GENERAL INDEX 
123 
^Dynamometers in absolute measure, 
Prof. R. S. Ball on, 1873, 44 
* -Prof. 0. Reynolds on certain, 1877, 
217 
Dynamos, the proper proportions of resist¬ 
ance in the working coils, the electro¬ 
magnets, and the external circuits of, 
Prof. Sir Wm. Thomson on, 1881, 528 
* -the equations of, Prof. S. P. Thomp¬ 
son on, 1884, 655 
* -some points in, Prof. S. P. Thomp¬ 
son on, 1884, 894 
Eads, Mr. James B., the works now in 
course of execution for improving the 
navigation of one of the mouths of the 
Mississippi, under the direction of, 
Capt. D. Galton on, 1877, 202 
* -(Capt. J. B.), observations on the 
improvements of the Mississippi River 
and on the proposed ship railway across 
the Isthmus of Tehuantepec, Mexico, 
1881, 774 
Eagles, John Hogg on the Roman im¬ 
perial and crested, 1863, 104 
Ear of Amphibia, development of the 
columella in the, Prof. T. H. Huxley 
on the, 1874 ,141 
* -the physiognomy of the, Dr. Simms 
on, 1875, 178 
* - physiology of the semicircular 
canals of the, Prof. Crum Brown 011 
some points in the, 1874, 138 
- termination of the nerves in the 
vestibule and semicircular canals of 
mammals, Dr. U. Pritchard on the, 
1876, 156 
Earle (Rev. J.) on the ethnography of 
Scotland, 1875, 172 
Earnshaw (Rev. S.) on etherspheres as 
a vera causa of natural philosophy, 
1879, 248 
* -on a theorem relating to the trans¬ 
formation of series, 1879, 291 
-on the integral of Laplace’s equa¬ 
tion in finite terms, 1880, 486 
Ears, the function of the two, in the 
perception of space, Prof. S. P. Thomp¬ 
son on, 1881, 716 {see ‘ Binaural ’) 
Earth, age of the, J. Croll on the tidal 
retardation argument for the, 1876, 88 
- currents, magnetic disturbances and, 
Prof. W. G. Adamson , 1881, 463 
- currents, Prof. Matteucci on electri¬ 
cal, 1866, 463 
-- currents, E. O. Walker on, 1884, 
655 
-eccentricity of the, and the preces¬ 
sion of the equinoxes, a diagram of the, 
illustrating their relation to geological 
climate and the rate of organic change, 
A. R. Wallace on, 1870, 89 
* - the eccentricity of the, and the 
method of finding the co-ordinates of 
its centre of gravity, W. Ogilby on, 
1862, 17 
Earth, extrication of carbonic acid from 
the interior of the, Dr. Daubeny on the 
cause of the, 1864, 52 
-figure of the, W. H. L. Russell on 
the calculation of the potential of the, 
1865, 8 
-movements, the effects produced by, 
on pre-Cambrian and Lower Palaeozoic 
rocks in some sections in Wales and 
Shropshire, Dr. H. Hicks on, 1890, 804 
* -nebular origin of the, G. J. Stoney 
on the confirmation of the, 1874, 22 
- physical condition of the, in the 
earlier epochs of its history. Rev. 
James Brodie on the, 1863, 67 
* -- secular cooling and figure of the, 
Prof. Clifford on the, 1871, 34 
--interior of the, the limits of hypo¬ 
theses regarding the physical proper¬ 
ties of the matter of the, Prof. II. 
Hennessy on, 1878, 485 
- the interior of the, some recent 
investigations into the condition of, 
Prof. E. W. Claypole on, 1888, 669 
-- internal heat of the, Dr. Julius 
Schvarcz on the, 1867, 158 
* - physics of the internal, Dr. 
Vaughan on the, 1874, 22 , 95 
-rotation of the, influence of the, on 
the apparent path of a heavy particle, 
Prof. Price on the, 1861, 6 
- rotational period of the, and the 
revolution period of the moon deduced 
from the nebular hypothesis of Laplace, 
notes upon the, by W. E. Stanley, 1885, 
9i5 
- tremors, report on the advisability 
and possibility of establishing in other 
parts of the country observations upon 
the prevalence of, similar to those now 
being made in JDurham, 1888, 522 
^Earth’s axis, Rev. Prof. Haughtonon the, 
1878, 548 
-climate, some future and past 
changes in the, R. A. Peacock on, 1870, 
82 
-crust, W. Fairbairn on the tempera¬ 
ture of the, as exhibited by thermo- 
metrical returns obtained during the 
sinking of the deep mine at Dukinfield, 
1861, 53 
-magnetic field, the measurement of 
the intensity of the horizontal compo¬ 
nent of, T. Gray on, 1885, 898 
-magnetic force, John Allan Broun 
on the supposed connection between 
meteorological phenomena and the 
variations of the, 1861, 49 
- orbit, eccentricity of the, and the 
moon’s mean motion in longitude. 
Rev. Dr. E. Hincks on the relationship 
between the variation of the, 1863, 6 
