INDEX. 



%.2 Grave, 30 



Lake, process for obtaining a durable, 



from madder, 215 

 Lalande, 301 

 Lander., Mr. 234 

 La Place, 281 

 Lavoifier, 21 — 271 

 Leblond, 301 

 Lehale, 141 

 Lemery, 47 

 Lepire, 279 

 Lichtenftein, 88 



Lime, cryftallization of in glafs, 90 

 Linens, permanent red dye for, 129 

 Lifter, Ma tin, 273 

 Loyfel, 90 



M. 



Macarty, Mr. 287 



Madder, procefTes for obtaining a durable 

 lake from, 215. — A good analyfis of, 

 wanted, 221 



Magellan's apparatus for examining grid- 

 iron pendulums, 80 



Magnefia, fulphate of, probably not hurt- 

 ful to vegetation, 240 



Magnetical pyrites, analyfis of, 265 



Magnetifm, does not vary at cnnfiderable 

 diftances from the earth, 284 



Manure, on the aflies of peat is a, 208. 

 —A good, for grafs, 239 



Marges, 137 



Margraff, 215 



Mariotte, 291 



Martin, Mr. 277 



Maftich, experiments on, 247 



Matthews, Mr. P. on fome pafTages in 

 Dr. Thoinfon's Chemiftry, with expe- 

 riments on fandaiach and maftich, 245 



M'Culloch, Mr. 249 



Mechanifm for directing aeroftatic ma- 

 chines, 301 



Mendelsflion, Mr. N. defcription of his 

 improved air-pump, 201 



Mendoza, 301 



Mercury, on its denftfy in a folid ftate, 

 253 



Metals, two new ones found in ptatlna, 

 24.— Third new one found in the 

 fame, 34. — Experiments on the electri- 

 city of, 42 



Mildew in com, on the caufe of, 225 



Milk, a memoir on, 141—257 



Miles, Dr. 1S9 



Mitchill, Dr. extract of a letter from, OS 

 a peculiar earth in wood-afhes, 240 



Model, 137 



Molyneux, Mr. 277 



Montucla, 148 



Moon, horizontal, on its enlarged ap- 

 pearance, 108 — 139. — Remarks on M«j 

 Walker's experiments on, 156 



Morozzo, C. L. on the abforption of the 

 gafes by charcoal, 12 



Mortlock, Capt. on a fimple and accural* 

 method of furveying, 103 



Muller, 41 



Munn, Mr. 222 



N. 



Newman, Mr. 22* 



Newton, Sir I, 18—145 — **77 



Nitre, its action on vegetables, 24* 



O. 



Odier, 16 



Oil, questions rehvtivc to the con>V«rfiori 



of jnimal icmains into, 303 

 — of benzoin, properties of, 89 

 Oibers, M. 30a 

 Opie, Mr. 222 

 Ofmium, a new metal obtained from pla- 



tina, 27 

 Oxide, fu'phurated, of cerium, it 



— — of zinc, native, 5 



Oxigen gas, action of charcoal on, j2.^-« 



Specific gravity cf, 20 



P. 



Palladium found in the ore of platina, 34* 



—Account of the difcovery of, 204 

 Pallas, <jueftion refpecting the planet, 302 

 Parmentier, 



