INDEX. 



&c.— New hypothefis refpe&ing their 

 origin, 6 



Meuimer, General, T15 



Mexico, tongituue of, accurately determin- 

 ed, 297 



Mildew In corn, 147.— Docs not arife 

 from an external caufe, 148 



Milk, memoir on, by M. Thcnard, 2 18 



Mineral preparations, how far pernicious 

 to the health of thofe employed, and 

 to the neighbourhood, IZ7 



Mineralogical expedition to Greenland 

 propofed, 299 



Molard, 124 



Monge, 224 



M„->m, Van, information by, refpeeting 

 cerufe, 143. — On the prevention of 

 putrefaction, 144 



Morning Chionicle, extract from, giving 

 an account of the eruption of Vefuvius, 

 222 



Mud walls of Indoftan, 313 



Muriatic acid, compofition of, 58 



Murray's experiments on fluids, 134 



M.ufquet barrels burft by a charge of gun- 

 powder confined by fand, 40 



Mufical inftrument, new, 142 



N. 



Namur, cylindrical bellows of, 52 



Napion, 277 



Newton, Sir Ifaac, 7, 112 



Niccolanum, fee Nickeline 



Nicholfon's experiments on fluids, 134, 



Nickel, on, 75. — Malleable and magnetic, 



77, 78. — External charter, ib. — 

 Specific gravity, ib, — A ncble metal, 



78, 80. — Its magnetic property weak- 

 ened by copper, and destroyed by arfenic, 

 79.— Action of acids on, ib.— Beft 

 mode of forcing from iron, ib.— Oxide 

 of, 80.-— Precipitates, ib. , 



Nickeline, a newly difcovered metal, 261. 

 •—Experiments on, ib. 



Noithmore, Mr. T. on the effects . 

 take place in gaics, when compielTed, 

 36S 



Oakley, Mr. 149 



Occultation of the pleiades by the moon* 



of it fcorpio, and of the comet in 1793, 



297 

 O.bers, Dr< 293 

 Oughtred, 225 

 Oxigen and hydrogen may unite by pref- 



fure, 212 

 Oxigen gas more productive of carbonic 



acid, in refpiration, than atmofpheric 



air, 254 



Pacchioni, Dr. on the compofition of 

 muriatic acid, 58 



Pallas, Dr. 133 



Pape, the Rev. D. his improvement of 

 Rye Harbour, 245 



Paper manufactories, 124 



Peele, Mr. on muriatic acid, 59 



Pelletier's apparatus for obtaining car- 

 bonate of potafh, 274 



Pennant, Mr. extract of a letter from 

 relative to the non-exiftence of Welch 

 Indians in America, 190 



Peterhead, in want of a public library, 

 268 



Pfaff, Profeflbr, his new experiments on 

 refpiration, 249 



Piazzi, Mr. 293 



Pictet on the occultation of the pleiade* 

 by the moon, 297 



Pignotti, Sig. Lorenzo, 58 



Piracy of books puniihed, 301 



Piron, Mr. on the temperature of the fesr, 

 220 



Plowman, T. Efq. his improved Sheep- 

 fold, 191 



P. M's quotation of a defcription of fire- 

 woiks unknown in Europe, 273 



Porcelain 



