386 
INDEX. 
Page. 
Metereolopical journal, abstract of, 157 
Micrometer.*, on the construction 
of fibres for, 10 ; on the applica- 
tion of, to small circles, 1 5 4 
Microphone, description of, 310 
Mineral production of the Himma- 
lava, 228 ; of Be ngal, 281 
Minerals, synoptical arrangement 
of, " 260 
Minerolopicnl systems, thoughts on, 255 
Moist-bulb thermometer. Dr. Hut- 
ton’s hygrometer, 46 ; theory 
of, in Hrewster’s Encyclopeedia, 
47 ; by Professor Leslie, 50 ; true 
theory of, 51 ; further explained, 
191; on the bygrometric scale 
of, 77; depression of, hyGayLus- 
sac, 77 ; law of cooling of, 78; 
maximum depressions of, 79 ; 
corrected, 80; calculated, 193; 
compared with aqueous tensions, 80 
corrected table of, 81,340 ; table 
of (argument aqueous tensions,) 
82; influence of barometer on, 49, 80 
Mont Blanc, height of, 122 
Mot, description of an improved 
one, 298 
Mott ley, Mr. his arch suspension 
bridge, 345 
Mountaineer, a, letter of, on bridges, 356' 
Murchison, R J. Esq. on the strata 
of the oolitic series, 180 
Myers, Mr. error in liis geography 
pointed out, 99 
Nepal paper, notice of, 210 
Nicollet, M. on the discrepancies of 
Mechain’s latitudes, 341 
Nitre, formation of, in plants, 11 
N. N. on the fallacy of the new in- 
vented beam, 114 
Nummulites found at Robagiri, 
180 ; in the Laour lulls, 180 
Occultations, on the prediction of, 274 
0 micron’s letter on the Wernerian 
and Huttonian theories, 328 
Once-a-planter, on the drill plough 
ofTirhut, 134 
Oolite series, strata of, remarks on, ICO 
Opium, test for, 12 
Organic remains found in the Hiru- 
malaya, 109 ; in Ava, 182 ; on 
the N. E. border of Bengal, 186 ; 
in the Burdwan coal -field, 213 
Oriani, Professor, his geodesic for- 
roulae, 153 
Overflo wing springs , 311 
Overlying rocks of India, 214, 216 
Oxyd of iron, a new, 121 
Oxvaen k.. 
fusion, 17 ; the principle of colour, 159 
P. his experiments on indigo, 13 ; 
on the hydrometric scale of the 
moist-bulb thermometer, 77 ; on 
the measure of labour in India, 
Page. 
237 ; on the analysis of Dolo- 
mite, 265 
Pachystoma, a new genus of tes- 
tacea, 372 
Panna, diamond mines of, 220 
Paper, to resist humidity, 12 ; Ne- 
pal, notice of, 210 ; writing, on 
the manufacture of, 301 
Parallax of the moon, effect of, on 
the tides, 291 
Paris, longitude of, from Greenwich, 154 
Parry, Captain, his experiments on 
sound, 150 
Patents, new, 311, 348 
Pendulum experiments, on Mount 
Cenis, 7; by Captain Sabine, 147; 
objections to, 343 
Pens, brittle, a cure for, 219 
Pentland, J. B. Esq, on organic re- 
mains in Bengal, 186 
Perielinite, a variety of felspar, 121 
Petrifying quality of the waters of 
the Irawndi, an error, 186 
Petroleum, found in Bengal, 283 
Pheniein, nature of, 14 
Phlogiston, the life of chemistry, 198 
Pic da midi, height of, 86 
Piddiugton, II. Ef-q. his analysis of 
iron ores, 295 
Plants, formation of nitre in, 11 ; 
of oxalate of lime, 11 
Platina coinage, 348 
Population of Gomcpfir, 375 
Power, new system of water, 344 
Prinsep, J. Esq. on the measure- 
ment of high temperatures, 148 ; 
on pyrometry, 149 ; abstract of 
his metereologicai register, 157 
Proceedings of Societies, 20, 59, 90, 
1 1 1 , 139, 1 73, 205, 245, 278, 241, 378 
P. T. on the tides of the river 
Hugli, 319 
Publications, new, 312, 348 
Pulse accelerated at great elevati- 
ons, 331 
Pump, rotatory, 38; Professor 
Robison’s plunger, 56, 239, 26; 
superiority of latter to ordinary 
pumps, 2/ 0 
Puzzolanas, on, 113 
Q. on the Telocity of the wind, 99 ; 
on Adie's sympiesometer, 20 1 ; his 
improvement of the syphon hy- 
drometer, 339 
Quarterly Review, mistake of, 99, 109 
Radiation of caloric as connected 
with health, 208 
Refraction lateral, 154, 155 
Resistance of fluids, new theory of, 308 
Rider, Mr. his threshing, machine, 312 
Rifle, new, with spring instead of 
lock, 347 
Rind, J. N. Esq. on the introduction 
of lithography into India, 293 
