426 INDEX. 
Okesy Mr J. on some fossil remains of the beaver in Cambridge- 
shire, 185. 
Oosima, volcano of, 351. 
Oxy muriate of lime, SI 4. ' 
P 
Pansner on the fall of the Wolga, 408. 
Paraselene, account of one seen at Liverpool, 402. 
Paris, Dr, on a new vegetable principle, 387. 
Parky correspondence between him and Mr Maxwell, i02, 205. 
Patents, list of, granted in Scotland, 204, 
Peacock, Rev. G. on a new observatory at Cambridge, 1 90. 
Pearson, Rev. W. on a new prismatic micrometer, 1 S9i J 90. 
Pelletier and Caventou, MM. on Brucine, 303. 
Pendulum, on the length of the,’27. 
Perkins, Fairman and HeatKs invention for perpetuating engravings 
on steel, 140. 
Perkins on the compressibility of water, 196'* 
Perspective, isometrical, 184, 
Peschier, M. on the red snow of Mount St Bernard, 307- 
Pelrif actions, new works on, 410. 
Physical strength of men, remarks on, I96. 
Pitcairn’s Island, account of the inhabitants of, 380. 
Plants, account of some rare ones presented to the Botanic Garden of 
Edinburgh, 114. 
Plants that are confounded with animals, account of, 414 — Ditto, on 
the nocturnal fragrance of, 415. 
Platinum, alloy of, with steel, 311. 
Potocki, John, on the Archipelago of, 253. 
Pyrites, cubic, analyses of, 313 — Id, Magnetic, 31 3.’— Id. Sesquisnlphu- 
ret, 313. — Nitrosulphuret, 313. 
Pyrolignous acid, on the antiseptic powers of, 21. 
Pyrchuric acid, analysis of, 313. 
Pyro-uratc of lime, 318. 
R 
Ramsaf Mr W. on the antiseptic power of the pyrolignous acid, 21. 
Randa, destruction of the village of, 274. 
Red snow of Mount St Bernai’d, 307- 
Ref raction, double, account of Huygens’ theory of, 148, 277* 
Reid, Dr Thomas, on the family of Sir Isaac Newton, 293. 
Retina, on the fluctuating sensibility of, 92. 
Rhodium, alloy of, with steel, 311. 
Robison, Mr John, on Mr Watt’s flexible water-main, 60. 
Rock-crystal, on the double refraction of, 285. 
Rosin, analysis of, 200. 
Royal Society of Edinburgh, proceedings of the, 181, 595. 
Rutherford, Dr Daniel, biographical notice of, 183. 
