GENERAL INDEX. 
301 
Nitric acid: its reproduction from the 
lower oxides of nitrogen, B. C. Molloy 
on, 1878 ,512 
* - acid, the action of, on benzene, a 
study of, by Prof. L. Meyer, 1887, 653 
- ferment, alterations in the proper¬ 
ties of the, by cultivation, R. Waring- 
ton on, 1881, 593 
^Nitrification, the theory of, and the 
nature of nitrogen, T. Sterry Hunt on, 
1862, 195 
-R. Warington on, 1884, 682 
Nitrifying organism in the soil, R. 
Warington on the distribution of the, 
1886, 582 
^Nitrogen, the nature of, and the theory 
of nitrification, T. S. Hunt on, 1862, 
195 
-the assimilation by plants of atmos¬ 
pheric, Prof. W. 0. Atwater on, 1884, 
685 
* - atmospheric, description of the 
method used in converting, into am¬ 
monia, by Messrs. Brin, 1885, 977 
-and carbonic oxide, Dr. H. Kilgour 
on the question whether, Are the oxide 
of carbon in different allotropic or 
isomeric states ? 1863, 45 
* - gas, Francis Barham on the 
alimentary character of, 1864, 117 
- the excretion of: Part II., by the 
skin, J. B. Power on, 1878, 602 
- the influence of bodily exercise on 
the elimination of ,, report on, 1880, 159 ; 
1882, 269 ; 1883, 242 ; 1884, 265 
* - Dr. Phipson on sponges as a 
source of, 1865, 34 
-of manure in the soil, J. B. Lawes 
and Dr. J. H. Gilbert on the accumu¬ 
lation of the, 1866, 40 
- organic, E. C. C. Stanford on the 
retention of, by charcoal, 1870, 65 ; 
*1871, 81 
- in steel, the presence of, A. H. 
Allen on, 1879, 302 
- and hydrogen, the alleged direct 
union of, H. B. Baker on, 1883, 467 
* -of vegetation, the sources of the, 
the present aspect of the question of, 
Sir J. B. Lawes and Prof. J. H. Gilbert 
on, 1887, 660 
Nitrogenous organic matters in water, 
Dugald Campbell on Messrs Wanklyn, 
Chapman, and Smith’s method of 
determining, 1867, 32 
Nitro-glycerine, A. Nobel on dynamite, 
a recent preparation of, as a blasting- 
agent, 1868, 194 
* - apparatus for demonstrating the 
explosion of, P. Braham on, 1887, 672 
Nitro-paraffins, the reduction-products of 
the, Prof. Dunstan and T. S. Dymond 
on, 1887, 649 
Nitroprussides, the action of chlorine 
upon the, Prof. E. W. Davy on, 1878, 
505 
*Nitroso derivatives of the terpenes, Dr. 
W. A. Tilden on the, 1876, 70 
*Nitrous acid, the amount of, produced 
in electric illumination, Prof. J. Dewar 
on, 1879, 317 
- anhydride, gaseous, the non¬ 
existence of, Prof. W. Ramsay and 
J. T. Cundall on, 1885, 965 
-gases, the action of, upon amyl 
alcohol, J. Williams and M. H. Smith 
on, 1885, 992 
- oxide in the gaseous and liquid states , 
IF. J. Janssen on, 1876, 211 
Niven (Prof. C.) on a differential gravity 
meter, 1886, 141 ; 1887, 41 ; 1888, 72 ’ 
Nobel (A.) on dynamite, a recent pre¬ 
paration of nitro-glycerine as a blast¬ 
ing-agent, 1868, 194 
Noble (Alfred) on Reaumer’s porcelain, 
1864, 36 
-(Capt. Andrew), Address to the 
Mechanical Section, 1890, 930 
- — (Capt. W. H.) on various experi¬ 
ments on the penetration of iron plates 
by steel shot, 1866, 403 ; Appendix, 436 
jSoctiluca, Prof. Allman on the structure 
of, 1872, 131 
*Noctilucine, Dr. T. L. Phipson on, 1875, 
45 
Noelting (Dr.) and Dr. Abt on the 
constitution of azimido-compounds, 
1887, 642 
-and Dr. Binder on the constitution 
of the mixed diazoamido-compounds, 
1887, 643 
*Nolan (F.) on the creation of a public 
commission to purchase land for resale 
to occupiers in Ireland, 1878, 662 
- (J.) on the ancient volcanic dis¬ 
trict of Slieve Gullion, 1878, 527 ; on 
the metamorphic and intrusive rocks 
of Tyrone, 536 
Nomad races of European Russia, H. H. 
Howorth on the, 1868, 136 
- tribes of Asia Minor and Northern 
Persia, report on the geography and 
the habits, customs, and physical 
characters of the, and on excavating on 
sites of ancient occupation, 1889, 176 : 
1890,535 
^'Nomenclature, scientific, Thomas Brown 
on the application of the Greek and 
Latin languages to, 1866, 70 
Norfolk (F.), Southport as an example 
of modern enterprise, 1883, 630 
-*the vital and commercial statistics 
of Bath, 1888, 780 ; *old age and sick¬ 
ness assurance for the mercantile and 
professional classes, ib. 
Norfolk and Suffolk, Rev. J. Gunn on the 
Anglo-Belgian basin of the Forest-bed 
of, 1866, 52 
