INDEX. 



393 



PAGB j 



Insulation, telegraphic improvements 

 In, 



Iodine as an antidote for poisons, 261 j 



" distribution of in the mineral, 

 animal and vegetable kingdoms, 293 



Irradiation, on, 

 Iridium. new application of, 

 Iron coffer dam, 55 



" dilution oi cast iron by successive 



heatings, 58 



" for ship building, 59 



" improvements in the manufacture 



of. 67 



" malleable castings, 67 



" ships, variation of compass in, 150 



" spikes, covered with copper, 63 



" value of, 60 



Lakes, American, dimensions of, 323 



Lamps, safety, improvement in, 94 



LAVENDER <fc LOWE, improvements in 



paper making, 114 



Lead and tin pipe, strength of, 61 



" mines of Wisconsin, 329 



Lecture rooms, construction of, 208 



Lemon juice, analysis of the ash of, 285 

 Lens, stereoscopic cosmoramic, 192 



Life and its physical aspects, 350 



Light, colored impressions produced by 



the chemical action of, 205 



Lightning by electricity, 142 



conductors, arrangement of, 142 

 Limestones, artificial silicification of, 260 

 Lime, phosphate, value of in nutrition, 275 

 LIVINGSTON'S discoveries in South Afri- 

 ca, 380 

 Locomotives, anthracite coal for, 42 

 ' new mode of adjusting 



valves of, 47 



Looms, for weaving bags, 80 



Mai-tin's improved Jacquard, 79 



Lubricating materials, ItiO 



Lunar volcanic craters, 307 



Madder, American, 283 



" cultivation and use of, 283 



Magnet, variation of, 150 



Magnetism of rocks, 149 



views on the origin of, 146 



Marrow, spinal, experiments on, 363 



Maryland coal fields, 316 



Mastodon, remains of, 333 



MAURY, LIEUT., on the construction of 



the submarine Atlantic Telegraph, 161 

 Meat as food, relative value of the dif- 

 ferent kinds of, 274 

 Meat, experiments on the preservation 



of. 279 



Mediterranean, color of the water of, 199 

 Men with tails, 353 



" vs. apes, 35o 



Mercury, animal production of, 328, 324 



Metals 'annual production and increase 



of. 324 



Metals, fatigue and fracture of, 57 



" stereotype, composition of, 60 



' extraction of by means of the 



battery, 230 



Meteorological register, self-regulating, 1^2 

 Meteoric stones, origin of, 335 



Meters, water, construction of, 54 



Microscope, cheap, 186 



Milk, solidified, 268 



Missouri, U. S. frigate, removal of the 



wreck of, 52 



Models, gigantic clay, 122 



Mortising machine, new, 84 



Motion, improvements in communicat- 

 ing rotary, 52 

 Motion rotary, certain phenomena of, 181 

 Mushrooms, production of, 346 

 Murexide as a coloring matter for wool, 289 

 Nature doing her own engraving, 204 



17* 



127 



279 

 279 

 200 

 340 



99 

 98 



192 

 127 

 2-24 

 296 



81 

 104 



114 

 114 

 115 



105 

 108 

 98 

 103 

 114 



PAGE 



Navigation, improvemen ts In, 25 



NEWBERKT, Dr. J. S., 



Niam-Niams, or men with tails, 



Niello-galvano-plastic, 



Nitric acid in rain water, 



Nitrogen, absorption of, 



Ocean, transparency of, 



Oidiuin Tuckeri. or grape malady, 



Oil, improvement in the preparation of, 



" paraffine, manufacture of, 



of cinnamon, artificial production of, 296 



Oily matters, new method of treating, 99 



Ohio, carboniferous flora of, 316 



Optical phenomena, curious, 



Organ, great, at Liverpool, 



Osmotic force, 



Ozone, 



Paint brushes, nevr method of manu- 

 facturing, 



Paper and paper making, 

 " imported and exported from the 

 United States from 1838 to 1850. 107 



Paper, India as a source of materials for, 110 

 from cow-dung, 116 



" peat, 



" southern cane, 

 11 wood, 



manufacture of in the United 

 States, 



Taper making, new materials for, 



Paraffine oil, manufacture of, 



Paving, improvements in, 



Peat, paper from. 



Pendulum, interesting experiments with 178 

 " investigation into the theory of 177 



Phosphorus, formation of vessels of gold 

 bv means of, 238 



Phosphorus, on the so called amorphous, 262 



Photography, improvements in, 201 



Photographic impressions, daily, of the 

 sun's disk, 



Photographic pictures, vitrification of, 



Photometer, Habinet's new, 



Pins and needles, new process for whiten- 

 ing. 



Pipe, lead and tin, strength of compared, 



Planer, Mellen's circular, 



Planets, new, discovered in 1854, 

 the smaller, 



Plants, influence of solar radiations on, 



POKY, M. ANDRES, on the hail storms of 

 Cuba, 378 



Poisons, iodine as an antidote for, 261 



Potatoes, experiments in raising, 345 



Potato and grape disease, origin of, 342 



PRATT'S ditch digger, 78 



Pressure, effect of on the temperature of 

 fusion of (fift'erent substances, 175 



Pressure, influence of upon the forma- 

 tion of chemical compounds, 



Prizes offered by the French Academy, 



Price of scents, 



Printing from Nature, 



Propeller, screw, application of to ships 

 of war, 



Propeller, Venetian screw, 



Putrefaction, influence of air on, 



Quicksilver deposits of California, 



Rags imported into the United States 

 during the years 1851 and 1852, 



Railroads and railroad locomotion, 



Railroad track, improved, 

 wheels, oblique, 



Reapers, trials of, 



Red drapery, effect of, 



KEED, WILLIAM, suspension bridge, 



Keeling topsails, new plan lor, 



Ret'ractometer, hew, 

 Register, self-regulating meteorological, 

 Registration by photography, 

 Respiration, artificial, 



203 

 203 

 193 



68 

 61 



85 

 373 

 376 

 338 



297 

 15 

 98 



124 



33 

 32 



249 

 328 



106 



39 



40 



41 



104 



197 



51 



33 



187 



192 



202 



104 



