INDEX. 
Dowker (G.) on the erosion of the coast 
of East Kent, 415. 
Draper (Dr. D.) on solar spectroscopy in 
the infra red, 936. 
Druce (EH. R. N.) on the erosion of the 
coast at Dover, 439. 
Drummond (Prof. H.), notes on a recent 
examination of the geology of East 
Central Africa, 1032. 
Durness and Eriboll, the geology of, with 
special reference to the Highland con- 
troversy, by B. N. Peach and J. Horne, 
1027. ; 
Early human habitations on Deeside and 
vicinity, traces of, by Rev. J. G. Michie, 
1232. 
Earth, the rotational period of the, and 
the revolution period of the moon de- 
duced from the nebular hypothesis of 
Laplace, notes upon, by W. F. Stanley, 
915. 
Earthquake phenomena of Japan, fifth 
report on the, 362. 
Earthquakes, some recent, on the Dur- 
ham coast, and their probable cause, 
Prof. G. A. Lebour on, 1013. 
Earth’s magnetic field, the measurement 
of the intensity of the horizontal com- 
ponent of, T. Gray on, 898. 
Easton (E.) on the rate of erosion of the 
sea-coasts of England and Wales, 404. 
Echinoderm fauna of the island of Ceylon, 
Prof. F. J. Bell on the, 1065. 
Economic Science and Statistics, Address 
by Prof. H. Sidgwick to the Section of, 
1141. 
Economies, the application of biology to, 
P. Geddes on, 1166. 
Edgeworth (F. Y.) on methods of ascer- 
taining variations in the rates of birth, 
. death, and marriage, 1165. 
Edmunds (Dr. L.), electric lighting and 
the law, 1195. 
Egypt, Lower, notice of an outline geolo- 
- gical map of, by Prof. E. Hull, 1015. 
Electric currents and potentials, constant 
gravitational instruments for measur- 
_ ing, Prof. Sir W. Thomson on, 905. 
Electric lighting and the law, by Dr. L. 
Edmunds, 1195. 
Electric lighting at the Forth Bridge 
works, by J. N. Shoolbred, 879. 
Electric lighting, domestic, W. H. Preece 
on, 1197. 
Electric safety lamp for miners, J. W. 
Swan on an, 1196. 
Electrical measurements, report of the 
Committee for constructing and issuing 
practical standards for use in, 31. 
Electrical theories, report on, by Prof. J. 
_ J. Thomson, 97 ; Ampére’s, 98; Grass- 
_ mann’s, 100; Stefan’s, 103 ; Korteweg’s, 
105; Gauss’s, 108; W. E. Weber's, id. ; 
1239 
Riemann’s, 109; Clausius’, ib.; F. E. 
Neumann’s, 114; C. Neumann’s, 122; 
Maxwell’s, 125; v. Helmholtz’s, 133 ; 
the experimental evidence as to the 
truth of the various theories, 142; 
Schiller’s experiments, 144. 
Electricity, atmospheric, Prof. C. M. 
Smith on, 899. 
——, contact, in common air, vacuum, 
and different gases, J. T. Bottomley 
on, 901. 
Electro-centrifugal machine, a, for la- 
boratory use, A. Watt on, 991. 
Electrolysis, Prof. O. J. Lodge on, 723. 
——, Helmholtz’s views on, Prof. Schuster 
on, 977. 
Electrolysis of gases, Prof. Schuster on 
the, 977. 
Electro-optic action of a charged Frank- 
lin’s plate, Dr. J. Kerr on, 930. 
*Elements, the essential, of plants, T. 
Jamieson on, 969. 
Elephant, the development of the vertebrae 
of the, Prof. Struthers on, 1103. 
Elgin, the flora of, J. Mackenzie on, 1087. 
Elgin sandstones, the, by J. G. Phillips, 
1023. 
Elwell (J. B.), remarkable occurrence 
during the thunderstorm of August 6, 
1885, at Albrighton, ‘24. 
*Empiric naming of organic compounds, 
a plea for the, by Prof. Odling, 972. 
Eocene mammals of the ‘plastic clay’ 
period, American evidences of, by Sir 
R. Owen, 1033. 
Epidermal tissues of pitcher plants, a 
new method of preparing the, Dr. J. 
M. Macfarlane on, 1088. 
Eriboll, the geology of Durness and, with 
special reference to the Highland con- 
troversy, by B. N. Peach and J. Horne, 
1027. 
Erosion of the sea-coasts of England and 
Wales, the rate of, and the influence of 
the artificial abstraction of shingle and 
other material in that action, report on, 
404; chronological list of works on the 
coast-changes and shore-deposits of 
England and Wales, 442. 
Erratic blocks of England, Wales, and 
Ireland, thirteenth report on the, 322. 
*Ether, exhibition of a mechanical model 
illustrating some properties of the, by 
G. F. Fitzgerald, 930. 
——,, the luminiferous, on the constitu- 
tion of, on the vortex atom theory, 
Prof. W. M. Hicks on, 930. 
Etheridge (R.) on the fossil phyllopoda 
of the paleozoic rocks, 326; on the 
earthquake phenomena of Japan, 362. 
Evans (A. J.), the flint-knappers’ art in 
Albania, 1216. 
Evans (Capt. Sir F. 0.) on comparing and 
reducing magnetic observations, 65, 
