634 



Index. 



[Oct., 



N. 



National iNSTiTfTiONS for Practical 

 Scientific Research, 38. 



Natural Selection in Man, alleged 

 Failure of, 151. 



Natural Science Teaching in Schools, 

 378. 



at the Universities, 497. 



Naval Architects, Proceedings of Insti- 

 tution of, 135. 



Nebula, the, around rj Argils, 257. 



New British Plant, 100. 



Seaweed, 100. 



Minerals, 131, 450, 556. 



Net's Electrical Apparatus, 151. 



Nicholson on Graptolites, 120. 



Nitrogen, Levy on Preparation of, 272. 



different Degrees of Oxidation of, 



274. 



Norwich, Discovery of Mammalian 

 Eemains at, 435. 



O. 



Oblique Leaves, 2G6. 

 Odling on Chemical Changes of Car- 

 bon (Review), 405. 

 Ogham on Roovesmore Fort and Stones 



at Aglish, 89. 

 Oils, Mineral, 457. 



Older Rocks, the, of South Devon, 124. 

 Oleographs, Moifatt on, 276. 

 Olive Oil, Tests for Adulteration of, 



275. 

 Opals, Crookes on Spectrum of, 464, 



481. 

 Opium, Culture of, 266. 

 Opposition of the Planet Mars, 93, 262. 

 Ordeal Poison Nut of Madagascar, 100. 



Poison (A&ican), the Akasga, 266. 



Organs of Taste in Man, 571. 

 Original Articles : — 



The Ethereal Hypothesis of Tiight. 



By James Samuelsnn, Editor, 1. 



The Alkaline Lakes of California. 



By J. Arthur PhilHps, 14. 

 Experimental Reseaiches on the 

 Mechanical Properties of Iron 

 and Steel. By \Vm. Fairbairn, 

 LL.D., F R.S., 21. 

 The Treasures of Siluria, 28. 

 On National Institutions for Prac- 

 tical Scientific Research. By 

 Lieut.-Col. Strange, F.K.S., and 

 Dr. Mann, F.R.A.S., 38. 

 The Great Solar Eclipse of Aug. 

 18, 1868. By Wm. Crookes, 

 F.R.S., 50. 

 The Scientific Year, 72. 

 The Malay Archipelago, IG.'i. 



Original Articles — contimwd. 



The Projected Mersey Tunnel and 



Railway. By Sir Chas. Fox, 801. 

 Vesuvius, 188. 

 Tlie Artificial Production of Ice 



and Cold. By Dr. B. H. Paul, 



197. 

 On some recent Spectroscopic Re- 

 searches. By Wm. Hugging, 



F.R.S., 209. 

 The Future Water-supply of Lon- 

 don. By C. W. Heaton, F.C.S., 



225. 

 The Sea-weeds of Yar-Connaught 



and their Uses. By G. H. Kina- 



han, M.R.I.A., 331. 

 The Laiubetli Observatory. By 



Dr. R. J. Mann, 342. 

 On a Ternary Geological Classifi- 

 cation. By E. Hull, F.R.S., 353. 

 The Transit of Venus in 1874. 



By R. A. Proctor, F.R.A.S., 370. 

 On the Teachiug of Natural Science 



in Schools. By Edwin Lankes- 



ter. F.R.S., 378. 

 The Pre-historic Antiquities of and 



aronud Lough Gur. By Prof. 



Harkness, F.R.S., 388. 

 On the Spectral Phenomena of 



Opals. By W. Crookes, F.R.S., 



481. 

 Coal-washing. By F. C. Danvers, 



M.S.E., 487. 

 On the Teaching of Natural Science 



at the Uaiver.-iities, 497. 

 On the Mineralogical Resources of 



Ireland, 500. 

 Oser on Production of Alkaloids in 



Sugar Feimentations, 276. 

 Owen on Fossil Reptilia, 289. 



Human Remains in Cave of 



Bruniquel, 510. 

 Oxygen, Mallett on Preparation, 104. 



P. 



Pacific Railroad, the, 537. 

 Palfcoiitograpliical Society, Publications 



of, 288. 

 Palsecmtology, Chronicles of, 177, 268. 



438, 542. 

 Parkes and Frankland on Action of 



Water on Lead, 275. 

 Pail, Dr., on the Artificial Production 



of Ice and Odd, 196. 

 -^— on Phosphorus in Malleable Iron, 



281. 

 Pengelly on Kent's Cavern, 599. 

 Periodic Comets, the, 97. 

 Peukin, W. H., on Action of Chloride of 



Lime on Aniline, 279. 

 Petrological Works, New, 136. 



