418 
INDEX, 
Murio-sulphate of magnesia and iron, its optical structure, 2. — its 
chemical composition, according to Mr Phillips, 3. 
Murray , Mr John, account of his improved apparatus for restoring 
the action of the lungs, 53 .— his new shower-bath, 122. — his 
method of communicating with the shore in shipwrecks, 124. — 
on the solution of phosphorus in sulpliuret of carbon, 222. 
N 
Naphtha, springs of Badku, 22.— of Pegu, 2 6. 
Nepaul , on the plants of, 280. 
Nickel, sulphate of, on the optical structure of the, 6. — on the che- 
mical composition of the, 7« 
Nightingale, notices relating to the, 225. 
Nitrate of Strontian, on the optical structure of, 4. 
Nitrite of Lead, optical structure of, 7* 
Nostoch communis, notice respecting, 408. 
O 
Obliquity of the ecliptic, as deduced from Pappus, 15. — on the dimi- 
nution of the, 42. — tables for finding the true obliquity, 43, 44. 
Occultations of the Pleiades in 1820 and 1821, 71- — of Jupiter by the 
Moon, 78* 
Offerhaus, Colonel, his electro-magnetic apparatus, 352. 
P 
Pappus, on a passage in the mathematical collections of, 1 5. 
Paralytic affection cured by lightning, 407* 
Paraselence seen in the Arctic Regions, 204. 
Parhelia seen in the Arctic Regions, 205. 
Parry, Captain, abstract of his journal of a voyage to discover the 
North-west Passage, in 1819 — 20, 177* 
Patents, list of, in Scotland, since 23d January 1821, 235, 411. 
Pegu, naphtha wells in, 26. 
Pendulum, account of experiments with the, at Winter Harbour, 207. 
Perkins, Mr, on a method of fastening the seams of hose for fire- 
engines, &c. 123. 
Phillips, Mr R. on the chemical composition of the murio- sulphate 
of magnesia and iron, 3. 
Phormium tenax, or New Zealand flax, 341. 
Phosphate of Copper, native, from the Rhine, analysis of the, 211. 
Phosphorescence of marine animals, 388 — of the Lampyris noctiluca 
and splendidula, 389- 
Phosphorus, on the solution of, in sulphuret of carbon, 222. 
Plant, account of a remarkable one of the order Fungi, found grow- 
ing in a solution of succinate of ammonia, 1 64.— which dissolves 
in water, 408. 
Poggendorff’s galvano-magnetic condenser, 113. 
Poongo, account of the, 2 68. 
Proceedings of the Royal Society of Edinburgh, 385. 
Processes in the useful arts, history of the, 113. 
Proteus anguinus, on the skeleton of the, 84.— -on the movements of 
the, in water and land, 87-— on the organs of digestion of, 92.— on 
the alimentary canal of, 93. — on the organs of circulation of, 95. 
—on the organs of respiration of, 98.— on the organs of genera- 
tion of, 100.— on the organs of secretion of, 101. — on the organs 
of sense of, 103. 
