604 
Notes, Numerical Values of, 340. 
Nottingham, Science School at, 147. 
Novara Expedition, 245. 
O. 
Ogham Monuments, 548. 
Ores of Great Britain, Iron, 31. 
Organic Chemistry, 27, 569. 
Remains in ‘Amber, List of the 
Principal Works on, 184. 
Remains in Silurian Rocks, 199. 
Organisms, Deep-sea, 529. 
ORIGINAL ARTICLES :— 
On an Extraneous Meat Supply. 
By J. Samuelson, 1. 
On the Mechanical Properties of 
Tron and Steel. By W. Fairbairn, 
F.RS., 10. 
On Experiments for Ascertaining 
the Temperature of the Earth’s 
Crust. By E. Hull, F.B.S,, 
E.GS., 14. 
The Past and Present of Chemistry. 
ao Dr. Kopp, of Heidelberg, 
The Tron Ores of Great Britain. 
By R. Hunt, F.R.S., 31. 
On Medical Science ; its Recent 
Progress and Present Condition, 
39. Faraday, 50. 
How Science is fostered by the 
State, 139. 
Nitro-glycerine ; 
new Industrial Agent. 
Mayer, F.C.S., 149. 
Ransom’s Patent Concrete Stone. 
By F. C. Danvers, A.LC.E., 
M.S.E., 160. 
Amber; its Origin and History, as 
illustrated by the Geology of 
Samland. By Dr. Zaddach, of 
Konigsberg, 167. 
Sir John Herschel and Modern As- 
tronomy, 186. 
Siluria, 196. 
Darwin and Pangenesis, 295. 
Gold in California. By J. A. Phil- 
lips, 314. 
On the Colour-patterns of Butter- 
flies. By the Rev. H. H. Higgins, 
M.A., 323. 
On Musical Seales. By Sir J. F. 
W. Herschel, Bart., F.R.S., &c., 
338. 
On the Measurement of the Lumi- 
nous Intensity of Light. By W. 
Crookes, F.R.S., 353. 
Description of the Great Southern 
Telescope. By William Crookes, 
E.RS., 447. 
its Claims as a 
By J. 
Index. 
[ Oct., 
ORIGINAL ARTICLES—continued. 
On the Post-tertiary Beds of Nor- 
way and Scotland. By the Rey. 
Henry W. Crosskey, F.G.S., 461. 
On the Iron-Pyrites Mines of Anda- 
lucia. By A. H. Green, M.A., 
F.G.S., 468. E 
Artificial Irrigation, 479. 
Origin of Species, 295, 302. 
Orion, Nebula in, 379. 
Osmosis, 336. 
Outlines of Astronomy, 189, 191. 
Ovary and Pistil, 564. 
Oxalic Acid, Reduction of Carbonic Acid 
to, 282. 
Oxygen, Cheap, 386. 
lee 
Pacific Islands, Antiquities of the, 546. 
Paleeontographical Society’s Volume for 
1867, 574. 
Palestine, Exploration Fund, 89, 240. 
Fauna of, 428. 
Paugrave, Mr. W. G., 
Tribes, 539. 
Pancreas, Digestion by the, 121. 
Pangenesis, Darwin and, 295, 505, 527. 
Parasites of Sea-cucumbers, 592. 
Parliamentary Committee, 139, 149. 
Past and Present Condition of Chemis- 
on Turkish 
try, 21. 
Payments on Results, 140. 
Preacu, Mr., on Fossil Fishes from 
Cornwall, 521. 
Pearl-fishing, 430. 
PENGELLY, Mr., on the Bones in Kent's 
Cavern, 525. 
Pfahlbauten in Meklenburg, 208. 
Pues, Mr. J. A., on Gold in Cali- 
fornia, 314. 
Philology versus Craniology, 370. 
Philosophy, Deductive, of. Faraday, 54. 
Pholas-burrows, 575. 
Photography, 588. 
Photometers, 353, 355, 359. 
Physical Science, Modern Aspects of, 
329. 
Physics, 110, 260, 420, 586. 
Physiological Action of the Methyl 
Series, 531. 
Physiology, 119, 593. 
Spectroscope in, 593, 
Piedmont, Meteorites in, 557, 584. 
Tertiary Flora of, 93. 
Piers, 235. 
Pistil and Ovary, 564. 
Planetary Nebula, 378. 
Plants, Action of Electricity on, 221. 
Polar Expedition, Proposed, 243, 403. 
