780 
Index. 
Telephone. — On the Wire Telephone and 
its application to the study of the Pro- 
perties of strongly Magnetic Metals, 
by Professor Chrystal, 707. 
Note on the Wire Telephone 
as a Transmitter, by James Blyth, 
730. 
Temperature, of Linlithgow Loch, 56, 
68, 409. 
Physiological ltesults of, 68. 
under the Ice in Frozen Lakes, 
by John Aitken, 409. 
of Origination of Solar Spectrum, 
by Piazzi Smyth, Astronomer- Royal 
for Scotland, 284. 
Temple at Jerusalem, 482-485. 
Tennent (Robert). — Why the Barometer 
does not always indicate the Real 
Weight of the mass of the Atmosphere 
Aloft, 212. 
Proposed Theory of the move- 
ment of Barometric Depressions, 
280. 
Thermodynamic Thermometry, 440, 
441. 
Therm omagnetic Thermoscope, 538. 
Thermometers.— Deep Sea Thermometers, 
by J. Y. Buchanan, 77 ; Self-Registering 
Thermometers, 7 8 ; Cavendish’s Ther- 
mometer, 78, 84 ; Walferdin’s Ther- 
mometer, 78, 82; Six’s Thermometer, 
78, 82 ; Aime’s Thermometer, 80, 84; 
Sources of Error in the Indications of 
various Thermometers, 81 ; Parrot 
and Lenz's experiments on effects of 
pressure on Thermometers, 82 ; 
Pullen’s Thermometer, 83 ; Millar- 
Casella’s Thermometer, 85, 86 ; 
Negretti and Zambra’s Inverting 
Thermometer, by J. Y. Buchanan, 
86. 
On Steam-Pressure Thermo- 
meters of Sulphurous Acid, Water, 
and Mercury, 432 ; High-pressure 
Steam Thermometers, 435, by Sir 
William Thomson. 
A Realised Sulphurous Acid 
Steam- Pressure Thermometer, and on 
a Sulphurous Acid Steam-Pressure 
Differential Thermometer, by Sir 
William Thomson, 532, 535, 536. 
On a Constant Pressure Gas 
Thermometer, by Sir William Thom- 
son, 539. 
Notice of the Completion of the 
new Rock Thermometers at the Royal 
Observatory, Edinburgh, 710. 
Thermometry. — Researches in Thermo- 
metry, by Dr Edmund J. Mills, 
562. 
Thermoscope. — On a Differential Ther- 
moscope, founded on change of Vis- 
cosity of Water with change of Tem- 
perature, by Sir William Thomson, 
537. 
Thermoscope. — Thermomagnetic Ther- 
moscope, by Sir William Thomson, 538. 
Thioformiate of Potassium, 425. 
Thompson (D’Arcy Wentworth), Note 
on Ulodendron and Halonia, 44. 
Thomson (Sir William) on Gravitational 
Oscillations of Rotating Water, 92 ; 
Nodal Tesseral Oscillations, 96 ; 
Waves or Oscillations in an Endless 
Canal, with straight parallel sides, 96 ; 
Oscillations and Waves in Circular 
Basin, 98. 
on Vibrations of a Columnar 
Vortex, 443. (Nee Vortex.) 
on Steam -Pressure Thermometers 
of Sulphurous Acid, Water, and Mer- 
cury, 432. 
on a High-pressure Steam Ther- 
mometer, 435. 
on Thermodynamic Thermo- 
metry, 440, 441.. 
on a Sulphurous Acid Cry ophorus, 
442. 
on a Realised Sulphurous Acid 
Steam-Pressure Thermometer, and on 
a Sulphurous Acid Steam-Pressure 
Differential Thermometer, 532, 535, 
536. 
on a Differential Thermoscope, 
founded on change of viscosity of 
Water, with change of Temperature, 
537. 
on a Thermomagnetic Thermo- 
scope, 538 ; use of the Thermoscope, 
539. 
on a Constant-Pressure Gas 
Thermometer, 539. 
Thomson Effect by the aid of Currents 
from the Gramme Machine, by Pro- 
fessor Tait, 49. 
Tides, 92. 
Topography of Jerusalem, by Lieut. 
Claude Reignier Conder, 474. 
Traquair (Dr R. H.), on the Structure 
and Affinities of the Platisomidse, 202. 
Report on the Fossil Fishes 
collected in Roxburghshire and Dum- 
friesshire, 710. 
Trevelyan (Sir Walter Calverley), Bart., 
Obituary Notice of, 354. 
Trimethyl-sulphine. — On the action of 
Heat on the Salts of Trimethyl-sul- 
phine. No. III. By Professor Crum 
Brown and J. Adrian Blaikie, 53, 
253. 
