20 
GENERAL INDEX. 
the first reduction of the tidal observa¬ 
tions made by, by Prof. S. Haughton, 
1877, 42 
Arctic expedition, the Post-tertiary fossils 
procured in the late, with notes on 
some of the recent or living mollusca 
from the same expedition, J. Gwyn 
Jeffreys on, 1877, 72 
-- expedition, the late British, Capt. 
Feilden and C. E. De Bance on the geo¬ 
logical results of, 1878, 548 
■-expedition, the best route to attain 
a high northern latitude, or the Pole 
itself, Dr. J. Eae on, *1878, 636 ; 1885, 
1136 
-experiences at Point Barrow, Lieut. 
P. H. Ray on, 1881, 808 
--- exploration, C. R. Markham on 
North, 1865, 123 
- exploration, Rear-Admiral E. Om- 
manney on, 1865, 125 
- explorations, on the geographical 
science of, and the advantage of con¬ 
tinuing it, Capt. W. P. Snow on, 1861, 
201 
* -- explorations, recent, C. E. Mark¬ 
ham on, 1873, 172 
* -fauna, Dr. C. Lutken on some addi¬ 
tions to the, 1871, 133 
-Highlanders, C. R. Markham on the, 
1865, 90 
-^regions, the fossil flora of the, Prof. 
O. Heer on the, 1877, 72 ; *106 
- research, Commander L. A. Beau¬ 
mont on, 1879, 451 
-- research, the progress of, since the 
foundation of the British Association, 
C. R. Markham on, 1881, 743 
-shell-beds of the basement boulder 
clay, a new locality for the, on the 
Yorkshire coast, G. W. Lamplugh on, 
1889, 590 
Ardagh (Col.), the feasibility of the 
Rai'an reservoir, 1887, Soo 
Areas, the description of, a theorem relat¬ 
ing to, Prof.W.W. Johnson on, 1881, 536 
Arenaria gothica (Fries), the occurrence 
in Yorkshire of, Prof. S. P. Thompson 
on, 1890, 871 
* - norvegica, the occurrence of, in 
Yorkshire, J. G. Baker on, 1889, 618 
Arenig rocks of St. David’s, J. Hopkinson 
on the graptolites of the, 1872, 107 
-rocks, the Upper, Ramsey Island, St. 
David’s, J. Hopkinson on some grapto¬ 
lites from, 1873, 82 
-and Llandeilo rocks of St. David's, 
H. Hicks on the, 1873, 82 
-series of North Wales and the Lake 
district, notes on some sections in the, 
by Prof. T. McK. Hughes, 1886, 663 
Argentine railway, W. Wheelwright on 
the Central, from Rosario to Cordova, 
1863, 148 
Argo, nebula in, the Rev. Dr. Robinson 
on the appearance of the, as seen in 
the great Melbourne telescope, 1869, 
20 
Argyll (Duke of) on the granites and 
other rocks of Ben More, 1867, 55 
-- on the physical structure of the 
Highlands in connection with their 
geological history, 1876, 81 
Arithmetic, dual, 0. Byrne on, 1865, 6 
-J. W. L. Glaisher on the introduction 
of the decimal point into, 1873, 13 
Arithmetical division, Dr. C. M. Ingleby 
on a method of discovering remainders 
in, 1865, 7 
*-functions connected with the ellip¬ 
tic functions of ^ K, Dr. J. W. L. Glais¬ 
her on some, 1890, 745 
*——- model, Sir F. J. Bramwell on an, 
1882, 478 
Arius, Prof. W. Turner on a remarkable 
mode of gestation in an undescribed 
species of, 1866, 79 
Arizona, notes on the territory of, by Dr. 
L. Forbes, 1883, 590 
Arkansas, U.S., the origin and antiquity 
of the mounds of, Prof. J. W. Clarke 
on, 1S77, 67 
*Arlidge (J. T.) on the duration of life, 
the prevailing diseases, and the causes 
of death of potters, 1865, 135 
Arm, the comparative osteology of the, 
Dr. T. P. Durand on, 1879, 405 
^Armadillo’s teeth, C. S. Tomes on the 
development of the, 1873, 134 
Armies, English and French, Col. W. H. 
Sykes on the comparison of the organi¬ 
sation and cost in detail of the, 1863, 
162 
-E. B. Elliott on military statistics of 
certain, especially those of the United 
States, 1864, 164 
Armour-plate defences , T. Aston on rifled 
guns and projectiles adapted for attack¬ 
ing, 1862, 103 
—— plates,penetration of, with long shells 
of large capacity fired obliquely, Joseph 
Whitworth on the, 1869, 430 
- plates for ships, Dr. Eddy's sugges¬ 
tions for fastening on, 1861, 257 
-plates of steel or iron for ships of 
war, G. Bedford on corrugated, 1863, 
182 
- plating for ships, Capt. Douglas 
Galton on, 1863, 173 
Arms manufacture of Birmingham, J. D. 
Goodman on the small, 1865, 150 
Armstrong (Dr. H. E.) on alpha- and 
beta-naph thy lie sulphide, 1873, 62 ; on 
the action of sulphuric acid on ethyl- 
aniline and dimethylaniline, 62 ; on 
cresol derivatives, 63 
- on isomeric c-resols and. their deriva¬ 
tives, 1874, 73 ; 1875, 112 
