INDEX Il. 
209 
Soleil’s (H.) tenebroscope, for illus- | Sun, R. S. Browne on the relative dis- 
trating the invisibility of light, ex- 
hibited and described by the Abbé 
Moigno, 14. 
Somme and Ouse, R. A. C. Godwin- 
Austen on the alluvial. accumulation 
in the valleys of the, 68. 
Sopwith (T.) on a section of the strata 
rom Hownes Gill to Cross Fell, 88. 
Sorby (H. C.) on models illustrating | 
contortions in mica-schist and slate, 
88. 
Specific gravity of liquid and solid sub- 
stances, Dr. Otto Richter on the che- 
mical and physical principles in con- 
nexion with the, 54. 
Spectral analysis, Prof. Pliicker on, 
15. 
Spence (James), novel method of cover- 
ing boilers, pipes, and cylinders of | 
steam-engines for preventing the ra- 
diation of heat, 187. 
Sperm whale, C. W. Peach on the oc- 
currence of the, near Wick, N. B., 106. 
Stainton (H. T.) on the generic charac- 
ters furnished by the different modes 
of mining leaves adopted by the larvee 
of Microlepidoptera, 106. 
Star chromatoscope, A. Claudet on the, 5. 
Star 95 Herculis, Prof. Piazzi Smyth on 
the changing of colour of the, 10. 
Steam-engines, C.'l. Porter on Richards’s 
indicator for, 178. 
—, W. Smith on a novel arrangement 
of direct-acting, 186 ;. on a novel me- 
thod of covering boilers, pipes, and 
cylinders of, for preventing the radia- 
tion of heat, 187. 
Steam-hammers, John Sturgeon on self- 
acting valve-motion for, 189. 
Steel or iron for ships of war, description 
of corrugated, by George Bedford, 182. 
Stewart (Balfour) on sun-spots and their 
ccnnexion with planetary configura- 
tions, 11; on the comparison of the 
curves afforded by self-recording mag- 
netographs at Kewand Lisbon, for July 
1863, 25. 
Stockton, John Hogg on the fossil teeth 
of a horse found in the red clay at, 70. 
*Sturgeon (John) on self-acting valve- 
motion for steam-hammers, 189. 
Substances, Dr. Otto Richter on the 
chemical and physical principles in 
connexion with the specific gravity of 
liquid and solid, 54. 
Sulphur, Prof. D. T. Ansted on a de- 
osit of, in Corfu, 64. 
ts) ee acid, T. Tate on the elasticity 
of the vapour of, 17. 
186 
tances of the planets from the, 5. 
Sun-spots and their connexion with pla- 
netary configurations, B. Stewart on, 11. 
Sun’s rays, Dr. T. L. Phipson on a new 
method of measuring the chemical ac- 
tion of the, 50. 
Sun’s surface, and the currents in its 
atmosphere, J. J. Murphy on the dis- 
tribution of heat on the, 9. 
Swamy (Mutu Coomara) on the ethno-— 
logy of Ceylon, referring especially to 
itsSingalese and Tamilinhabitants, 146, 
Swan (H.) on a new kind of miniature 
possessing apparent solidity by means 
of a combination of prisms, 17. 
Swan (J. W.) on amercurial air-pump, 26. 
Swinbourne (R. W.) on glass, 55. 
Sykes (Colonel), comparison of the or- 
ganization and cost in detail of the 
English and French armies for 1863- 
64, 163. 
Sylvester (Prof.) on the quantity and 
centre of gravity of figures given in 
perspective, or homography, 2. 
Symbols, mathematical, W. H. L. Rus- 
sell on a certain class of, 1. 
Symons (G. J.), description of the ex- 
perimental seriesjofrain-guages erected 
_at Calne, 26. 
Symons (W.) on a new marine and 
mountain barometer, 27; on a maxi- 
mum thermometer with a new index, 
27; on a new form of gas-battery, 56. 
Syren, W. Ladd on a new form of, 14. 
Syrrhaptes paradoxus, A. Newton on the 
ruption of, 105. 
Tanning trade of Newcastle-upon-Tyne, 
T.C. Angus on the statistics of the, 161. 
Tate (George) description of a sea-star, 
Cribellites carbonarius, from the moun- 
tain-limestone formation of Northum- 
berland, with a notice of its association 
with carboniferous plants, 88. 
Tate (T.) on the elasticity of the vapour 
of sulphuric acid, 17. 
Taylorson (R.) on the diagonal principle 
of iron shipbuilding, 189. 
Telegraph, D. E. Hughes on a printing, 18. 
, W. Cook on Bonelli’s printing, 18. 
Telegraphic facsimiles produced by Ca- 
selli’s method, 20. 
Telescope, spirit-level, Admiral Sir E. 
Belcher on a, for observing altitudes 
and obtaining latitudes independently 
of natural or artificial horizons, 170. 
Tenebroscope, M. Soleil’s, exhibited and 
described by the Abbé Moigno, 14. 
Thallium, J. L, Bell on, 34. 
14 
