12 
GENERAL INDEX. 
* America, British North, the depth of 
the permanently frozen stratum of 
soil in, Gen. Sir J. H. Lefroy on, 1885, 
1136 (see 1886, 271 ; 1887, 152 ) 
* - North, the origin and mode of 
occurrence of the petroleum of, T. 
Sterry Hunt on, 1862, 195 
- South, David Forbes on some 
minerals from, 1865, 29 
-South, David Forbes on the exist¬ 
ence of gold-bearing eruptive rocks in, 
1865, 52 
- Central, the volcanic and earth¬ 
quake regions of, W. Hancock on, with 
observations on recent phenomena, 
1883, 594 
- Jurassic mammals of, Prof. 0. C. 
Marsh on, 1881, 734 
-North, the Eozoic rocks of, Dr. T. 
Sterry Hunt on, 1884, 727 
-North, and the eastern side of the 
Atlantic, the former connection be¬ 
tween, Prof. W. Boyd Dawkins on, 
1884, 812 
-evidences of Eocene mammals of the 
‘plastic clay’ period in, Sir R. Owen 
on, 1885, 1033 
- Philip P. Carpenter on the Mollusca 
of the west coast of North, 1863, 517 
-- Eastern North , report on the Mol¬ 
lusca of Europe compared with those of, 
1872, 302 
-Eastern North, J. Gwyn Jeffreys on 
the Mollusca of Europe compared with 
those of, 1872, 137 
-—- North-west, R. Brown on the mam¬ 
malian fauna of, 1869, 109 
--- North, W. Danson on the flax-fibre 
cotton of, 1861, 140 
-North, Principal J. W. Dawson on 
the succession of Palmozoic floras in, 
1865, 50 
- North-west, Dr. R. Brown on the 
geographical distribution of the floras 
of, 1871, 128 
--North, the desert flora of. Dr. C. C. 
Parry on, 1870, 122 
-South, C. Carter Blake on some 
points in the cranioscopy of nations of, 
1863, 133 
-the migrations of man in, H. Clarke 
on the comparative chronology of, in 
relation to comparative philology, 
1873, 141 
--British North, a search in, for lost 
colonies of Northmen and Portuguese, 
by R. G. Haliburton, 1884, 810 
-the Arctic coast of, overland expe¬ 
ditions to, Dr. J. Rae on, 1885, 1133 
*-- North, J. A. Lapham on the great 
lakes of, 1863, 140 
-British North, Dr. J. Hector on the 
capabilities for settlement of the cen¬ 
tral parts of, 1861, 195 
America, Central, the ruined cities of, 
Capt. Carmichael on, 1870, 16 S 
-—— Central, Capt. Brine on the ruined 
cities of, 1871, 175 
-Central, Captain Pim on an inter- 
oceanic and international transit route 
through, 1863, 143 
-- Central, E. Salmon on Captain Pirn's 
projected route through, 1863, 183 
* -North, railway routes across, and 
the physical aspects of the country, 
Lord Milton on, 1870, 172 
-- British North, A. Waddington on 
the overland route through, 1868, 141 
-Colonel Sykes on modes of banking 
in, 1866, 134 
- II. Yates Thompson on the progress 
of the metric system in the United 
Mates of, 1866, 355 
American trotter, the production and 
propagation of the, Dr. W. McMonagh 
on, 1884, 785 
-- isthmus, the exploration of the, and 
the interoceanic canal of Panama, L. 
N. B. Wyse on, 1879, 454 
--- isthmus, Gen. W. Heine on lines for 
a ship canal across the, 1870, 170 
-industries and wealth, the growth 
of, by M. G. Mulhall, 1888, 757 
--origins, Hyde Clarke on researches 
as to, 1884, 922 
-- shell-work and its affinities, Miss A. 
W. Buckland on, 1885, 1214 
-and English railways, W. P. Mar¬ 
shall on, in reference to couplings, 
buffers, and gauge, with a suggested 
improvement in couplings, 1886, S 02 
- permanent way, J. M. Wilson on, 
1884, 593 
* -- system of oil pipe lines, J. H. 
Harris on the, 1885, 1193 
Amery (F.), observations of underground 
temperature , 1870, 33 
Amiens, Henry Duckworth on a human 
cranium from, 1863, 136 
Amiurus (Siluridte), sensory nerve-sacs 
in the skin of, Prof. R. R. Wright on, 
1884, 777 
--the function of the air-bladder and 
its relation to the auditory organ in, 
Prof. R. R. Wright on, 1884, 778 
Ammen (Rear-Adm. D.), recent improve¬ 
ments in apparatus and methods for 
sounding ocean depths, 1884, 629 
Ammonia in blood, Dr. A. Garngee on 
experiments confirmatory of those of 
Kuhne on the non-existence of, 1865, 
107 
* -or its liomologues in the blood, the 
o 
presence and functions of, W. L. Scott 
on, 1865, 191 
* _ theory, Dr. B. W. Richardson on 
coagulation of the blood, a correction 
of the, 1867, 103 
