INDEX. 



lantern, fly, account of the, v f S81 

 Lapis nnnimouaris, description of the, 



ii, 459 

 Laplace, astronomical observations of, 



i, 141 



Upland, remarkable lake in, iii, 171 

 Lark, natural history of the, v, 632 

 Latham, Mr. on the earthquake at Lis- 

 hoii, ii, 35 ; on an atmospherical re- 

 fraction, iv, 514 

 latitudes and longitudes, invention of, 



i, 297 

 Laurel mountains, in North America, 



ii, 432 

 La uro cerasus, poisonous quality of 



the, v, 246 



Lara, extraordinary flood of, i, 369; 

 observations on, 373 ; a river of, 

 4 16; iron in, 5 1 2 ; various kinds of,52 1 

 Lavoisier, memoir of, i, 5, note 

 Latcdoor waterfall, described, iii, 261 

 Lawrence, description of the river St. 



iii, 41 



Lai/well spring, account of, iii, 85 

 Lead, found in Ireland, ii, 323 

 Leadenhall-street, Roman pavement 



found in, ii, 266 

 Lead hills in Scotland, ii, 323 

 Lead mines in Derbyshire, phsenome- 

 non in, ii, 46; in Louisiana, account 

 of it, 3 14 



Lead tree, how to make the, vi, 327 

 Leather, description of mountain,ii,39 1 

 Lrtand, his observation on Wales,ii, 127 

 Lrtnnos, labyrinth of, vi, 477 

 Lestwithiel church, injured by light- 

 ning, iv, 324 



Letters found in a tree, v, 314 

 origin of, vi, 351 



Leitck, account of the baths of, iii, 165 

 Leyden, agitation of waters at, ii, 58 

 Libanus" mount, description of, ii, 425 

 Lichens, observations on, v, 35 

 Lidford waterfall, account of, iii, 222 

 Liyantfiin river, source of the, iii, 66 

 Light, on zodiacal, i, 93 ; of the stars, 



137 ; on the velocity of, 189 

 Light-houses, account of, vi, 528 

 Lightning, on the cause and effects of, 

 ii, 1") ; used in blasting rocks, S81 ; 

 on the electricity of, iv, 300 ; drawn 

 from the clouds, 306 ; how to secure 

 buildings from, 308 ; strange effects 

 f, 312 361 



Lights in the air, iv, 40O ; remarkable 



red, 416; various metcorous, 4*7; 



uses of gas, vi, 88 



Lima, destruction of the city of, ii, 7, 8 

 Lime stone, nature of, ii, 279 

 Lime water, uses of, iii, 189 

 Lincolnshire, fossil remains found in, 



ii, 166; Roman antiquities in, 217 ; 



water spout in, iv, 269 

 Linen, ink for marking, vi, 396 

 LinnfEus, his system of plants, v, 17; 



brSclassification of animals, 327 

 Lion's hill, at the Cape of Good Hope, 



ii, 430 

 Lipari islands, volcanoes in, i, 435; 



water spout seen near, iv, 266 

 Liquorice plant described, v, 142 

 Lisbon, account of the earthquake at, 



ii, 31 



Literature, arts connected with, vi, 328 

 Lithography, or stone engraving, art 



of, ii, 444 



Loadstone, observations on the, i, 228 

 Lobster, natural history of the, v, 480 

 Loch Leven, account of, iii, 245 



Lomond, description of, iii, 268 



Ness, description of, iii, 218, 272 



Tay, agitation of, iii, 287 



Locust, natural history of the, v, 384 

 Logarithms, invention of, i, 30 

 Loggan stones, account of, vi, 505 

 Logwood, use* of, v, 289 

 Loire, course of the river, iii, 27 

 London, stars visible at, i, 203 ; mean 



temperature at, iv, 79 

 Longevity, instances of, iii, 271 

 Longitude, on the invention of, i, 297 ; 



on the difference of, 308 

 Lough Lene in Ireland described, iii,21 

 Lough Neagh, the scenery of, iii, 246, 



274 



Louisiana, lead mines in, ii, 314, 317 

 Lucia, St. volcanic remains at, i, 491 

 Lucretius on Etna, i, 405 ; on the Nile, 



iii, 16; on hot springs, 140; on mag- 

 netism, iv, 32 1 



Lucrine lake described, iii, 56 

 Ludgevan, Cornwall, storm at, iv, 321 

 Lnlty, Raymond, his doctrine, vi, 9 

 Lumen Boreale, observations on the, 



iv, 414 

 Luminous arches, account of, iv, 421 ; 



exhalations, iv, 501 



