4. ‘ 7 P 
Powell, Prof. Baden, on Rotatory mo- 
tion, 393. 
Presents in 1851—4, see Monthly 
Meetings. 
RAIN-DRops, Impressions of, 50. 
Rawlinson, Col., on Cuneiform In- 
scriptions at Babylon and Nineveh, 
84, 
Richardson’s Life-boat, 221. 
Rotation of Earth shewn by the pen- 
dulum, 70. 
Rotatory motion, phenomena of, 393. 
Roxburgh, Dr., on the Cartesian Ba- 
rometer, 426. 
Russell, John Scott, Esq., on Wave- 
line ships and vachts, 115. 
—on English ships and American 
clippers, 210. 
SABINE, on atmospheric magnetism, 
238. 
Sap, rise of, 197. 
Savart’s researches, 447. 
Schénbein’s Ozone, 94. 
— experiments on variations of the 
colour of bodies, 400. 
Schroétter’s amorphous phosphorus, 
135. 
Schwabe’s observations of spots on the 
sun, 237. 
Shepherd’s Electro-magnetic Clocks, 
109. 
Ships and Yachts, English and Ame- 
rican, 115, 210. 
Shippard, Captain W. H., on, Central 
America and the Ship-Canal, 75. 
Sidney, Rev. Edwin, on the rise of 
the Sap in the spring, 197. 
Silica, its use in the arts, 422. 
Spheroidal state of liquids, 179. 
Solar spots, observations of, 237. 
Statham’s arrangement of Electric 
Telegraph wire for experimental 
purposes, 346; his fuze, 347, 355. 
Stevenson, Mr., on Aurore Boreales, 
274. 
INDEX. 
Stokes, Professor, on the Refrangibility 
of Light, 259. 
Suggestion, its influence on Movement, 
147. 
Sulphur, its allotropic modifications, 
202; and melting points, 449. 
TAyYtor, Rev. W.,F.R.S., on Educa- 
ting the Blind, 290. 
Teeth, structure and homologies of, 
365. 
Time, Geological, 287, 428. 
Tyndall, John, Esq., on the influence 
of Material Aggregation upon the 
manifestations of Force, 254. 
— on the Eruptive phenomena of Ice- 
land, 329. 
— elected Professor of Natural Phi- 
losophy, 339. 
—on the vibration and tones pro- 
duced by the contact of bodies 
having different temperatures, 356. 
— on the motion of liquids, 446. 
VENTILATION by the parlour fire, 
76. 
Voluntary Movement, physiology of, 
Bimal. 
Warp, Dr. S. H., on the growth of 
plants in closely glazed cases, 407. 
Wave-line Ships and Yachts, 115, 
210. 
Wealden formation, fauna and flora of, 
141. 
Williamson, Prof. on Etherification, 
90. 
— on the Anhydrous Acids, 239. 
Wilson, John, Esq., on Ploughs and 
Ploughing, 265. 
Wines, acidity, sweetness, and strength 
of, 381; treatment of, 303. 
Youne’s Paraffine, 135. 
VAs T-V ri 
EL lace tbs 
London: Printed by W. Nicol, 60, Pall Mall. 
Po ie ‘eSo, 
