GENERAL INDEX. 
305 
^Occlusion of gaseous matter by fused 
silicates at high temperatures, and its 
possible connection with volcanic 
agencies, I. Lowthian Bell on the, 
1881, 580 
*Occultation of stars, of the first and other 
bright magnitudes, the desirability of 
observing, from places where they are 
to be seen near the horizon, H. S. 
Williams on, 1881, 547 
Occupation, F. G. P. Neison on the 
influence of, upon health, 1868, 174 
Occupations and employments, the effects 
of different, on the physical development 
of the human tody, report on, 1888, 
100 ; 1889, 186 
Ocean, A. G. Findlay on the bed of the, 
1865, 379 
* - Dr. W. B. Carpenter on the 
origin of the red clay found by the 
‘ Challenger ’ at great depths in the, 
1875, 64 
- currents, A. W. Clayden on two 
models illustrating the action of the 
winds in relation to, 1889, 669 
* -telegraphy, Capt. Rowett on, 1870, 
224 
Oceanic circulation, Dr. W. B. Carpenter 
on the thermo-dynamics of the general, 
1871, 51 
-thermal circulation, Dr. Carpenter 
on the general, 1872, 48 
f- circulation, Dr. W. B. Carpenter 
on the bearings of recent observa¬ 
tions on the doctrine of, 1875, 190 
-circulation, J. Croll on the ‘ Chal¬ 
lenger’s ’ crucial test of the wind and 
gravitation theories of, 1875, 191 
- currents, the effects of, upon 
climates, Rev. Dr. Haughton on, 1881, 
45 1 
-deposits, J. Murray on the geo¬ 
logical distribution of, 1876, 183 
* -deposits and their origin, notes on, 
based on observations made on board 
H.M.S. ‘ Challenger,’ by J. Murray, 
1876, 147 
*—— or maritime discovery, exploration 
and research, Capt. Sir F. J. Evans on, 
1881, 742 
* -islands and shoals, J. Y. Buchanan 
on, 1885, 1136 
Odling ('William) on the synthesis of 
some hydrocarbons, 1862 , 48 ; on the 
nomenclature of organic compounds, 
ib. ; on ferrous acid, ib. 
■ -Address to the Chemical Section, 
1864, 21 
- on the treatment and utilisation of 
sewage, 1871, 166 
- on science-lectures and organisation, 
1873, 507 
* -on some properties of gallium, 
1877, 53 ; *note on benzine deriva¬ 
tives, ib.; *note on Dr. W. Gibb’s re¬ 
searches on cobaltamines, ib. 
*Odling [Prof. W.] on the constitution 
of aluminic compounds, 1879, 302 
* -on the inferences deducible from 
high molecular weights, as exhibited by 
the oxides of manganese, 1881, 582 
- on the ultra violet spark spectra 
emitted by metallic elements, and their 
combinations under varying conditions, 
1882, 143 ; 1883. 127 ; 1885, 276 
- on chemical nomenclature, 1883, 127 : 
1884, 39 ; 1885, 262 
--*a plea for the empiric naming of 
organic compounds, 1885, 972 
-*micro-organismsin drinking-water, 
1886, 583 ; *011 some decompositions of 
benzoic acid, 599 
- on forming a uniform system of re¬ 
cording the results of water analysis, 
1889, 55 
-and J. E. Marsh on some xenoene 
or diphenyl products and reactions, 
1887, 646 
O'Donovan (E.) on Merv, 1882, 624 
*Odontoidium os, the connection of the, 
with the centrum of the axis vertebra, 
Prof. D. J. Cunningham on, 1885, 1101 
Oertling (L.) on the hydrometer and 
its adaptation to the present require¬ 
ments of the Board of Inland Revenue, 
1865, 21 
*Ogilby (W.) on the excentricity of the 
earth, and the method of finding the 
coordinates of its centre of gravity, 
1862, 17 
Ogilvie (George), interim report of the 
committee for dredging on the north and 
east coasts of Scotland, 1861, 281 
-[Dr. G.] on the adaptation of the 
structure of the shell of the bird’s egg 
to the function of respiration, 1867, 
102 
* -(T. R.) on the estimation of 
phosphoric acid as pyrophosphate of 
magnesia, 1874, 66 
- on the estimation of potash and 
phosphoric acid, 1877, 9 , 26 
Ogle (Dr. W.) on the work of the 
Anthropometric Committee, 1883, 253 
Ogowe, the basin of the, S. de Brazza on, 
1879, 439 
-the native races of Gaboon and, 
S. de Brazza on, 1879, 394 
O’Hagan (Lord), Address to the Section 
of Economic Science and Statistics, 
1874, 185 
- on combinations of capital and 
labour, 1875, 146 
O’Halloran (J. S.) on Charles 
Winnecke’s explorations in Central 
Australia, with notes on the em¬ 
ployment of camels, 1884, 812 
Ohio, a group of mounds in, notice of 
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