Page:Proceedings of the Royal Society of London Vol 4.djvu/519

Rh Singapore, magnetic observations at, 382.

Skin, on the special function of the, 445.

, a newly discovered parasitic ani- malcule of the, 455.

Smee (A.) on the ferrosesquicyanuret of potassium, 239.

— on the structure of normal and

adventitious bone, 198.

on the reduction of metals from

solutions of their salts by the voltaic circuit, 447.

Smith (Sir W. Sydney), notice of the late, 264.

Smyth (Capt.), his retirement from the office of foreign secretary, 172.

Soane (Sir John), notice of the late, 16.

Sodium, electro-chemical equivalents of, 232.

Solar spectrum, visibility of certain rays beyond the ordinary red rays of the, 146.

, chemical action of the rays of

the, on preparations of silver, &c., 205 ; chemical analysis of the, 207 ; of the whitening power of the se- veral rays under the influence of hydriodic salts, 208 ; analysis of the chemical rays by absorbent media, 209 ; on the distribution of the ca- lorific rays in the, 209.

— —, theory of the dark bands formed in, 211.

, action of the rays of the, on ve- getable colours, 208, 393, 397.

Somerville (Mrs.), a bust of, by Chan- trey, in the possession of the Royal Society, 402.

Southampton, on the tides at, 445.

Spaniolitmine, 234.

Spark, electric, 51.

Spectrum, solar, on the visibility of rays beyond the ordinary red rays of, 146.

— calorific, account of a process for rendering it visible, 209.

— — ; prismatic, extension of the visi- ble, 207; phenomena of dark bands crossing the, 211.

Speculum of a reflecting telescope, on the, 238.

Spermatozoa observed within the mam-

miferous ovum, 432. Spiral, logarithmic, the form affected

by the opercula of turbinated shells

and by these shells, 80,

Spleen, on the structure and functions of the, 164.

, on the general and minute struc- ture of the, 456.

Sponge {Spongilla fluviatilis), the ac- tion of light upon the colour of, 72.

Springs, intermitting, on, 43.

Stark (Dr. J.) on the nerves, 434.

on the supposed development of

the animal tissues from cells, 468.

Steam, solubihty of silica by, 232.

Steam-wave, on the, 372.

Steel, strength of pillars of, 228.

Steneosaurus, remains of, discovered in Tilgate Forest, 290.

Stereoscope, an instrument for the in- vestigation of the phenomena of bi- nocular vision, 77.

Strength of pillars of cast-iron^ &c., 227.

Sturm (M.), a Copley medal awarded to, 256.

Sugar, not constituted of carbon and water only, 150.

Sulivan (Lieut, B. J.), observations of the dip and intensity, made at sea between Falmouth and the Falkland Islands, 212.

Sulphur, inductive capacity of, 41,100.

Sulphuric acid, on its relative attrac- tions for water, 81.

, on the manufacture of, 81.

Sun's atmosphere, indications of an absorbent action in the, 208.

Suppuration, on, 67.

Sussex (Dukeof),his Royal Highness's address read at Anniversary Meet- ing, Nov. 30, 1837, 5.

— —, address on the occasion of Her Majesty inscribing her name in the Charter Book as Patroness of the Royal Society, 6, 69, 88.

, address read at Anniversary

Meeting, Nov. 30, 1838, on his re- tirement from the office of Presi- dent, 86.

— —, the cordial thanks of the Society presented to, 99. , portrait of, in the possession of the Royal Society. , address of condolence to Her Majesty on the demise of, 254.

Swan (J.), physiological inferences de- rived from human and comparative anatomy respecting the origin of the nerves, &c. 472.

Sykes (Lt,-Col.), remarks on the me-