INDEX. 



Lambert, Mr. 4 



i-ambton, Brigade Major W. his ac- 

 count of the measurement of an arc 

 o€ the meridian on the coast of Co- 

 romandel, and the lengtli of a degree 

 deduced therefrom, in the latitude of 

 12" 32', 40 



Lampadius, Professor, his analysis of 

 the schist that accompanies the me- 

 nelite near Paris, 155 

 Laskey, Capt on the pinna ingens of 

 Pennant, 238 



Lava, crystallized substances found in, 

 176, 242 



Laverriere, M. 96 



Lavoisier, M. his analysis of the -vfater 

 of the Dead Sea, inaccurate, 27, 32 



Lectures at the Middlesex Hosphal for 

 the eniuing winter, 159 



Lemaitre, M. on a calcareous mountain 

 near Chessy, in the department of the 

 Rhone, G2 — On a singular arrange- 

 ment of strata observed in the chain 

 of Jura, in the department of Doubs, 

 64 



Lemon juice, purification of, 382 



Lievre, M. Le, his description and ana- 

 lysis of a new mineral substance, 

 called yenite, 139 



Life-preserver, described, 281 



Lightning, observations on, 81 



Linne's " Hortus ClifFortianus," 56 



Loureiro, M. 56 



Lunar atmosphere, calculation of the 

 rate of expansion of, 117 



M. 



Maclaurin on gravitation, 208 



Macquer, M. 26 



Malpighi's notion of the spleen, 576 



Manures, 99 



Marat on the velocity of lightning, 82 



Marcet, Dr. Alex, his analysis of the 

 water of the Dead Sea, and the ri- 

 ver Jordan, 23 



Margueron, M. his memoir on the r»- 

 ciprocal action of several volatile oils, 

 and certain saline substances, 145 



Martin, Mr. John, on the apparent ra- 

 diation and reflection of cold by means 

 of two concave metallic mirrors, 341 



Marum, Van, ^27 



Marzari, Count, 252 



Maskelyne, Dr. N. on a newjproperty 

 of the tangents of three arches tri- 

 secting the circumference of a circle, 

 340 



Mathew, Mr. Daniel Dering, on im- 

 provements in chronometers, 224 



Medical lectures, 159 



Meridian, measurement of an arc of, 

 on the Coroniandel coast, 40 



Jrleteorological journal for May, 159— 

 for June. 240— for July, 320 



Ttleteorological table for 1807, 239 



Meteors, see Atmospheric phenomena 



Melherie, M. D» la, 104 



Michaelis, Mr. on the fetid resin of 

 sulphur, 238, 317 



Middleton, Mr. John, his machine for 

 printing paper hangings, described, 

 21 



Miller on the culture of apple-trees, 51 

 — Of the tuberose, 58 



Mineralogical queries, 78 



Mineralogy, 158 



Minuti, F. 56 



Molybdena, experiments on, 121, 188, 



253 

 Moon, supposed atmosphere of, 117 

 Montague, Cul. George, on several sub- 

 jects of natural history, o\S 

 Mudge, Mr. his scapemeut for time- 

 pieces, 225 

 Mule cucumber, 221 



Napion, M. on native gold dust, 269 

 Neill, Mr. P. on the ri-h«»s, natives of 



the waters near Edinburgh, 319 

 Newton, Sir 1. deficieni:y in his re- 

 searches on the figures of graviuting 

 bodies, 208 



Nicholson, 



