4J-S 



Index, 



Marcel de Serres, M. on the uses of the 

 dorsal vessel in insects, 34. 



Meerschaum, absorption of gases bv, 

 24S. 



Meteor, account of, 465. 



Meteorological table, 79, 159, 239,318, 

 399, 473. 



Mines of Cornwall and Devon, eco- 

 nomy of, 58. 



Montague, George, Esq. death of, 77. 



Mother-of-pearl, optical phenomena of, 

 135. 



Mountains, formation of, explained, 

 411. 



Mouths of fishes, 228. 



Moyle, Mr. on valves, 305. 



Murray, Dr. John, analysis, by, of 

 the mineral waters of Dunblane and 

 Pitcaithly, 256, 347— his method of 

 preventing explosions in coal-mines, 

 471. 



N. 



Nautical Almanac for 1815, defects of, 



394. 

 Nerves, influence of, on the action of 



the arteries, 139. 

 New curve, 154. 

 Nickel-antimonerz, 154. 

 Nomenclature, chemical, on, 232. 



Philip, Dr. A. P. Wilson, experi- 

 ments, by, to determine on what the 

 action of the heart depends, 221. 



Philips, Mr. Milliam, description of 

 the crystals of oxide of tin, by, 59. 



Philosophical Transactions for 1814, 

 part ii. 134— for 1815, part i. 219. 



Pitcaithly, mineral water of, anal \ zed, 

 256. 



Plymouth, weather in, for six months, 

 366. 



Polar ice, account of, 142. 



Polarization of light by reflection from 

 transparent bodies, 222. 



Potassium, easier mode of obtaining, 

 139. 



Pressure, effects of, in producing that 

 species of crystallization which 

 forms two oppositely polarized 

 images, 221. 



Prevost, M. on the equilibrium of 

 radiant heat, 379. 



Prichard, Dr. J. C. on the older floetz 

 strata of England, 20 — geological 

 observations on North Wales, by, 

 363. 



Prnut, Dr. on the analysis of organic 

 substances, 269. 



Prussic acid, nature of, 468. 



O. 



Quartz rock, on, S3. 



Office, proposal to establish one in 



Newcastle to register every thing 



respecting the collieries, 388. 

 Organic impressions on flint explained, 



58. 

 — substances, on the analysis of, 



269. 

 Osmium, memoir on, 433. 

 Orthoceratite in marble, 152; 

 Ouzel, water, or dipper, new ipecies 



of, 142. 

 Oxide of tin, crystals of, described, 



59. 

 Oxygen gas, specific gravity of, 321. 

 Oxymuriatic acid, bleaching by, on the 



history of, 422. 



P. 



Parmentier, M. biographical account 

 of, 161. 



Parry, Dr. on the cause of the pulsa- 

 tion of the arteries, 66. 



Patents, list of, 156, 237, 316, 397. 



Petit-Tbouars, M. du, observations, 

 by, on plants, 149. 



R. 



Radiant heat, on the equilibrium of, 

 379. 



Radiatrix, 154. 



Red head, mineralogy of, 142. 



Red sand-stone formation, described, 

 13. 



Refraction, atmospherical, observa- 

 tions on, 135. 



Relation between the specific gravity 

 of bodies in their gaseous state and 

 the weight of their atoms, 32. 



Rents, essay on, 43, 213, 411. 



Roget, Dr. on a new instrument for 

 performing mechanically the involu- 

 tion and evolution of numbers, 220. 



Rome, ancient, number of inhabitants 

 in, 75. 



Rona, island of, structure of, 60. 



Koyal Geological Society of Cornwall, 

 466. 



Medical Society of Edinburgh, 



prize by, for 1816, 70. 



• Society, meetings of, 66, 453. 



Rum, island of, structure of, 60. 



