INDEX. 



Hunter, Dr. S75 



Hudett alum mine described, 233 



Hutchinson, Mr. 27.3 



Huygenas Mr. on telescopes, 94 



I. 



Jlluminations from coa! gas, 73, 83 



Insects, questions and remarks concern- 

 ing methods of destroying, 324 



* Invisible Lady', the, explained, 69 — 

 Query respecting, 119 



Iron ininufacture atFroniont, some ac- 

 count of, 195 



Irritability of the nervous system, 347 



Irvine, 387 



Iserine, the fifth species of menac, de- 

 scribed, 137 



J. 



Jeetee, a strong East-India material for 

 cordage, hitherto unknown to Euro- 

 peans, 828 



Jeurat, M. his astrometer for finding the 

 rising and stilting of the stars, 32G 



Joy, Mr. 281, 290 



K. 



Kirwan, Mr. on menacane and its ores, 

 129 — On CoUini's ascent to the crater 

 of Vesuvius, 278— On manures, 361 

 364 



K'laproth, M. on menacane, &c. 129, 139 



Knight, T. A. Esq. on the inverted ac- 

 tion of the alburnous vessels of trees, 

 60 



TKnox, Mr. his account of a very sin- 

 gular and important alura-mine near 

 Glasgovtr, 233 



L. 



Lagrange, Bouillon, M. his analysis of 

 the turquoise stone, 182 



Xalande's comparison of English and 

 French measures, 160 — On the dis- 

 tance of the stars, 386 



Lampidius, M. on manacane, <S:c. 129, 

 139 



La Place, see Place 



Latch for doors, an improved, 155 



Lavoisier's calorimeter, 1G8 



Leslie, Professor, his theory 6f caloric 

 discussed, 270 



Lichen of Iceland, its utility as food, 210 



Light from coal, 73, 83 



Light and Heat Company, inquiry con.i 

 csrning, 73, 83, 308 



Lind, 387 



Little, Rev. James, on metallic compo- 

 sition for the specula of reflecting te- 

 lescopes, and the manner of casting 

 them ; also, a method of communi- 

 cating to tham any particular conoidal 

 figure: with an attempt to explain, on 

 scientific principles, the grounds of 

 each prof-ess, and occasional remarks 

 on the construction of telescopes, 

 30, 84 



Lommer, M. on the turquoise stone, 183 



Lowitz, M. 183 



M. 



M' Donnel, Dr. 288 



Mackintosh, G. Esq. 326 



Mackinto.sh, Knox and Co. their singu- 

 lar and important alum-mine, near 

 Glasgow; 2.j3 



Magnetic needle, see Compass 



Manilla hemp, the produce of the plan- 

 tain called coccinea, 232 



Marine barometer, see Barometer 



Martin, Mr. his description of the mi- 

 neral bason in South Wales, 381 



Maskelyne, Dr. 73 



Made, Dr. on turquoises, 184 



Menac, a new semi-metallic substance, 

 account of, 128 



Menacane, the fourth species of menac, 

 described, 136 



Micrometer measures, compared, 23 



Millington, Mr. his explanation of the 

 experiment called the Invisible Girl, 69 



Mills, Mr. 290, 364 



Milner, 73 



Mineral bason, see Bason 



Minium, native, discovery of, 127 



Mirrors, see Specula 



Mitchell, G. Esq. his account of a new 

 semi-metallic sub.iiance, called menu-' 

 cane, and its ores, 128 



Mitchell, 



