48 



GENERAL INDEX OP VOLS. 1 12 OF THE 



pole, iv. 222 ; on the aurora borealis, 



vii. 304. 

 Rotary motion of camphor, v. 152. 

 Rothman (R. W.) on a very ancient solar 



eclipse observed in China, xii. 282. 

 Roy (T.) on the ancient state of the North 



American continent, xi. 201. 

 Royal Medals awarded to Sir J. Herschel 



and George Newport, Esq., x. 213, 



214. 

 Royal Geological Society of Cornwall, 



iii. 305 ; anniversai-y meeting of, xi. 



478. 

 Institution, proceedings of, i. 72 ; ii. 



309 ; iii. 71 ; iv. 29G ; v. 74 ; vi. 394 ; 



vii. 70 ; viii. 348 ; ix. 71 ; x. 317, 485 ; 



xii. 451, 533. 

 Irish Academy, x. 382, 487 ; xi. 131; 



xii. 97, 368. 

 Society, proceedings of,i. 60; ii. 131, 



291, 373, 464 ; iii. 37, 141, 215 ; iv. 



125, 220, 291, 360, 436 ; v. 451 ; vi. 



55, 142, 297, 371 ; vii. 136, 207, 411 ; 



viii. 147, 412, 545; ix. 376, 522; x. 



62, 141, 210, 376; xi. 89, 189; xii. 



204, 269, 347, 426 ; anniversaries of, 



ii. 374 ; iv. 127. 

 Society of Edinburgh, iv. 70 ; viii. 



424. 

 Royle (J. F.) review of his Illustrations 



of the Botany, &c. of the Himalayan 



Mountains, vii. 132. 

 Rubies, artificial, xi. 563. 

 Ruby glass, on the colouring matter of, 



xi. 137. 

 Rudberg (Prof.) on refraction of the rays 



of crystals, i. 1, 136 ; on the variations 



produced by temperature in the double 



refraction of crystals, i. 410; on the 



magnetic intensity at Paris, &c. &c. ii. 



4 ; undulatory theory of dispersion, 



viii. 28, 113, 210. 

 Rudge (E.) on the position of the South 



Magnetic Pole, vi. 371 ; ix. 104. 

 Ruminantia, aiTangements of the, xi. 



469 ; Camelidae, xi. 471 ; Cervidae, xi. 



471 ; Moschidae, xi. 472 ; Capridae, xi. 



473; Bovidae, xi. 473. 

 Rumker's (C.) new method of reducing 



lunar observations, vii. 251 ; viii. 373; 



on the solar ecUpse of May 15, 1836, 



X. 180. 

 Riippell (Dr.) on the fossil genera Pseud- 

 ammonites and Ichthyosiagonites of 



the Solenhofen limestone, ix. 32 ; on 



a new species of sword-fish, ix. 67 ; on 



the existence of canine teeth in an 



Abyssinian antelope, ix. 141. 

 Russell (J. S.) on the motion of floating 



bodies, vii. 302 ; on the sohd of least 



resistance, viii. 66. 



Rust, effect of, in improving the quality 

 of steel, ii. 75, 406. 



SABINE (J.), notice of, x. 468 ; xii. 

 276. 



Saccharates, baryta and strontia, xi. 156 ; 

 potassa and soda, xi. 156. 



Safety-lamps, on the wire gauze of, vii. 

 411. 



tube for combustion of hydrogen 



and oxygen, i. 82. 



Salmonidae, on the aflSnity of fossil scales 

 of fish with those of the recent, xi. 

 300. 



Salsaparin, analysis of, v. 464 ; composi- 

 tion and properties of, xi. 337. 



Salt, its detection in chloride of potas- 

 sium, xii. 130 ; process for the purifica- 

 tion of, xii. 218. 



springs, on their strength at dif- 

 ferent depths, iv. 31. 



Salts : — insoluble, employment of in ana- 

 lysis, vi. 79 ; deliquescent, preservation 

 of, vi. 319 ; water as a constituent of, 

 vi. 327, 417 ; of sulpho-methylic acid, 

 vii. 397 ; their solubility in muriate 

 and nitrate of ammonia, x. 95, 178, 

 333; on the constitution of, x. 216; 

 xi. 397 ; metallic, pecuhar action of 

 iron upon solutions of, x. 267, 276; 

 double, of mercury, analysis of, xii. 

 235 ; efflorescent, absorption of water 

 by, xii. 130 ; on some remarkable, xii. 

 102; of retinic acid, xii. 562. 



San Fernando, mine of, xi. 22. 



Santaline, M. Pelletier on, iii. 312. 



Santini (Prof.), observations on Biela's 

 comet, ii. 378. 



Sap, ascent of the, x. 494 ; circulation of, 

 in Cissus hydrophora, xi. 525 ; distri- 

 bution of, in plants, xi. 526 ; elabora- 

 tion of, xi. 527. 



Sapyga 4-guttata, xii. 15. 



Sarcocoline, M. Pelletier on, iii. 313. 



Sarsaparilla, on the active principle of, 

 v. 463. 



Saturn, occultation of, observed at Ge- 

 neva, i. 327. 



Saunton Downend and Baggy Point, on 

 the raised beaches of, xi. 117. 



Saurian bones in the magnesian conglo- 

 merate, V. 463 ; reptile, description of 

 a, ix, 514. 



Saxton (J.) on his magneto-electrical 

 machine, ix. 360. 



Say's instrument for taking specific gra- 

 vities, improvement in, v. 203. 



Scanlan (M.) on a fluid obtained in ma- 

 nufacturing pyroxylic spirit, vii. 395. 



Scheele's artificial malic acid, iv. 74. 



Schiede (Dr.) on the Oxalis tuberosa, 



