminating power of the magneto- 
electric light, 1875, 25 
* - on photometric measurements of 
the magneto-electric light, 1876, 36 
* -on a method of showing the sun’s 
rotation by spectrum-photography, 
1877,31 
- on a standard of white light, 1880, 
119 ; 1881, 126 ; 1882, 38 ; 1.883, 127 ; 
1885, 61 ; 1886, 39 ; 1887, 47 5 1888, 39 ; 
on the present state of our hnorvledge 
of spectrum analysis, 1880, 258 ; 1881, 
317 ; 1882, 120 ; 1884, 295 
-on hydrocarbons in the solar atmo¬ 
sphere, 1881, 524 ; on the effect of the 
spectrum on silver chloride, 594 
- on meteoric dust, 1882, 90 ; 1883, 
126 ; 1884, 38 ; 1885, 34 ; on the pre¬ 
paration of a new series of tables of 
wave-lengths of the spectra of the ele¬ 
ments, 1882, 144 ; 1884, 351 ; 1885, 28 S; 
1886, 167 ; *1887, 624 ; 1890, 224 
-- on sun light and sky light at high 
altitudes, 1882, 459 
-- on the best experimental methods 
that can be used in observing total solar 
eclipses, 1883, 49 
-on fixing a standard of white light, 
1883, 422 
- on the best methods of recording the 
direct intensity of solar radiation, 1884, 
28 ; 1885, 156 ;' 1886, 63 ; 1887, 32 ; 
1889, 40 ; 1890, 144 
- on electrolysis in its physical and 
chemical bearings, 1886, 308 ; 1887, 
336 ; 1888 , 339 ; 1889, 223 ; 1890, 138 
-- on the action of light on. the hydracids 
of halogens in presence of oxygen, 1888, 
89 ; 1889, 59 ; 1890, 263 
- on the absorption spectra of pure 
compounds, 1889. 227 ; 1890, 339 
-Address to the Section of Mathe¬ 
matical and Physical Science, 1889, 481 
- on the quantity of deposit of silver 
produced by the development on a 
photographic plate in terms of the 
intensity of light acting, 1889, 493 
Abney (Capt. W. de W.) and Prof. 
Schuster, preliminary account of re¬ 
sults obtained during the late total 
solar eclipse (May 17, 1882), 1882, 
441 
Abnormal and arrested development as 
an indication of evolutionary history, 
Dr. J. G. Garson on, 1885, 1226 
Aboriginal monuments in Canada, Sir 
Duncan Gibb on the paucity of, 1869, 
133 
♦Aborigines of Australia, John Crawfurd 
on the animal and vegetable food of 
the, 1867, 114 
♦- of India, John Crawfurd on the 
supposed, 1867, 114 
- tropical, some tribes of, T. J. 
Hutchinson on, 1878, 589 
- of the River Darling, New South 
Wales, some customs of the, F. 
Bonney on, 1882, 607 
Abrading and transporting power of 
water, Thomas Login on the roads and 
railwa} r s of Northern India as affected 
by the, 1869, 214 
Abraham (Dr. P. S.), observations on 
four crania from Kimberley, West 
Australia (Mr. Hardman’s collection), 
1886, 836 
♦Abramof (Major-General) on the prin¬ 
cipality of Karategin, 1871, 174 
Abrasion, a coefficient of, as an absolute 
measure of hardness, F. T. Trouton on, 
1890, 757 
Absorption in the intestines, the me¬ 
chanism of, Prof. E. A. Schafer on, 
1884, 783 
.- emission, and reflection of obscure 
heat, Prof . Gustav Magnus on, 1869, 
214 
-of the sun’s heat-rays by the vapour 
of the atmosphere, Rev. F. W. Stow’ 
on the, 1874, 39 
--of radiant heat by gases, a method 
of investigating the, experimentally. 
Prof. P. G. Tait on, 1882, 475 
-bands of bile, Dr. Thomas Andrews 
on the, 1869, 59 
--spectra, Dr. J. H. Gladstone on the 
value of the hollow wedge in examin¬ 
ing, 1868, 18 
- spectra of uranium salts, W. J. 
Russell and W. Lapraik on the, 1886, 
576 
- spectra, the, of rare earths, Dr. 
G. H. Bailey on, 1887, 654 
- spectra of the haloid salts of didy- 
mium, Dr. G. H. Bailey on the, 1887, 654 
- spectra of pure compounds, report 
on the, 1889, 227 ; 1890, 339 
- spectrum of chlorochromic anhy¬ 
dride, G. J. Stoney and Prof. J. E. 
Reynolds on the, 1878, 434 , *511 
Abt (Dr.) and Dr. Noelting on the 
