86 
GENERAL INDEX. 
Coal-fields and coal production of India, 
V. Ball on the, 1879, 334 
-- Nova Scotian, a comparison of the 
distinctive features of, by E. Gilpin, 
jun., 1884, 712 
- Tyrone, E. T. Hardman on the 
geological structure of the, 1874, 77 
Coal-gas, W. Marriott on the separation 
of ammonia from, 1861, 86 
-- a method for the determination of 
sulphur in, A. Vernon Harcourt on, 
1870, 59 
* - the estimation of sulphur in, W. 
Marriott on, 1870, 60 
* -- A. Vernon Harcourt and F. IV. 
Fison on a continuous process for 
purifying, and obtaining sulphur and 
ammonium sulphate, 1873, 64 
* -A. V. Harcourt on an apparatus for 
estimating carbon bisulphide in, 1875, 
43 
-the proximate analysis of, W. 
Dittmar on, 1876, 63 
- the application of a new unit of 
light to the examination of, A. V. 
Harcourt on, 1877, 51 
-- of different qualities, report on the 
best means for the development of light 
from: Part I ., 1878, 108 ; Part II., 
1880, 241 
--- from cannel - coal, I)r. Stevenson 
Macadam on the economic distillation 
of, 1869, 69 
Coal-measures, discovery of, under New 
Red Sandstone, and on the so-called 
Permian rocks of St. Helen’s, Lanca¬ 
shire, A. Strahan on the, 1881, 632 
- Dictyoxylons of the, Prof. W. C. 
AVilliamson on the structure of the, 
1871, hi 
-fern-stems and petioles of the, Prof. 
W. C. Williamson on, 1873, 106 
-- of Kilmaurs, PI. Woodward on the 
discover}' - of a large Myriapod of the 
genus Euphoberia in the, 1869, 103 
— Labyrinthodonts of the , report on 
the, 1873, 225 
-in Mold Valley, W. Ness on the, and 
their products, 1865, 68 
-of N. S. Wales, William Keene on 
the, 1864, 58 
* -organic remains of the, L. P. Cape- 
well on the, 1865, 49 
■-plants of the, recent researches 
into the organisation of some of the, 
Prof. W. C. Williamson on, 1876, 98 
(see 1871, 131 , and 1889, 69 ) 
--- in Norfolk and Suffolk, Rev. J. 
Gunn on the prospect of finding pro¬ 
ductive, 1872, 102 
-sporangia of ferns from the, W. 
Carruthers on the, 1870, 71 
* -of Sydney, Cape Breton, J. V. 
Lesley on the, 1863, 82 
Coal-measures, Traquairia, a radiolarian 
rhizopod from the, W. Carruthers on, 
1872, 126 
--tree ferns of the, W. Carruthers on 
the, and their affinities with existing 
forms, 1872, 98 
-of Upper Silesia, Prof. F. Roemer 
on a fossil spider lately discovered in 
the, 1865, 73 (see 1871, 112 ) 
--- westward extension of the, into 
South-eastern England, Prof. W. Boyd 
Hawkins on the, 1886, 650 
- of the Wigan Coal-field, C. E. 
He Ranee on the variation in thickness 
of the middle, 1876, 89 
Coal-miners of Hurham and Northumber¬ 
land, Hr. Wilson on the habits and 
diseases of the, 1863, 126 
Coal-mines, explosions in British, Thomas 
Dobson's report on the, during the year 
1859, 1861, 236 
-George Senior on the diminution of 
accidents in, since the appointment of 
Government inspectors, 1866, 133 
-John Haglish on the counterbalanc¬ 
ing of winding engines for, 1866, 141 
-and iron-mines, T. A. Readwin on 
the, of the Arigna district of the 
Connaught Coal-Measures, 1872, 122 
f Coal-mining in Italy, P. le Neve Foster, 
jun., on, 1874, 222 
* - coal, and coke, in Northumber¬ 
land and Hurham, N. Wood, J. Taylor, 
J. Marley, and J. W. Pease on, 1863 ,191 
Coal-pits, R. C. Clapham and John 
Haglish on minerals and salts found in, 
1863, 37 
Coal-plants from Nova Scotia, Hr. J. W. 
Lawson on two new, 1863, 67 
Coal-seam in Coates’s Park Colliery, 
James Oakes on a peculiar denudation 
of a, 1866, 64 
Coal-seams on the coast of Greenland, 
E. Whymper on, 1869, 6 
* -of the eastern portion of the South 
Wales basin, the, and their chemical 
composition, J. W. Thomas on, 1880, 
534 
Coal-search, suggestions on sites for, in 
the south-east of England, by W. 
Whitaker, 1890, 819 
Coal-supply, the present state and future 
prospects of our, Prof. E. Hull on, 1889, 
702 
Coal-tar bases, J. Hewar on, 1868, 35 
-- colours, the identification of the, 
J. Spiller on, 1880, 542 
-colouring matters, Hr. W. H. Perkin 
on, 1884, 678 
-colour industry, the development of 
the, since 1882, Hr. W. H. Perkin on, 
1890, 775 
Coalbrook Hale, Rev. W. Penton on the 
geology of, 1865, 72 
