398 
GENERAL INDEX. 
heat in altering the, Prof. W. F. Barrett 
on, 1875, * 27 , 259 
Steel, nitrogen in, A. H. Allen on the 
presence of, 1879, 302 
* -- plates for boiler purposes, A. B. 
Brown on a hanging-iron and, 1876, 
219 
- produced by skidding railway 
wheels, J. Head on specimens of, 1887, 
872 
-rigidity of, Dr. J. D. Everett on the 
results of experiments on the, 1867, 153 
- shot , Copt. W. H. Noble on the pene¬ 
tration of iron plates by, 1866, 403 
-- soft, the production of, in a new 
type of fixed converter, G. Hatton on, 
1886, 593 
- for structural purposes, report on 
the use of, 1878, 157 
-- the treatment of, for the construction 
of ordnance and other purposes, Sir W. 
Armstrong on, 1882, 398 
-unmagnetisable, J. T. Bottomley on 
a specimen of almost, 1885, 903 
--unmagnetisable (manganese), Prof. 
W. F. Barrett on the physical properties 
of a nearly, 1887, 610 
- used for permanent magnets, the 
character of, W. H. Preece on, 1890, 
752 
Steenstrup (Prof.) on the flints of Pres- 
signy le Grand, 1865, 129 
Steering of screw-steamers, Prof. 0. Rey¬ 
nolds on the , 1875, 141 ; 1876, 70 
• - of vessels, report on the effect of pro¬ 
pellers on the, 1876, 66; 1877, 200 ; 
1878, 419 5 *1881, 779 
.-of screw steamers, Prof. 0. Beynolds 
on the, *1877, 218 ; 1878, 697 
--of ships, Prof. 0. Reynolds on the, 
1880, 699 
-Dr. Woolley on, 1875, 255 
Steiner, un criterium de, relatif a la 
theorie des sections coniques, M. 
Halphen sur, 1881, 532 
Stellar photography, instruments for, Sir 
H. Grubb on, 1887, 580 
- spectra, exhibition and description 
of Henry Draper memorial photographs 
of, by Prof. E. C. Pickering, 1887, 622 
- spectrometry, Padre Secchi on, 1868, 
165 
Stenhouse (Dr.) on the provision exist¬ 
ing in the United Kingdom for the 
vigor ous prosecution of physical research, 
1869, 213 
Stephanos (C.) *sur les faisceaux de 
forme biquadratique binaire ayant une 
meme Jacobienne, 1881, 534 ; *on a 
connection between homographies in a 
straight line and points in a space, 
538 ; *sur la representation des rota¬ 
tions autour d’un point par des points 
de l’espace, 547 
Stephenson (Dr. "William) on the 
scientific aspects of children’s hospitals, 
1871, 221 
Stereometry, W 7 . W. H. Gee and Dr. A. 
Harden on, 1889, 516 
Stereomicro-photographs, Chas. Heisch 
on a simple method of taking. 1862, 46 
Stereoscope, magnifying, A. Claudet on 
a, with a single lens, 1866, 23 
--modification of the, H. Swan on a, 
1863, 17 
-real-image, J. Clerk Maxwell on a. 
1867, 11 
Stereoscopic representation of the cubic 
Eikon-heptagram, Prof. J. J. Sylvester 
on Prof. Christian Wiener’s, 1869, 15 
Sterilised fluids and wool-plugs, J. Duncan 
Matthews on, 1883, 531 
Sterling (Rev. W. H.) on the natives of 
Patagonia and Terra del Fuego, 1865, 
94 
Stern (A. L.) on the action of bromine 
on the trichloride of phosphorus, 1866, 
577 
Stethographic tracings of male and female 
respiratory movements, Dr. Wilber- 
force Smith on, 1890, 981 
*Steuart (Capt. J.) on a proposed new 
arrangement of ships’ rudders, 1862,196 
Stevelly (Dr. J.) on a mode of deter¬ 
mining the velocity of sound, 1864, 20 
-on the application of D’Alembert’s 
principle to the rotation of a rigid mass, 
1865, 8 
Stevens (M.) on canals, 1886, 770 
*Stevenson (G.) on a suspended rail¬ 
way, 1877, 218 
- (H.) on the extinction of the Great 
Bustard in Norfolk and Suffolk, 1868, 
hi 
*- (James) on the civilisation of 
South-eastern Africa, 1876, 208 
- on Livingstonia: the opening up 
of the East African lake district, 1878, 
636 
-(J. C.), report on the chemical manu¬ 
factures of the northern districts, 1863, 
701 
-(Thomas) on a proposal to illuminate 
beacons and buoys, by electricity con¬ 
veyed through submarine wires con¬ 
nected with the shore, 1867, 14 
-on a paraboloidal reflector for light¬ 
houses, consisting of silver facets of 
ground glass, and on a differential 
holopliote, 1871, 37 ; on an automatic 
gauge for the discharge of water over 
waste w r eirs, 241 ; on a thermometer of 
translation for recording the daily 
changes of temperature, ib. 
Steward (Rev. C. J.) on an investigation 
of the seasonal variations of tempera¬ 
ture in lakes, rivers, and estuaries, 1888, 
326 ; 1889, 44 ; 1890, 92 
