476 



INDEX. 



Pierard on smofcln^ beef, 37 



Plague. On destroying infection of, 70 



Planetary injiiience. On, 321 



Planl<:. " Physioloory of, 96,173,278; 



action of detached leaves of, 345 



Prehj:ite found in Gloucestershire, 461 



Plaiina, New process for purifying, 72 



Prichard on cosmogony, 111 



Prize Quesf'oiis, 141 



Races of Men. On, 4, £06 



RainJaUeii in Yorkshire, 77 



Rajie oil. To improve, 232 



Reagents, Ciiemrcai Essay on, 310 



Richardson on fiorin grass, 135 ; ou 



theories of geologists, 161 ; on the 



formation of St. Plclena and Antrim, 



246 ; on agriculture as a science, 



262 



Ridolfi's process for purifying platina, 



72 



Roads for Caniages. On, S9, 94, 96 



Roots of Plants. On, 99 



Royal Medical Society of Edinburgh, \Al 



Royal Society, 70, 38 1 , 457 



Ryan's mode of ventilating mines. On, 



437 



Safety-lamps. On, 24,36,81,189, 



196,197,286,348,451 



Salt mines of Cardona, 325 



Sap Fessels. On, 105 



Saxon mines. Account of, 386 



Scotlayid, Earthijuake in, 150, 234, 431 



Seeds of Fegelahles. On, 401 



Ship-luildmg. On, 458 



Siiotcs, Northern. On limits of, 289 



Solar Ecclipse of 19 Nov. 313, 371,440, 



442 



^rings to mcel Carriages. Advantage 



of, 86 



Stars. Alternating colours of, 598 



Steam. Accident by explosion, 75 



Steam apparatus. A quere, 390 



Steam Engines in CornwaU. Work o?j 

 74, 151,233, 313, 384,46* 

 St. H'iena. Geology of, 24(i 



Slid. Mushet on, 295 



Sti'vejistin's Snfe Lamp. On, 548 



Strength if Materials. On, 433 



Sulphate of Magnesia ami Soda, 71, 209 

 Tellurium. New ore of, 394 



Thermometric Stales On, 385 



TuJrf on Torpedo, 14,457 



Torpedo. Exper. on, 14, 457 



Trail ou salt mines of Cardona, 325 

 TrigonumHrical .Survey. On, 427 



Turkey Red. On discharging, 142 

 Ure on Sir H. Davy's safety lamp, 8t 

 l-'au Muns. Correspondence of, 144,467 

 Farnishe.^ for leather, 1.52 



yegetahles. Anatomy of, 96, 173, 278, 



40f 

 Ventilalion of Mines. On, 20,437 



rtsion. Horn on, 117 ; Pater on, 353 

 Voltaic excitement. On, 165,241,255, 



342 

 Voynees, 230, 231 



Fiilgar Fractions. On, 204 



Walker's Chemical Philos. 241, 342 

 H^lker (R.) on Solar eclipse, 442 



Watt (Dr. J.) on ventilation of mines,- 

 20 

 f-fheat, Miisly, to recover, 453 



Wheel Carriages. Exper. on, 83, 92 

 Wilsons process for discharging Tur- 

 key red, 142 

 Wine. MacCulIoch on making, 62 

 Wire-gauze lamps. On, 'J4, 36, 81, 191, 

 196, 197, -286 

 WoUaslorCs exper. on native iron of 

 Brasil, 424 

 M^olfs Steam Engine, 74, 151, 233, 

 313,384, 460 

 Writi?ig Ink improved, 145 

 Yeast. A quere, 38? 



END OF THE FORTY-EIGHTH VOLUME.. 



.' >; H-f- ■; "- In? iy 



o 



:1 L E B B I rUSIMAH. 



Piinled by R, and A. Tayior, Shoe-Lane, London, 



