436 
GENERAL INDEX 
Tyrone, the metamorphic and intrusive 
rocks of, J. Nolan on, 1878, 536 
Tytherington and Thornbury section, 
Eev. H. H. Winwood on the, 1888, 658 
Uddevalla, in Sweden, J. Gwyn Jef¬ 
freys on the Upper Tertiary fossils at, 
1863, 73 
Uigurs, Prof. A. Vambery on the, 1868, 141 
Ulster tenant-right, Prof. Donnell on the, 
1874, 202 
- the rainfall of, J. Smyth, jun. on, 
1874, 39 
-the rocks of, as a source of water- 
supply, W. A. Traill on, 1878, 537 
Ultramundane corpuscles, the mutual 
action of vortex atoms and, Prof. G. 
Forbes on, 1878, 498 
Ultra-violet spark spectra emitted by 
metallic elements, and their combina¬ 
tions under varying conditions, report 
on the investigation of the, by means of 
photography, 1882, 143 ; 1883, 127 
*Um Shaumur, in the peninsula of Sinai, 
ascent of, Rev. G. Prout on an, 1862, 
196 
Unburned gases contained in the flue¬ 
gases from gas-stoves and different 
burners, W. Thomson on the, 1890, 786 
'•^Undercurrents, Dr. W. B. Carpenter on 
the physical theory of, 1874, 22 
Underground conductors for electric 
lighting, &c., Prof. G. Forbes on, 1887, 
875 
*- electrical work in America, F. 
Brewer on, 1887, 882 
- railway communication in great 
cities, Col. R. R. Hazard on, 1888, 821 
- temperature, report on the rate of 
increase 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 ; 188 L, 90 ; 1882, 72 ; 
1883, 45 ; 1885,93; 1889, 35 
- Temperature Committee, summary of 
results contained in the first fifteen 
reports of the, by Prof . Everett, 1882, 74 
- temperature, some broad features 
of, Prof. J. D. Everett on, 1879, 345 
- water, England and Wales, chrono¬ 
logical list of worhs referring to, by W. 
Whitaker, 1881, 384 
-water in porous strata, the variations 
in atmospheric pressure and rainfall 
causing oscillations in, I. Roberts on 
the attractive influence of the Sun and 
Moon causing tides and, 1883, 405 
- waters in the New Red Sandstone 
and Permian formations , the circulation 
of the, and the quantity and character 
of the water supplied to various towns 
and districts from these formations , 
report on , 1875, 114 ; 1876, 95 ; 1877, 
56 ; 1878, 382 ; 1879, 15 ; 1880, 87 ; 
1881, 309 ; 1882, 213 ; 1883, 147 ; 1884, 
96 ; 1885, 380 ; 1886, 235 ; 1887, 358 ; 
1888, 145 ; 1889, 71 ; 1890, 352 
Underground waters of the permeable 
formations of England, the replenish¬ 
ment of the, J. B. Denton on, 1888, 797 
Unemployed, the training and instruc¬ 
tion of the, in the manufacturing dis¬ 
tricts during the present crisis, Rev. W. 
N. Molesworth on, 1862, 162 
Uniformity of weights and measures, report 
on the best means of providing for a, 
1863, 102 ; 1864, 102 ; 1865,375; 1866, 
352 ; 1867, 468 ; 1868, 484 ; 1869, 308 ; 
1870, 232 ; 1871, 198 ; 1872, 25 ; 1874, 
359 
Unilateral conductivity, Dr. A. Schuster 
on, 1874, 31 
United Kingdom, James T. Hammick on 
the general results of the census of the, 
in 1861, 1861, 220 
- Kingdom, Prof. Leone Levi on the 
progress of learned societies, illustra¬ 
tive of the advancement of science, in 
the, during the past thirty years, 1868, 
169 , 196 
* -States, the rainfall of the, Prof. J. 
Henry on, 1870, 36 
*■-States, C. G. Wheeler on the recent 
progress in Chemistry in the, 1871, 83 
-States, Prof. J. Hall on the relations 
of the Middle and Upper Silurian rocks 
of the, 1872, 103 
* -States Geographical and Geological 
Survey, J. Pierce, jun. on the, 1887, 804 
* -States, G. W. Norman on the future 
of the, 1874, 211 
- States, Protection in the, and its 
lessons, G. Baden-Powell on, 1880, 671 
* -States, the economic policy of the, 
Prof. L. Levi on, 1887, 829 
-States 11872-73), Capt. S. Anderson 
on the demarcation of the interna¬ 
tional boundary between Canada and 
the, 1874, 172 
-States, the revenue system of the, 
Dr. A. Snaw on, 1888, 763 
Units of measures, Prof. W. J. M. Rankine 
on, 1864, 188 
- of force and energy, Prof. J. D. 
Everett on, 1871, 29 
- dynamical and electrical, first report 
of the Committee for the selection and 
nomenclature of, 1873, 222 ; Appendix, 
G. Johnstone Stoney on objections to the 
units proposed, 225 ; second report, 
1874, 255 
--of force, energy, and power, larger 
than those on the centimetre-gram- 
second system, Prof. J. Thomson on 
metric, 1876, 32 
