INDEX. 415 



Lightning, accident by, 1 83 



Lightning tubes, artificial, 199 



Lignite and oolite resting upon chalk in Bessarabia, 388 



Luminousness of the ocean, 329 



Lusus naturse, singular cases of, 98 



Lunar rays, Mr Watt's experiments on, 122 



Mahratta country, Dr Christie's account of the, 292 



Malays, Lingga the primitive residence of the, 196 



Magnetic equator, motions of the, 190 



Magnetic needle, disturbed by the polar lights, 388 



McKonochie, Capt. Alex., his remarks on the most effectual employment 

 of steam power in maintaining a ferry, 60 



Mediterranean, Mr Black's sketcli of its climate, 243 



Menteath, James Stewart, Esq., his sketch of the geology of Nithsdale, 45 



Megatherium, bones of it found in Georgia, 325 



Meteor of a green colour, 390 



Meteorology, notices in, 183, 387 



Microscopical observations on the pollen of plants, 358 



on fresh-water mussels, 404 



Milne, David, Esq. his account of the slip of a mass of strata in Berwick- 

 shire, 275 account of his essay on comets, 343 



Mineral waters in Germany, analysis of, 391 



Mineralogy, notices in, 192, 384 



Moll, G. Von, his remarks on the velocity of sound, 154 



Mollusca, Dr Johnston's remarks on Dr Fleming's, 74 



Moon, connection of its phases with rainy days, 317 



Murray, Dr P., his account of fossil plants occurring near Scarborough, 31 1 



Natural Philosophy, notices in, 188, 386 



Nicol, W. Esq. his observations on fluids contained in crystallised mine- 

 rals, 94 



Nutritive substance transported by the wind, 402. 



Ocean, luminousness of the, 329 



Organic bodies, their influence on inorganic, 384 



Parry, Captain, Mr Scoresby's examination of his recent expedition, 22 

 Patents, English, from 1st February to 19th April, 205 — from 26th April 



to 22d July, 410 

 Scotch, from 23d February to 19th May, 208— -from 20th June 



to 5th August, 412 

 Phosphorescence of the sea, 393 

 Plants, temperature of, 204 



PinuB, Mr Douglas's description of a new species of, 400 

 Poisoning, Dr Vemiere's method of treating cases of, 353 

 Pole, North, Mr Scoresby's remarks on the probability of reaching the, 22 

 Pollen of vegetables, the existence of animalcules in it denied, 299 

 Population of England, 406 

 Potash, method of detecting its presence, 191 

 Prognostics of the weather, 387 

 Pulse, eflfects of rarified air upon the, 389 



