416 
GENERAL INDEX. 
peans in tropical Africa, Dr. R. W. 
Felkin on the normal, 1889, 787 
Temperature, solar, J. Dewar on recent 
estimates of, 1872, 50 
-stresses produced in an elastic solid 
by the inequalities of, Dr. J. Hopkin- 
son on the, 1872, 51 
-of the tidal estuaries of the South¬ 
east of England, Dr. H. C. Sorby on 
the, 1889, 509 
-of town water supplies, B. Latham 
on the, 1879, 499 
- underground , report on the rate of in¬ 
crease of, downwards in various localities 
of dry land and under water, 1868, 510 ; 
1869, 176 ; 1870, 20 ; 1871, 14 ; 1872, 
128 ; 1873, 252 ; 1875, 14 , 156 ; 1876, 
204 ; 1877, 194 ; 1878, 178 ; 1879, 40 ; 
1880 , 26 ; 1881, 90 ; 1832, 72 ; 1883, 
45 ; 1885, 93 ; 1889, 35 
-Prof. J. D. Everett on some broad 
features of, 1879, 345 
Temperatures, constant known, a means 
of obtaining, Prof. W. Ramsay and Dr. 
S. Young on, 1885, 928 
-an apparatus for maintaining con¬ 
stant, up to 500°, Dr. G. H. Bailey on, 
1886,599 
-electric resistance thermometer for 
observing, at inaccessible situations, 
C. W. Siemens on an, 1861, 44 
- high, report on the determination of, 
by the ref Tangibility of light emitted by 
fluid or solid substances, 1873, 461 
Temperatures de la surface des eaux ma¬ 
rines ou fluviales, nouveau thermo¬ 
metre destine a prendre les, Dr. Jans¬ 
sen sur, 1872, 59 
Temple (Lieut. G. T.), hydrography, past 
and present, 1879, 229 
--- on the mountain Lapps, 1880, 631 ; 
on the North-East Passage, 663 
- the Arctic campaign of 1882 —its 
origin, constitution, and objects, 1882, 
611 
*- (Sir R.), the high road from the 
Indus to Candaha.r, 1880, 658 
— on the progress of geography in 
Asia during the last fifty years, 1881, 
74i 
-Address to the Geographical Sec¬ 
tion, 1882, 613 
- on the teaching of science in elemen¬ 
tary schools, 1885 , 692; 1886 , 278 ; 
1887,163; 1888,164; 1889,131; 1890 , 
489 
— Address to the Section of Econo¬ 
mic Science and Statistics, 1884, 813 
Tenby, the proposed exploration of cer¬ 
tain caves in the neighbourhood of, E. 
Laws on, 1877 , 118 
- report on the examination of two 
caves containing human remains in the 
neighl ourhood of, 1878 , 209 
Tenebroscope, M. Soleil’s, exhibited and 
described by the Abbe Moigno, 1863, 14 
*Tennant (Prof. J.) on a specimen of 
meteoric iron from Mexico, 1861, 93 
-on the colouring of agates, 1864, 42 ; 
*on agates found on our coasts, 72 
* - on the agates found in England, 
with specimens from different coun¬ 
tries, 1865, 76 
-on the recent discovery of diamonds 
in the Cape Colony, 1868, 79 
--on the diamonds received from the 
Cape of Good Hope during the last 
year, *1869, 101 ; *1870, 88 ; 1875, 82 
--- (J.) on Hering’s and Young’s 
theories of colour vision, 1886, 526 
-(Major J. F.) on the preparations 
for observing the total eclipse of 
August 1868, 1867, 5 
* -(W.) on the traces of an Irish lake 
dwelling found by Capt. L’Estrange in 
the county of Cavan, 1866, 79 
Tenorite, Prof. Maskelyne on, 1865, 33 
Tension of vapours near curved surfaces 
of their liquids, G. F. FitzGerald on 
the, 1879, 255 
- of water surfaces, clean and con¬ 
taminated, the, investigated by the 
method of ripples, Lord Rayleigh on, 
1890, 746 
- See ‘ Capillarity ’ and ‘ Surface 
tension ’ 
Tentaculites, Prof. H. A. Nicholson on 
Ortonia, a new T genus of fossil Tubi- 
colar Annelides, with notes on the 
genus, 1872, 118 
Teredo, preliminary report by J, Gwyn 
Jeffreys on the best mode of preventing 
the ravages of, in our ships and har¬ 
bours, 1861, 200 
Terpenes, C. T. Kingzett on the limited 
oxidation of, 1876, 64 
* - Dr. W. A. Tilden on the nitroso 
derivatives of the, 1876, 70 
*Terra-cotta clay at Watcombe, Torquay, 
R. Etheridge on the occurrence of a 
large deposit of, 1869, 87 
Terra del Fuego, Rev. W. H. Sterling 
on the natives of, 1865, 94 
Terraces in Carron valley, county of Lin¬ 
lithgow, D. Milne-Home on high-level, 
1876, 94 
Terrestrial galvanic currents, G. B. Airy 
on spontaneous, 1861, 35 
-magnetic force, G. B. Airy on the 
laws of the principal inequalities, solar 
and lunar, of, 1861, 36 
Terrill (W.) on the erratic blochs of 
England, Wales, and Ireland, 1881, 
204 ; 1882, 243 
Terry (E.), the drainage of the Tipton 
district, 1886, S 24 
--(H. L.) and W. H. Gee, the specific 
heat of caoutchouc, 1889, 516 
