GENERAL INDEX. 
307 
Oliver (Prof. D.) on our present know¬ 
ledge of the flora of China , 1887, 94 ; 
1888, 420 ; 1889, 112 
--(F. W.) on the presence of callus- 
plates in the sieve-tubes of certain gi¬ 
gantic Laminarias, 1887, 761 
* -on certain adaptations for the nu¬ 
trition of embryos, 1888, 710 
* -on Tuchungia, a new genus from 
Central Africa, 1889 , 649 ; *on a case 
of mycorhiza, ib. 
-[Prof. F. W.] on the floral biology 
of Episcia maculata , 1890, 869 
-(Lieut. S. P.), description of two 
routes through Nicaragua, 1867, 127 
-(Dr. T.), our local industries [New¬ 
castle district] in their social and 
pathological aspects, 1889, 639 
Olsen (O. T.), the North Sea fisheries, 
1882, 640 
Ommanney (Rear-Admiral E.) on Arctic 
exploration, 1865, 125 
-[Adm. Sir E.], Address to the Geo¬ 
graphical Section, 1877, 122 
- on the rate of erosion of the sea-coasts 
of England and Wales , 1885, 404 ; 1886, 
847 ; *1888, 898 
- on the aid given by the Dominion 
Government and the Government of the 
United States to the encouragement of 
fisheries, and to the investigation of the 
various forms of marine life on the coasts 
and rivers of North America , 1885, 479 
-on Antarctic research, 1885, 1132 
- on the desirability of further re¬ 
search in the Antarctic regions , 1886, 
277 ; 1888, 316 
Ommatoplea, Dr. W. C. McIntosh on the 
proboscis of, 1868, 105 
^Omond (R. T.) on a peculiarity of the 
cyclonic winds of Ben Nevis, 1887, 
595 
Onagraceae, H. T. Stainton on the extra¬ 
ordinary partiality shown by insects of 
the gee us Laverna for plants of the 
order, I 860 , 93 
O’Neill (C.), the extent to which calico 
printing and the tinctorial arts have 
been affected by the introduction of 
modern colours, 1887, 640 
Onny, an estimate of the quantity of 
sedimentary deposit in the, by Rev. 
J. D. La Touche, 1869, 93 
- the River, report on the sedimentary 
deposits of, 1870, 11 
Onslow (Lord) on allotments, 1886, 765 
Ontario, report on dredgings in Lake, by 
H. A. Nicholson, 1872, 137 
- the agricultural resources of, J. 
Carnegie on, 1884, 848 
Onychodus, the Devonian ganoid, the 
occurrence of, in Spitzbergen, A. S. 
Woodward on, 1889, 584 
*Oolite, J. Randell on the position in the 
Great, and the mode of working, of the 
Bath freestone, 1864, 66 
Oolite, Inferior, Rev. G. F. Whidborne on 
the Lamellibranchiata, and Prof. W. J. 
Sollas on the Spongidas of the, 1882, 
534 
-Inferior, C. Moore on the presence 
of naked Echinodermata in the, and 
Lias, 1872, 117 
- the extension of the Bath, under 
London, as shown by a deep boring at 
Streatham, W. Whitaker on, 1888, 656 
- the relations of the Great, to the 
Forest marble and Fuller’s-earth in the 
South-west of England, H. B. Wood¬ 
ward on, 1888, 651 
*Oolites of the Bath district, the denuda¬ 
tion of the, W. S. Mitchell on, 1870, 
80 ; *1871, 107 
*Oolitic strata, M. Hebert on some of 
the, seen at Dundry, 1864, 57 
- texture in Limestone rocks, Prof. 
H. G. Seeley on the origin of, 1880, 674 
fOphir, the Land of, and Bechuanaland, 
Rev. J. Mackenzie on, 1888, 745 
Ophiuroidea, the Rev. Alfred Merle Nor¬ 
man on the morphology of the, 1863, 
106 
Ophrydium versatile, the zoocytium or 
gelatinous matrix of, Prof. A. Harker 
on, 1885, 1074 
*Opium derivatives, Dr. C. R. Wright on 
some, 1874, 67 
* - consumption of, Dr. Collingwood 
on the, 1867, 137 
* -the use of, among the Chinese, Dr. 
G. Thin on, 1870, 157 
—— revenue, Rev. F. S. Turner on the 
statistics of the Indian, 1876, 210 
Oppenheim (Dr. A.) on aceto-sulphuric 
acid, 1869, 72 ; on bromo-iodide of 
mercury, ib. 
* - on the action of phosphorus on 
alkaline solutions of metals, 1872, 79 
* -- on oxyuvitic acid, 1875, 45 
* -and L. Jackson on derivatives of 
mercaptan, 1875, 43 
Oppkrt (Dr. Gustav) on the Ivitai and 
Kara Kitai, 1869, 165 
—— on a classification of languages on 
the basis of ethnology, 1879, 392 
* -India the home of gunpowder, on 
philological evidence, 1880, 636 
fOpPLER (Dr. A.) on acclimatisation, 
1887, 799 
Optical characters of minerals, a new 
method for studying the, H. C. Sorby 
on, 1877, 77 
-glass, the defects in, arising from 
a want of homogeneity, H. Grubb on a 
method of photographing, 1876 , 37 
f-comparison of methods for observ¬ 
ing small rotations, Lord Rayleigh on 
the, 1885, 930 
x 2 
