INDEX. 
459 
Q 
Quartz, Plagiedral, its optical properties, 371. 
melted, its optical structure, 373. 
R 
Ramage, Mr, notice of his large twenty-five feet reflecting tele- 
scope, 425. 
Rejecting repeating circle, on the use of the, 419* 
Rennell, Major, his observations on Scott’s routes in Africa, 235. 
— oa the currents between Cape Finisterre and the Canary Is- 
lands, 241. 
Resistance of Fluids, observations on the, 315. 
Respiration 100, \ 
Richardson’s machine for raising stones, 281. 
Rock-crystals with globules of water, 212. 
Rock'Salt contains muriate of potash, 201 . 
Roget, Dr, on the compressibility of water, p. 438. 
Rose, M., on the pyroxenes and amphiboles, 21. — on fluoric acid 
in Mica, ib 
Royal Society of Edinburgh, proceedings of, 192, 423. 
Rumker, M., on the times of conjunction of the sun and moon on 
the 7th September, 87. — letter from, on Hansteen’s new dis- 
coveries, 295. — on a new method of calculating parallaxes, 387 
Rusconi on the Proteus Anguinus, S98. 
S 
Scoreshy, Mr, on the state of the ice on the coast of West Green- 
land, 221. — analysis of his work on the Arctic Regions, 285. — - 
his magnetimeter described, 360. 
Scott, Sir Walter, Bart., elected President of the Royal Society of 
Edinburgh, 193. 
Scott, Alexander, account of his captivity, and journey in Africa^ 
38, 225. 
Sea-Lions, numerous near South Shetland, 347. 
Sea-water in different latitudes, specific gravity of, 185. 
Selby, Mr, his natural history of British birds, 210. 
Serpents with two heads, 211. 
Serullas, M. on the movements of camphor, and of alloys of potas- 
sium on water and mercury, S89. — general results of his obseiv 
vations on the alloys of potassium and sodium, 447. 
Shetland, New South, voyage to it by Mr Barnsfield, 345. 
Snowdon, on the height of, 215. 
Sounds inaudible to certain ears, account of, 158. 
Specific Gravity of sea- water in various latitudes, 185. 
Springs, temperature of, at Leith, 439- 
Stanley, Dr, on the antiseptic power of pyrolignous acid, 344. 
Starling, on a peculiar habit of the, 207* 
flora of a former world, 206. 
Stron, on the destruction of the village of, 448. 
