INDEX. 



449 



Phosphorescence of wounds, remarks on, 180— and of luminous 

 insects, 181, 182 



Pictet (Professor) thoughts by, on voltaic electricity, 183, 184 



Pitchstone, observations on the formation and varieties of, 41-50 



synopsis of its varieties, 51 — simple pitchstone, i6id.— por- 



phyritic, 52 — concretionary spheroidal pearlstone, 52, 53 

 amygdaloidal, containing imbedded nodules of another mi- 

 neral, 53 



Plants, observations on the distribution of, 338, 339 — impres- 

 sions of taken by Lithography, 405 



Platinum, process for procuring pure platinum, palladium, rho- 

 dium, iridium, and osmium, from the ores of, 246-256— re- 

 marks thereon, 256-262— on the oxide of, with gold, 412 



Police (Pharmaco-legale), severity of, 331 



Preservation of milk, directions for, 406— of cauliflowers, 406 

 — and of fresco-painting, ibid. 407 



Prize Questions, by the Society of Apothecaries at Paris, 179, 

 180— by the Academic Society of Nantes, 190— by the So- 

 ciety of Sciences and Arts at Menlz, 405— by the Royal Aca- 

 demy of Sciences of Toulouse, 405— by the Academical So- 

 ciety of the Lower Loire, 430— by the Royal Society of 

 Medicine at Marseilles, 430 



Propagation of heat, laws of, 180 



Prussic Acid, salivation and ulceration of the gums produced 

 by, 428 



Publications {\!iev/), select lists of, 195-433 



Quinine, process for obtaining, 325-327— its use in intermit- 

 tent fevers, 327 



Ramsden's dividing engine, report on the present state of, 381- 

 388 



liana, on the urinary organs and urmc ot two species ot, 

 130, 131 



Rein-deer, successfully brought to England, 427 



Rele Mucosum o( the ^egro, observations on, 125, 126 



Rey's Essays on the calcination of metals, &c., translated, 54-64, 

 294-299 



Ridolji (.Marquess), notice of the improvement of WouUe's ap- 

 paratus, by, 179 



Hive (M. de la), notice of electro-magnetic instruments, ni- 

 vented by, 184, 185 



Royal Society of London, proceedings of, 119, 300-305— plan 

 for re-uniting undur it the various existing scientific socie- 

 ties of London, 122, 123— analysis of the Transactions of the 

 Royal Society, 125-136, 363-380— list of its council and 

 officers, 304 



Vol. Xll. 2 II 



