I873-: 



INDEX. 



561 



" Notes on River Basins " (review), 

 125 



OBITUARY, Drs. Liebig and 

 Bence Jones, 427 



— the Rev. Adam Sedgwick, 269 

 Object-glasses, new microscopic, 140 

 Oliver, S. P., notes on recent changes 



in British artillery materiel, 329 



— the dolmen mounds and amorpho- 



lithic monuments of Brittany, 



236 

 " Orbs Around Us " (review), 124 

 " Our Seamen : An Appeal " (review), 



245 

 Ovens, Coppee's patent coke, 536 

 " Owens College Junior Course of 



Practical Chemistry " (review), 



259 

 Ozokerit, 553 

 Ozone-generator, new, 550 



pAINTING on tin-foil, 142 



Palaeontology, 272, 543 



Palmieri, L., " The Eruption of 



Vesuvius in 1872 " (review), 247 

 Paper, materials for manufacture of, 



143 



" Papers relating to the Transit of 

 Venus in 1874" (review), 250 



Peat, 466 



Pebbles, green, of Iona, 267 



Pengelly, W., the Kent's Hole 

 Machairodus, 204 



Percylite, 265 



Petroleum, purifying, 143 



Phosphorus, removal of from pig-iron, 

 263 



Photographic printing, 143 



— prizes, 553 

 Photo-lithography, 553 



" Physical Geography" (review), 411 

 Pisani, M., dewalquite, 266 



— jeffersonite, 266 



— native amalgams of silver, 266 

 Planet Mars in 1873, 178 

 Platinum, fusion in a furnace, 415 

 Plimsoll, S., "Our Seamen: an 



Appeal" (review), 245 

 Pneumatic foundations, 417 

 Polar Sea, open, 279 

 Pole, W., the Rigi railway, 418 

 Ponton, M., actinism and magnetism, 



294 



— colours and their relations, 74 



— "Glimpses of the Future Life" 



(review), 407 



" Popular Lectures on Scientific Sub- 

 jects" (review), 395 



Potash-acetate, 423 



Powder-pressures in the first 35-ton 



gun, 267 

 Prall's water-lifting apparatus, 417 

 Priceite, a new borate of lime, 539 

 11 Principles of Animal Mechanics " 



(review), 404 

 Privat-Deschanel, A., " Elementary 



Treatise on Natural Philosophy" 



(review), 394 

 Procter, H. R., glass reading-scale 



for spectroscopes, 274 

 Proctor, R. A., changes in the 



moon's surface, 483 



— condition of the moon's surface, 



29 



— "The Moon: her Motions, Aspect, 



Scenery, and Physical Condi- 

 tions " (review), 515 



— "The Orbs around us" (review), 



124 

 the planet Mars in 1873, 178 

 Procter, W., " The Hygiene of Air 



and Water" (review), 118 

 Pucherite, 416 

 Puddling-furnace and trunk refinery, 



264 



— furnaces, lining rotatory, 133 

 Pyramid, the Great, recent researches 



at the, 273 

 " Pyramids of Egypt " (review), 511 



QUADRUMANA, fossil, 272 

 Quartz, gold from, 534 



R 



AIL, economy, 269 



Railways and their future develop- 

 ment, 153 



— relative advantages of the 5 ft. 6 in. 



gauge and of the metre gauge, 268 



— new lines of, 137 

 Rainbow, lunar, 276 



" Records of the Rocks" (review), 121 



" Report on the Filtration of River 

 Waters for the Supply of Cities " 

 (review), 532 



Resistance, maximum, to electricity, 

 280 



" Reprint of Papers on Electro- 

 statics and Magnetism " (review), 



529 



Retaining walls, 417 



Richardson, J. G., acetate of potash, 



423 



Rigi railway, 418 



Rock-drill, form of, 414 



Roscoe, H. E. "The Owens Col- 

 lege Junior Course of Practical 

 Chemistry" (review), 259 



