INDEX. 



387 



Lecount, Mr. on the teeth of wheels, 3 JO. 

 Light produced during crystallization, 



3C!!. 

 Liquids, 071 the application cf their ex- 

 pansive power to produce a recipro- 

 cal rectilinear motion, 101. 

 Lithion-Mica, analysis of, 261. 

 Lycll, Charles, Esq. on a dike of serpen- 

 tine cutting through sandstone, 112. 

 MacCulloch, Dr, on a detached block of 

 stone occupying the summit of a hill 

 at Dunkeld, 40. 

 Macvicar, Rev. Mr, on a meteorological 



phenomenon, 312. 

 Magnetic forces, on the effect of rotation 



on the, 135. 

 Marcct, M., on the effect of poisons on 



plants, 293. 

 Megalosaurus, a nondescript fossil ani- 

 mal, 143. 

 Menai bridge near Bangor, 185. 

 Menobranchus lateralis, 339. 

 Metals, on the cold produced by the com- 

 bination of, 181. 

 Meteorological instruments, which re- 

 gister their indications during absence, 

 251. 

 Meteorological table kept at Canaan Cot- 

 tage, 192, 384. 

 Mica from Cornwall, analysis of, 137- 

 Micas, analysis of those containing lithia, 



264. 

 Mines, school of in Cornwall proposed, 



183. 

 Mirage, on vertical and lateral, 13. 

 Moll, Professor, his description of Blan- 



ken's fan-gate sluices, 95. 

 Moller, M.,on the locality of acmite, 326. 

 Moon, her action on our atmosphere, 

 368— eclipse of the, on the 31st May, 

 368. 

 Mummy, remarkable dissection of a fe- 

 male one, 185. 

 Nordenskiold, M., on some of the zinc 



ores, 310. 

 Odometer, account of an improved one, 



44. 

 Oil for Chronometers, 351. 

 Oil gas, account of an explosion of in 



Edinburgh, 83. 

 Olmsted, Professor, on the gold mines of 



North Carolina, 358. 

 Orang-Outang, on an enormous one found 



in Sumatra, 144. 

 Oswald, H. R., on the fossil elk of the 



Isle of Man, 28. 

 Oxalate of lime, on the electricity of, 370. 

 Paint, on a coarse one made with pota- 

 toes, 345. 

 Paramatta, longitude and latitude of, 308. 

 Patents, list of English ones since Octo. 



bcr 7, 182 1 ., 188, 3/0— List of Scottish 

 ones since March 7, 1825, 189, 379. 

 Pearls, on the artificial production ot, 



187- 

 Pcctic, or coagulating acid, 182. 

 Phosphate of yttria, 327- 

 Photometer, observations on Leslie's, 



104. 

 Plants, how affected by poison, 293. 

 Plesiosaurus, a new fossil genus of rep- 

 tiles, 143. 

 Poison, on the effects of, on plants, 293. 

 Polymignite, a new mineral, 329. 

 Pastorffon solar spots and clouds, 176. 

 Psychrometer for registering the lowest 



temperature, 253. 

 Pump, a breathing one described, 150. 

 Rainbows, supernumerary, in 1824, 55. 



, Lunar, in 1824, 56. 

 Ramage, Mr John, on a stickleback 

 found alive in the intestines of a leech, 

 74. 

 Refraction, lateral, 178. 

 Refrigerating salt, 182. 

 Reptiles, on new genera of, 339. 

 Retina, on some remarkable affections of, 



289. 

 Retina, on the limits of in the Sepia loli- 



go, 193. 

 Ritchie, Mr, his observations on Leslie's 



photometer, 104. 

 Royal Society of Edinburgh, proceedings 



of, 175. 

 Rousseau, his botanical letters to M. 



Gouan, 245. 

 Sabine, Captain, on the gulf-stream, 270 

 — on the depression of the horizon, 

 274. 

 Sandstone, on its artificial formation, 1. 

 Saturn, occultation of, 383. 

 Say's American entomology, 184. 

 Serpentine, on a dike of, cutting through 

 sandstone, 112 — on a remarkable oc- 

 currence of in the Tyrol, 120. 

 Shiells, Mr, his triangle for elevating thi 



jet of fire-engines, 149. 

 Sluices, on fan-gate ones, 95. 

 Sluice, on a single valve one, 154 — on a 

 chain one, 195 — on a single weather 

 one, 343. 

 Smith, >>ir J. E. his English Flora ana 



lyzed, 159. 

 Smoke, method of consuming, 347- 

 Snakes in New Holland, rapid effects of 



their poison, 1 15. 

 Societies, philosophical, proceedings ot, 



175. 

 Solar spots and clouds, 176, 

 South, Mr, on double stars, 281. 

 Specific gravitie ■ >( minerals, list oi the, 

 241. " 



