GENERAL INDEX. 
437 
Units of measurement, W. H. Preece on 
the C.G.S., 1888, 616 
* -the practical system of, suggestions 
regarding the extension of, by Dr. C. 
W. Siemens, 1882, 464 
__ of mechanics , uniform nomenclature 
for the fundamental, report of the Com¬ 
mittee for considering the desirability 
of introducing a, and for co-operating 
with other bodies engaged in similar 
work, 1888, 27 ; *1889, 516 
^Universal time: a system of notation 
for the twentieth century, by S. F. 
Fleming, 1886, 735 
-- hour, the general adoption of the 
Gregorian calendar in relation with that 
of the, Dr. C. Tondini de Quarenghi on, 
1888-, 747 
-hour, the initial meridian for the, a 
suggestion from the Bologna Academy 
of Science towards an agreement on, 
Dr. C. Tondini de Quarenghi on, 1888, 
618 
* -hour, the actual state of the ques¬ 
tion of the initial meridian for the, C. 
Tondini de Quarenghi on, 1890, 897 
- prime meridian, the adoption of a, 
and the unification of time, report on the 
proposals of M. Tondini de Quarenghi 
relative to, 1889, 49 
University education, the Rev. W. Emery 
on the expenses and social condition 
of, 1862, 193 
* -Mission to Africa, the proceedings 
of the United, Rev. H. C. Scudamore 
on, 1862, 196 
Unmagnetisable steel, a specimen of 
almost, J. T. Bottomley on, 1885, 903 
* Unwin (G.) on specimens of agate and 
other natural colloid silica, 1872, 85 
-(Prof. W. C.) on the best means of 
ascertaining the effective mind pressures 
to which buildings and structures are 
exposed, *1881, 779 ; 1882, 315 
-- current meter observations in the 
tidal compartment of the Thames, 1882, 
676 
--a flexible band dynamometer, 1883, 
656 
--autographic apparatus for machines 
fortesting materials, 1885, 1199 
- on the endurance of metals under 
repeated and varying stresses, and the 
proper working stresses on railway 
bridges, fyc., 1886, 284 ; 1887, 424 
-on the resistance of stone to crush¬ 
ing, as affected by the material on which 
it is bedded, 1887, 879 
* - on the investigation of the action of 
waves and currents on the beds andfore¬ 
shores of estuaries, by means of working 
models, 1889, 327 ; 1890, 512 
-- the strength of alloys at different 
temperatures, 1889, 746 
Upheaval and the thickening of subjacent 
beds, W. Topley on the correspondence 
between some areas of apparent, 1873, 
9i 
Upton (F. R.), the telemeter system, 
1887, 878 
*Upward (A.) on drilling-apparatus for 
gas- and water-mains, 1872, 252 
-(A. R.), primary batteries, 1886, 813 
Upware, Cambridgeshire, J. F. Walker on 
a new phosphatic deposit near, 1867, 73 
Uranium, salts of, Col. Stuart Wortley 
on the importance of the, in photo¬ 
graphy, 1872, 45 
* -compounds, hydrogen peroxide and 
some, T. Fairley on, 1877, 51 
-salts, the absorption spectra of, W. 
J. Russell and W. Lapraik on, 1886, 
576 
*Ure (J. F.) on improvements now being 
carried on in the river Tyne, 1863, 192 
*Urea, crystallisation of, in presence of a 
colloid, Dr. W. M. Orel on, 1879, 418 
Ureas, J. E. Reynolds on the action of 
aldehyde on the two primary, 1871, 76 
*Uric acid genesis, the principle of, S. E. 
Phillips on, 1877, 53 
Urine, Rev. W. V. Harcourt on the solvent 
treatment of uric-acid calculus, and the 
quantitative determination of uric acid 
in, 1869, 122 
* -the alkaline fermentation of, A. S. 
Lea on, 1880, 644 
- the mechanism of the secretion of, 
report on, 1886, 250 ; 1887, 131 
Urn from Chudleigh, Devon, W. Pengelly 
on an, 1876, 169 
*Urquhart (W. W.) on some of the 
difficulties the scientific engineer meets 
with in practice, 1867, 157 
Urua, Central Africa, the manners and 
customs of the people of, Commander 
Cameron on, 1879, 392 
Ussiier (R. J.) on the caves and kitchen- 
midden at Carrigagower,co. Cork, 1880, 
210 
- report to the Committee for explor¬ 
ing the caves of the South of Ireland, 
1881, 218 
-- on explorations in caves of Carboni¬ 
ferous Limestone in the South of Ire¬ 
land, 1882, 240 ; 1883, 132 
-and Prof. A. Leith Adams on the 
discovery of a bone cave near Cappagh, 
co. Waterford, 1879, 338 
-(W. A. E.) on the Palaeozoic rocks of 
North Devon and West Somerset, 1881, 
629 
- on the relations of the Middle and 
Lower Devonian in West Somerset, 
1886, 649 ; the Culm Measures of 
Devonshire, 676 
-on the Triassic rocks of West Somer¬ 
set, 1887, 719 ; on the Devonian rocks 
