INDEX. 
sponding Societies Committee, 55; 
on the circulation of underground 
waters, 352; on the investigation of 
the action of waves and currents on 
the beds and foreshores of estuaries 
by means of working models, 512. 
Torpedoes, the Victoria and other, by G. 
R. Murphy, 952. 
*Tracheal occlusor apparatus in insecta, 
Prof, A. Denny on the, 864. 
Trimen (Dr.) on the steps taken for 
establishing a botanical station at 
Peradeniya, Ceylon, 470. 
*Tristram (Rev. Canon), notes on the natu- 
ral history of Hierro and Graciosa, 
two outlying members of the Canary 
Islands, 855. 
*Tropeolum, on an abnormality in, with 
remarks on the origin of the spur, by 
Prof. A. Denny, 855. 
*Trotter (Coutts) on recent explorations 
in New Guinea, 897. 
Trouton (F. T.) on molecular pheno- 
mena associated with the magnetisa- 
tion of iron (phenomena occurring at a 
red heat), 145; some experiments to 
determine wave velocity in certain 
dielectrics, 741; a coefficient of abra- 
sion as an absolute measure of hard- 
ness, 757. 
*Trowbridge (J.) on electrical oscillations 
in air, 754, 
Turner (T.) on the influence of silicon 
on the properties of iron and steel, 
262; on the best method of establish- 
ing an international standard for the 
analysis of iron and steel, id. 
Turner (Sir W.) on the natives of India, 
547. 
Turpin (Dr. G. S.) on the ignition of ex- 
plosive gaseous mixtures, 776. 
Tussock grass of the Falkland Islands, 
the acclimatisation of the, by Prof. M. 
_ M. Hartog, 872. 
Tylden-Wright (Mr.) on the circulation 
of underground waters, 352. 
Tylor (Dr. E. B.) on the natives of India, 
547; on editing a new edition of ‘ An- 
thropological Notes and Queries,’ éd. ; 
on the North-western tribes of the 
Dominion of Canada, 553. 
Type specimens of fossils in the British 
Isles, report on the best methods for 
the registration of all, 339. 
Ulterior aims of co-operators, the, by B. 
Jones, 916. 
Unburned gases contained in the flue- 
gases from gas-stoves and different 
burners, W. Thomson on the, 786. 
Underground waters in the permeable 
formations of England and Wales, the 
. Circulation of, and the quantity and 
1005 
character of the water supplied to 
various towns and districts from these 
formations, sixteenth report on, 342. 
Unidentified people, an, occupying parts 
of Britain in pre-Roman-British times, 
Dr. Phené on, 974. 
*Universal hour, the actual state of the 
question of the initial meridian for the, 
by C. Tondini de Quarenghi, 897. 
Unwin (Prof. W. C.) on the investigation 
of the action of waves and currents on 
the beds and foreshores of estuaries by 
means of working models, 512. 
Ussher (W. A. E.), the Devonian rocks, 
as described in De la Beche’s report, 
interpreted in accordance with recent 
researches, 801. 
*Vacuum joints and taps, some new, W. 
A. Shenstone on, 729. 
Value of labour in relation to economic 
theory, the, by J. Bonar, 917. 
Van ’t Hoff (J. H.) on the theory of soln- 
tion, 335; behaviour of copper potas- 
sium chloride and its aqueous solutions 
at different temperatures, 776. 
*Variability in development, Prof. A. M. 
Marshall and EK. J. Bles on, 861. 
*Variation in the eggs of birds, some of 
the probable causes of, by H. B. Hewet- 
son, 860. 
Variations in size of drops, with the in- 
terval between the fall of each, ac- 
count of experiments to determine the, 
by W. Binnie, 731. 
Varley (F. H.), a new direct-reading 
photometer measuring from unity to 
infinity, 759. 
Vaucheria hamata (Vauch.), Lyngb., a 
case of apogamy in, T. Hick on, 872. 
Ventilation, on the general theory of, 
with some applications, by W. N. Shaw, 
730. 
Veratrin, Dr. F. Ahrens on, and on the 
existence of two isomeric f-picolines, 
783. 
Vernon (H.), the Bénier hot-air engine or 
motor, 953. 
*Vertical relief of the globe, the, by Dr. 
H. R. Mill, 888. 
Vesuvius and its neighbourhood, the 
volcanic phenomena of, report on, 397. 
Victoria, the, and other torpedoes, by 
G. R. Murphy, 952. 
Vine (G. R.) on the cretaceous polyzoa, 
378. 
Vines (Prof.) on the occupation of a 
table at the laboratory of the Marine 
Biological Association at Plymouth, 
444, 
Volcanic and earthquake phenomena of 
Japan, tenth report on the, 160. 
Volcanic eruption, the supposed, of Cape 
