488 INDEX. 
Poissons, Cuvier and Valenciennes Hist. Nat. des, reviewed, 432. 
Polynesian researches, by Mr. William Ellis, reviewed, 41. 
Polyzonal burning lens, An Brewster’s proposals for constructing a large, 159. 
Potassa, M. Gay Lussac on the action of, on organic matters, 384, 
* Prismatic form of mountain rocks, on the, with a plate, 218. 
Pterodactyle, new species of, discovered by Miss M. Anning, 456. 
* Pterostichus, Mr. Hewitson’s discovery of a new species of, 376. 
Q 
(Quartz crystals containing anthracite, coal, and liquids, 75. 
R 
Rajast’han, or Rajpootana, geography of, by Lieut.-Col. James Ted, 361, 441. 
Rang’s, M. zoological researches in the Mediterranean, 454. ah ak a 
Rathke, M. on the developement of the river crab, 456. 
Reich’s annals of the mines for 1829, noticed, 395. 
Rennie’s, Mr. J. experiments on the friction and abrasion of the surfaces of 
solids, 228. On the influence of soil on roots, 301. 
* Reseda alba, new British plant discovered by the Rev. Mr.- Tozer, 381. 
* Mr. Arnott’s remarks on, 426. 
Resinous and balsamic substances from Guiana, Dr. Hancock on, 231. 
Revelutions at the surface of the globe, M. Elie de Beaumont on the, 311. 
Rey, M. on the pesiaee of Hannibal over the Alps, noticed, 156. 
* Rhind’s, Mr. W. description of a worm found in the frontal sinus of a sheep, 
with a plate, 29. 
Rhone, anomalous rise in the waters of, 288. 
* Rice paper of China, Mr. W. Baird on the, 299. 
Richardson, Mr. on the constant of the aberration of light, 73. 
Riess and Moser, MM. on the magnetizing power of the solar rays, 474. 
Rifaud’s travels in Egypt, account of, 131. 
Rio Colorado, geographical details on the, 203. 
Robertson’s Rev. W. jun. analysis of a spring near Inverkeithing, 74. 
Robertson’s Mr. A. analysis of galena from Inverkeithing, 232. 
Roots, Mr. J. Rennie on the influence of soil on, 301 
Ross’s Captain, journey to the Arctic regions, 62, 143, 211. 
Rosa, Mr. Wallroth’s history of the genus, noticed, 513. 
Rose’s Four Years in Southern Africa, reviewed, 190. 
Rousseau’s, M. Emmanuel, description of a new bone, 74. 
Roux, Polydore, Crustacés de la Mediteranée; noticed, 32.. Cn the Xanthus 
Desmaresti, 146. 
Royal Geological Society of Cornwall, proceedings of, 477. 
Royal Physical Society of Edinburgh, proceedings of, 158, 237, 316, 397, 476. 
Royal Society of London, proceedings of, 234, 313, 397, 477. Of Edinburgh, 
proceedings of, 396, 476. 
* Russia, Mr. James Bell on the growing power and recent acquisitions of, | 
251, 329, 416. MM. Eversman’s journey to the steps of, 207. 
Russian discovery ships, 143. Slugne Apollo and Ladoga, navigation of, no- 
ticed, 232. 
S 
Sandstone rocks, Dr. MacCulloch on the prismatic structure of, 393. 
Salt leke Inder, Lieut. Alexander’s notice regarding the, 394 
Sasso, M. Aug. on the tertiary basin of Albenga, 311. 
* Saturnia luna reared in Europe by Mr. Sommer of Altona, 382. 
Savoy, M. D. Bertolotti’s journey in, noticed, 395. 
Sciences, Natural; Cuvier’s lectures on the history of the, 457. 
* Scylax, Mr. James Bell’s remarks on the voyage and periplus of, 177- 
Seeds, on the duration of the germinative power of, 226. 
Selby’s Illustrations of British Ornithology, Series II. No. VIII. noticed, 478. 
Semnopithecus entellus, Entellus monkey, account of the, 379. : 
Serturner, Dr. on new vegeto-alkalies from cinchona, 391. ; 
Serullas, M. on the ioduret and chloruret of nitrogen, 388. On iodic acid and 
iodates, 389, 471. « 
