CONTENTS. 405. 
Mercury (fulminating) results of experiments on, 153—157 
Metallic Surfaces, observations on some phenomena relating to the 
formation of dew on, 1—12 
Metals, experiments on the property which some metals possess of 
facilitating the comination of elastic fluids, 138, 139 
Meteorological Diary for December 1823, and January and Feb- 
ruary 1824, 187. For March, April, and May, 398 
Metzger (M.) improvements by, in the construction of electrical 
machines, 161, 162 
Microscopes, observations on the indistinctness of vision caused in, 
by false lights ; and on the remedies for it, 202—209. On the 
adaptation of a compound microscope, to act as a dynameter for 
telescopes, 367—369 
Milzinsky (Count,) account of an undescribed lava, which preys 
on snails, 176—178. 
Mineral Waters, presence of iodine discovered in, 180 
Minerals (new,) found in Mount Vesuvius, 180 
Mitra, description of several pieces of, 34—38 
Mole and Van Beck(Drs.) experiments by, on the velocity of sand, 266 
Morphia, detection of, in cases of poisoning, 118 
Morphium, test for, 170 
Muriatic Acid, existence of free, in the stomach, 181 
Nails,experiments on the adhesion of, when driven into different 
kinds of wood, 360 
Natural History, Miscellaneous Intelligence in, 175—183, 392— 
397 
Nautical Eye-tube, notice of, 153 
Needle (horizontal and dipping,) observations on the daily varia- 
tion of, 128, 129 
Nervous System, recent discoveries relative to, 143, 144 
Nickel, experiments on the oxides of, 140 
Olbers (Dr.) remarks on the catalogue of the orbits of the comets, 
that have hitherto been computed, 85—96. 
Opium, effects of the solutions of, when injected into an hysterical 
patient, 145—146. ’ 
Optic Nerves, observations on semi-decussation of, 259—261. 
Optical Instruments, on the indistinctness of vision caused on, by 
false lights, and remedies for it, 17—28, 202—209 
Ornithorhynchus Paradoxus, some particulars respecting, 247—250 
Oxide of uranium, preparation of, 136, 382. Of nickel, experi- 
ments on, 140 
Parallax of « Lyre, remarks on, 264, 265 
Phenomena, relating to the formation of dew on metallic surfaces, 
observations on, 1—12 
Phillips(Mr.) on the detection of arsenic in various cases of poison- 
ing, 167. Analysis of his translation of the London Pharmaco- 
peia, with remarks, 349—359 
