GENERAL INDEX. 
11 
nature of, 1863, 37 ; on the electrical 
permanency of metals and, 124 
Alloys of copper, tin, zinc, lead, and other 
metals with manganese, J. Fenwick 
Allen on the, 1870, 50 
--the strength of, at different tem¬ 
peratures, by Prof. VV. C. Unwin, 1889, 
746 
Allport (S. B.) on recent improvements 
in sporting guns and their accessories, 
1886, 820 
Alluvial accumulation in the valleys of 
the Somme and Ouse, It. A. C. Godwin- 
Austen on the, 1863, 68 
* - deposits of the fthine, R. A. C. 
Godwin-Austen on the, 1862, 195 
* - and diluvial deposits of Central 
Germany, Dr. K. Yon Seebach on the, 
1862, 195 
*Almanach, W. N. Adler on the, 1861, 12 
Almond and peach, Dr. Karl Koch on the 
specific identity of the, 1868, 102 
*Aloe from S.E. Africa, T. Baines on a 
tree-, 1873, 104 
Aloes, researches on the crystalline con¬ 
stituents of, by W. A. Tilden, 1875, 46 
Alphabet, John Evans on the, and its 
origin, 1872, 181 
Alpine railways, the construction and 
working of, J. B. Fell on, 1883, 633 
Alps, John Ball on thermometric ob¬ 
servations in the, 1862, 363 
* - (Mont Cenis), the great tunnel 
through the, D. T. Ansted on, 1870, 69 
•—— W. Mathews, jun., on serious 
inaccuracies in the great survey of the 
south of Mont Blanc, as issued by the 
Government of Sardinia, 1862, 147 
- Post-Carboniferous (Dyassic) and 
Triassic geology of the, Rev. A. Irving- 
on the, 1882, 551 
-rock of Carboniferous age in the, 
Prof. T. G. Bonney on a supposed case 
of metamorphism in a, 1883, 507 
■- the Central, preliminary note on 
some traverses of the crystalline dis¬ 
trict of the, by Prof. T. G. Bonney, 
1885, 1027 
--traverses of the western and of the 
eastern, made during the summer of 
1887, preliminary note on, by Prof. T. 
G. Bonney, 1887, 705 
* Altazimuth instrument for the use of 
explorers, Lieut.-Col. Strange on a 
small, 1869, 168 
Alternate currents in parallel conductors 
of homogeneous or heterogeneous sub¬ 
stance, Sir W. Thomson on, 1890, 732 
Alternating versus continuous currents 
in relation to the human body, H. N. 
Lawrence and Dr. A. Harries on, 1890, 
957 
Alternation of generations in green 
plants, J. R. Vaizey on, 1887, 771 
*Alum Bay, Isle of Wight, W. S. Mitchell 
on hitherto unrecorded leaf forms, &c. 
from, 1865, 68 
-- leaf-bed, W. Stephen Mitchell on 
the , 1866, 146 
Alum, report on the manufacture of, 1861, 
11 7 
*-process in sugar-refining, J. A. R. 
Newlands on the, 1876, 66 
Alumina, Alfred Bird on the purification 
of terrestrial drinking waters with 
neutral sulphate of, 1866, 33 
-sulphate of, free from iron, a new 
process for the production of, from 
aluminous minerals containing iron, J. 
W. Kynaston on, 1880, 545 
*Aluminic compounds, the constitution 
of, Prof. Odling on, 1879, 302 
Aluminium, I. L. Bell on the manufacture 
of, 1863, 33 
-—— the manufacture of, from cryolite. 
Prof. P. P. Bedson on, 1889, 535 
-the manufacture of the alloys of, in 
the electric furnace, J. Id. J. Dagger 
on, 1889, 538 
--process, R. E. Crompton on recent 
developments of the Cowles, 1888, 809 
--- the mechanical properties of, W. H. 
Barlow on, 1882, 668 
-bronze for artillery and small arms, 
J. H. J. Dagger on, 1*890, 948 
-metallic, as a chemical reagent, Dr. 
J. B. Cohen and R. Ormandy on, 1889, 
550 
--Dr. J. H. Gladstone and A. Tribe on 
the augmentation of the chemical 
activity of, by contact with a more 
negative metal, 1875, 43 
--- alcohols, Dr. J. H. Gladstone and A. 
Tribe on, 1878, 508 
Aluminous mineral from the Upper 
Chalk, near Brighton, Dr. J. H. Glad¬ 
stone and G. Gladstone on an, 1861, 79 
■-iron-ores of co. Antrim, Dr. Holden 
on the, 1871, 74 
Amazon. W. Danson on Barragudo cotton 
from the plains of the, 1861, 140 
Amazons, H. W. Bates on the delta of 
the, 1861, 137 
-Upper, Messrs. Wallace and Mayne 
on a Peruvian expedition up the rivers 
Pachitea and Ucayali of the, 1867, 131 
- Francis F. Searle on Peruvian ex¬ 
plorations and settlement on the, 1869, 
167 
Amblystegium eonfervoides, Dr. J. Fraser 
on, a moss new to Britain, 1867, 82 
Ambresbury Banks, excavations in a 
camp called, in Epping Forest, Major- 
Gen. Pitt-Rivers on, 1881, 697 
America, Admiral Sir E. Belcher on the 
glacial movements in the vicinity of 
Mount St. Elias, on the N.W. coast of, 
1861, 186 
