420 
GENERAL INDEX. 
machines, 1884, 655 ; *some points in 
dynamo-electric machines, 894 
Thompson (Prof. S. P.) on a new polar - 
iser devised by Mr. Ahrens, 1885, 912 ; 
on a simple modification of the Nicol 
prism giving wider angle of field, ib. 
- on electrolysis in its physical and 
chemical bearings, 1886, 308 ; 1887, 336 ; 
1888, 339 ; 1889, 223 ; 1890, 138 
-on the electric resistance of mag¬ 
netite, 1886, 314 ; on the cutting of 
polarising prisms, 520 
-on the ratio of the two elasticities 
of air, 1887, 581 ; twin-prisms for 
polarimeters, 585 ; *on the electro- 
deposition of alloys, 590 ; *on the in¬ 
dustrial electro-deposition of platinum, 
ib. 
——- *on a phenomenon in the electro¬ 
chemical solution of metals, 1889, 512 ; 
*on sparkless electro-magnets, 515 
-on the use of fluor spar in optical 
instruments, 1890, 759 ; on the sources 
of the River Aire, 821 ; on the occur¬ 
rence in Yorkshire of Arenaria gothica 
(Fries), 871 
-and Dr. 0. J. Lodge on unilateral 
conductivity in tourmaline crystals, 
1878, 495 
- (Thomas), report on tidal observa¬ 
tions on the Humber, 1862, 101 ; 1863, 
129 
*Thoms (P. H.) on community of lan¬ 
guage and uniformity of notation, 
weights, measures, and coinage, 1867, 
146 
Thomson (Prof. Allen), exhibition of 
microscopical preparations, 1867, 104 
- Address to the Biological Section, 
1871, 114 
- on science-lectures and organisation, 
1873, 495 , 507 
*-on two skulls from the Andaman 
Islands, 1876, 169 
- Presidential Address at Plymouth, 
1877, lxviii. 
-on photographs of representations 
of vascular injection by Prof. Dantscher, 
of Innsbruck, 1877, 114 
-- on some points in the osteology of 
an infantile Gorilla skeleton, 1878, 597 ; 
on the aberrant form of the sacrum 
connected with Naegele’s obliquely 
contracted pelvis, 605 
-and Dr. Young on the contents of 
the Cumbrae tumulus, 1870, 155 
- (Dr. Andrew) and Prof. T. Car- 
nelley on the solubility of isomeric 
organic compounds, 1887, 647 
-(Prof. A. W.) on the determination 
of the heliographic latitude and longi¬ 
tude of sun-spots, 1885, 931 
-(B. EL), notes on the fauna of the 
Louisiade and d’Entrecasteaux islands, 
1889, 615 ; on the exploration of the 
Louisiade and d’Entrecasteaux islands, 
668 
Thomson (G. H.) on mechanical patho¬ 
logy considered in its relation to bridge 
design, 1888, 793 
- (Prof. James) on the gauging of 
mater by triangular notches, 1861, 151 
- on the disintegration of stones 
exposed in buildings and otherwise to 
atmospheric influence, 1862, 35 
-—— on the origin of the jointed pris¬ 
matic structure in Basalts and other 
Igneous rocks. 1863, 89 ; *1874, 93 ' 
*1876, 96 
—— on the rate of increase of underground 
temperature , 1868, 510 ; 1869, 176 
. speculations on the continuity of 
the fluid state of matter, and on the 
relations between the gaseous, the 
liquid, and the solid states, 1871, 30 ; 
observations on water in frost rising 
against gravity rather than freezing in 
the pores of moist earth, 34 
■ - on relations between the gaseous, 
the liquid, and the solid states of 
matter, 1872, 24 ; on atmospheric re¬ 
fraction of inclined rays, and on the 
path of a level ray, 41 
-Address to the Mechanical Section, 
1874, 212 
- improved investigations on the flow 
of mater th rough orifices, with objections 
to the modes of treatment commonly 
adopted , 1876, 243 
--on a theorem in the mensuration of 
certain solids, 1876, 30 ; experimental 
illustration of the origin of windings 
of rivers in alluvial plains, 31 ; on 
metric units of force, energy, and 
power, larger than those on the centi¬ 
metre-gram-second system, 32 ; *011 
ridgy structure in coal, with suggestions 
for accounting for its origin, 96 
- on instruments for measuring the 
speed of ships, 1878, 219 ; 1879, 210 
-on the flow of water in uniform 
regime in rivers and in open channels 
generally, 1878, 434 ; on dimensional 
equations, and on some verbal expres¬ 
sions in numerical science, 451 
--mention of an example of an early 
stage of metamorphic change in Old 
Red Sandstone Conglomerate, near 
Aberfoil, 1882, 536 ; on features in 
Glacial markings, noticed on Sandstone 
Conglomerates at Skelmorlie and Aber¬ 
foil, 537 
- on whirlwinds and waterspouts, 
1884, 641 
- on the endurance of metals under re¬ 
peated and varying stresses, and the 
proper morbing stresses on railway 
bridges, §c., 1886, 2 S 4 ; 1887, 424 
