INDEX. 
LOCHEAD (WILLIAM), observations on the natu- 
ral history of Guiana. P. C. iv. 41. 
LOCH TAY, account ofa remarkable agitation of the 
waters of, P. C. i. 200. 
LOCHURR, account of the island and castle of. H. iii. 4. 
LOGARITHMS, new series for the computation of. 
vi. 269. 
LOTHIAN, D.D. (WILLIAM), biographical account 
of. H. i. 47. 
MACKAY, LL.D. (ANDREW), on the latitude and 
longitude of Aberdeen. P. C. iv. 185. 
MACKENZIE (SIR GEORGE), on the combustion 
of the diamond. H. v. 11. 
an account of some geological facts observed 
in the Faroe Islands. viii. 213. 
on the formation of chalcedony. x. 82. 
notice respecting the vertebrae of a whale, 
found in a bed of bluish clay near Dingwall. x. 105. 
MACKENZIE (HENRY), account of the German 
theatre. L. C. ii. 154, 
MACLAURIN (PROFESSOR JOHN), a dissertation 
to prove that Troy was not taken by the Greeks. 
L. C. i. 43. 
MACONOCHIE (ALAN), essay on the origin and 
structure of the European legislatures. L. C.i. 3. 
and 135. 
MACVICAR (REV. JOHN), observations on the 
germination of the filices. x. 268. 
MAGNESIA, account of the native hydrate of, dis- 
covered by Dr Hibbert in Shetland. ix. 239. 
MAGNET, experiments in which an electric spark 
was elicited from a natural. xii. 197. 
MAGNETIC FORCES, experimental inquiries con- 
cerning the laws of. xi. 277. 
MAGNETIC INTENSITY, observations made in 
Scotland on the distribution of the. xii. 1. 
on the investigation of, by the oscillations of 
the horizontal needle. xiii. 1. 
MAGNETIMETER, description of a, being a new in- 
strument for measuring magnetic attractions, and 
finding the dip of the needle. ix, 243, 
MANGANESE, mineralogical account of the ores of. 
xi. 119. 
chemical examination of the oxides of. xi. 148. 
MANN (ABBE’), concerning the Chartreuse of Perth. 
H. vy. 25. 
MARSH POISON, on the nature and history of the. 
ix. 278. 
METALS, on the sulphuretting of metals. H. iv. 27. 
notice regarding some experiments in the vi- 
bration of heated. xi. 137. 
experimental researches regarding certain vi- 
brations which take place between metallic masses 
having different temperatures. xii. 429, 
METEOROLOGICAL ABSTRACT for the years 
1794, 1795, and 1796. P. C. iv. 218. 
——— for the years 1797, 1798, and 1799. v. 193, 
621 
METEOROLOGICAL JOURNAL, results of a, kept 
at Carlisle during twenty-four years. xi. 418. 
METEOROLOGICAL INSTRUMENTS, on the con- 
struction of, which determine the indications during 
absence. x, 887. 
MILLER OF GLENLEE, BART., (THE RIGHT 
HON. SIR THOMAS), biographical account of. H. 
ii.63, 
MINERAL, account of a, from Orkney. ix, 81. 
descriptions and analysis of a, from Fare. 
xiii. 46. 
on the existence of two new fluids in the ca- 
vities of. x. 1. 
on the refractive power and other properties 
of the two new fluids in. x. 407. 
account of the constituents of various. ix. 244. 
——— description and analysis of some. xi. 441. 
MINERAL SPECIES, on the parasitic formation of. 
xi. 73. 
MINERAL WATERS, analysis of the, of Cromlix, 
near Dunblane, and of Pitcaithly. viii. 445. 
a general formula for the analysis of. vill. 259. 
MONRO (DR ALEX.), description of a human male 
monster. P. C. iii, 215. 
experiments relating to animal electricity. 
P. C, iii. 281, 
observations on the muscles. P. C. iii. 250. 
MONRO (DONALD), method of making the otter of 
roses, as it is prepared in the Hast Indies, P. C. ii. 12. 
MONSTER, descriptionof ahumanmale. P. C. iii. 215. 
MOON, improved method of correcting the observed 
distance of the, from the sun or a fixedstar. P.C.i.191. 
account ofa singularhalo of the. P.C. iv. 174. 
MUDARINE, on, the active principle of the bark of 
the root of the calotropis mudarii. xi. 433. 
MUMPS, account of a distemper by the common 
people in England vulgarly called the mumps, 
P. C. ii. 59. 
MURIATE OF SODA, on the optical properties of, 
viii. 157. + 
MURIATIC ACID GAS, experiments on the relation 
between, and chlorine. viii. 329. 
experiments on. viii. 287. 
MURRAY (HUGH), on the ancient geography of 
Central and Eastern Asia. viii. 171. 
MURRAY (DR JOHN), analysis of the mineral 
waters of Cromlix, near Dunblane, and of Pitcaithly. 
vili. 445. 
observations on the fire-damp of coal mines. 
viii. 31. 
on the diffusion of heat at the surface of the 
earth. vii. 411. 
an analysis of sea water. viii. 205. 
a general formula for the analysis of mineral 
waters. viii. 259. 
experiments on muriatic acid gas, and on some 
subjects of chemical theory. viii. 287. 
MUSCLES, observations on the. P. C. iii. 250. 
