94 
GENERAL INDEX. 
Copper and brass, the electro-deposition 
of, W. H. Walenn on, 1870, 69 
-- plates, J. H. Gladstone and A. 
Tribe on the corrosion of, by nitrate of 
silver, 1871, 29 
- A. Tribe on the precipitation of 
silver by, 1872, 84 
■ -- and lead ores, W. Molyneux on the 
occurrence of, in the Bunter conglo¬ 
merates of Cannock Chase, 1872, 116 
-extraction by the wet way, the 
history of, W. Henderson on, 1876, 64 
-the action of various fatty oils 
upon, W. H. Watson on, 1877, 53 
-a peculiar behaviour of, W. H. 
Preece on, 1880, 470 
-contained in copper ores, and regu- 
luses, a new process for separating 
silver from, W. Henderson on, 1880 ,546 
* -the extraction of, J. Dixon on a 
process for utilising waste-products 
and economising fuel in, 1881, 567 
-wire, W. H. Preece on, 1887, 874 
--the rate of solution of, in acids, V. 
H. Yeley on, 1888, 638 
——. tin alloys, the composition of, by A. 
P. Laurie, 1888, 637 
——- the specific resistance of, T. C. Fitz- 
patriclion , 1890, 120 
-- potassium chloride and its aqueous 
solutions, the behaviour of, at different 
temperatures, J. H. van ’t Hoff on, 
1890, 776 
■ -zinc couple, Dr. J. H. Gladstone and 
A. Tribe on the action of the, 1875, 43 
* - zinc couple, Dr. J. H. Gladstone 
on the influence of the condition and 
quantity of the negative element on 
the action of the, 1876, 64 
*Coppinger (R. W.) on a visit to Sky¬ 
ring Water, Straits of Magellan, 1880, 
66 5 
Coppinia arcta, Prof. G. J. Allman on the 
structure of, 1868, 87 
Copyhold enfranchisement, the applica¬ 
tion of, to long leases in Ireland, J. H. 
Edge on, 1878, 663 
Coquand (Prof. Henri) on the parallelism 
of the Cretaceous strata of England and 
the north of France, with those of the 
west, south-west and south of France, 
and the north of Africa 1868, 61 
tCoQUiLHAT (Capt.) on the Bangala, a 
tribe on the Upper Congo, 1887, 798 
*Cora (G.) on the equatorial lakes of 
Africa, 1873, 167 
Coracoid, the mammalian,the morphology 
of, Prof. G. B. Howes on, 1886, 686 
* -process, rudimentary structures 
relating to the human, Prof. A. Mac- 
alister on, 1886, 687 
Coral atoll, on the shore-line at Arbig- 
land, near Dumfries, Scotland, J. 
Thomson on a, 1883, 498 
Coral, an existing favositoid, W. S. Kent 
on, 1870 ,119 
-fungia, some points in the natural 
history of the, W. E. Hoyle on, 1888, 
717 
-—— like forms in the Crystalline Lime¬ 
stone of Inishowen, co. Donegal, Prof. 
E. Hull on the presence of, 1889, 577 
-- from the Oligocene, Prof. P. Martin 
Duncan on Asterosmilia Rcedi, a new 
species of, 1881, 618 
-reefs, discussion on, 1888, 718 
-sea, explorations in the islands of 
the, by K. Nichols, 1876, 167 , 183 
Corals, Rev. P. B. Brodie on two new 
species of, in the Lias of Warwickshire, 
1865, 49 
*-the affinities of the sponges to the, 
W. S. Kent on, 1870, 120 
- British fossil, Dr. P. Martin Dun¬ 
can on the, 1868, 75 ; 1869, 150 ; 1871, 
116 
- Mountain-limestone, report on cut¬ 
ting and preparing sections of, for the 
'purpose of showing their structure by 
means of photography, 1869, 171 ; 1870, 
41 ; 1871, 165 ; 1872, 241 ; 1873, 479 ; 
1875, 165 
-from the Shetlands, Dr. J. E. Gray 
on new, 1864, 95 
- a new genus of rugous, from the 
Mountain-Limestone of Scotland, J. 
Thomson on, 1875, 83 
Cordeaux ( J.) on the migration of birds, 
1881, 189 ; 1882 , 283 ; 1883 , 229 ; 1884, 
266 ; 1885 , 685 ; 1886 , 264 ; 1887, 70 ; 
1888, 146 
- on malting a digest of the observa¬ 
tions on the migration of birds, 1889, 
114 ; 1890, 464 
Cordillera, Eastern, Clements R. Mark¬ 
ham on the, and the navigation of the 
River Madeira, 1871, 184 
Cordyline australis, positively geotropic 
shoots in, Prof. F. O. Bower on, 1886, 
699 
Core (Prof.) on science lectures and 
organisation, 1873, 507 
Corea and North China, J. D. Rees on, 
1886, 734 
Coresolvents, the Hon. J. Cockle on the 
inverse problem of, 1867, 3 
Corfield (Prof.) on the treatment and 
utilisation of sen'age, 1870, 49 ; 1871, 
166 ; 1872, 135 ; 1873. 413 ; 1S74, 
200 ; 1875, 65 ; 1876, 225 
- Abstract of the four previous reports 
on the treatment and utilisation of sew¬ 
age, 1873, 438 
Corfu, Prof. D. T. Ansted on a deposit of 
sulphur in, 1863, 64 
Corixa, R. Garner on the vocal organ of 
the, 1864, 122 
Cork, West, the hiatus said to have been 
