INDBX. 175 



Royal Society of London, i. 113, 290. ii. 204, 457. iii. 129, 

 372. iv. 130, 3G2. v. 168, 351. vi. 343. vii. 160, 162. 

 viii. 337. ix. 148, 346. x. 378. xi. 118. xii. 119, 122, 300, 

 360. xiii. 142, 317. xiv. 356, 160. xv. 164, 262. xvi. 297. 

 xvii. 122, 250. xviii. 136, 323. xix. 98. xx. 296 



Ruby glass (ancient), composition of, xvii. 167 



RuMFORD (Count), notice of his discoveries, iii. 6 



Ruminating animals, experiments on the digestion of, xix. 169 



RuMK£R (Charles), re-discovery by, of Encke's triennial comet, 

 XV. 132 



■■■ catalogue by, of the stars in the comet of Encke, xix. 



110 



Rupert's drops, new method of exhibiting the force of, vii. 371 



Russian voyage of discovery, vi. 180 



Rust of iron, on the presence of ammonia in, xvi. 380 



— — — — — preservative against, xx. 396 



Rutherford (Dr.), death of, ix. 214 



Rye, experiments on the clavus or ergot of, ii. 61. Effects of 

 spurred rye on the human system, 62. First used as a medi- 

 cine in America, ib. Notice of cases in which it was 

 exhibited, 63. Its efficacy, 6G, Proofs that the clavus or 

 ergot is a species of scleroticum, 273. Discordant opinion 

 in France on that subject, 321. Its physical and chemical pro- 

 perties, 322. Experiments of M. Vauquelin on the ergot of, 

 323 



Saba island, geological structure of, v. 32 1 



Sabine (Captain), account of the Esquimaux who inhabit the west 

 coast of Greenland, vii. 72. His observations on the actual 

 results of the late voyage to the North Pole, 93 



Sir Godfrey Copley's prize-medal awarded to, xii. 300. 



Sit Humphrey Davy's address on the occasion, 302. Account 

 of his experiments for determining the acceleration of the pen- 

 dulum in different latitudes, 363 



