LOND. AND EDIN. PHILOS01»HICAL MAGAZINE, 1832 — 1838. 35 



"■ Qieposit in tlie valley of the Rhine, v. 

 223 ; on the proofs of a gradual rising 

 of the land in Sweden, vi. 297 ; on tlie 

 geology of the islands of Seeland and 

 Moiin, vii. 412; address at anniversary 

 of the Geological Society, viii. 310; x. 

 308, 388 ; on the occurrence of fossil 

 vertebra) of fish in the loess of the 

 Rhine, viii. 557. 



Lyon (D.) on magnetic substances, v. 415. 



MF. Aurora Borealis of Aug. 10, 

 • 1836, ix. 230. 



MacCullagh (J.) on conical refraction, iii. 

 114, 197; on a difficulty in the theory 

 of the attraction of spheroids, iii. 282 ; 

 on the reflection and refraction at the 

 surface of crystals, vii. 295 ; on the laws 

 of reflexion from crystaUized surfaces, 

 viii. 103 ; x. 42 ; xi. 134 ; on the laws 

 of reflexion from metals, x. 382. 



M'Donnell (Dr.) on the differential pulse, 

 viii. 63. 



Jkl'Gauley (Rev. J. W.) on the ceconomy 

 'and uses of magnetism, vii. 306; on 

 some remarkable results of electro- 

 magnetic experiments, ix. 452 ; reply 

 to Dr. Ritchie, x. 130. 



M'Intyre's (Dr.) remarks on the formula 

 for boroughs, reply to, i. 26. 



MacLeay (W. S.) on the genera Urania 

 and Mygale, iv. 460. 



Mackenzie (Sir G. S.) on meteorology 

 and magnetism, vii. 355 ; on the paral- 

 lel roads of Glen Roy, vii. 433. 



Mackintosh, (Sir James,) sketch of his life, 

 ii. 138. 



Macvicar (Rev. J. G.) on the symmetri- 

 zing power of the eye, x. 234. 



Madeira, on the fishes of, xii..526. 



Magilus antiquus, vi. 224. 



Magnesia, borates of, v. 156 ; hydrate of, 

 X. 454; its volatilization by heat, vii. 

 406. 



Magnet, on an electric spark from a, i. 

 49, 63; detonation of gases by the 

 spark of, iv. 104. 



, permanent, on the electric shock 



and spark from, x. 280. 



Magnetic attraction ^nd repulsion, v. 1 ; 

 laws of, vii. 439. 



action, viii. 55, 108, 180, 242, 349. 



contact-breaker, description of a, 



xii. 18. : 



dip, on the, xiJ370; observations 



of, with a three-in(;h circle, xi. 372. 



electricity, on the theory of, ii. 32. 



experiments tried on board an iron 



steam-vessel, viii. 547. ,; .,|i 



forces, on the. viii. 55, 108, 842, 



%?ri oiJ no ;dvii .yj 



Magnetic intensity at Paris, &c., observa- 

 tions on, ii. 4 ; of the earth, xi. 58, 66, 

 170,254,363. 



needle, irregularities in its vibra- 

 tions produced by warmth, i. 310; 

 mode of determining the (Up of, iv. 

 232. 



polarity, on the distribution of, i. 



31. 



Pole, South, on the position of the, 



ix. 104. 



relations of the metals, viii. 179. 



substances, on, v. 415. 



Magnetical apparatus, improvements in, 

 xii. 380; discoveries, i. 129; observa- 

 tions, places fixed on by the Royal So- 

 ciety for making, xii. 347. 



Magnetical Observatory at Gottingen, v. 

 344; at Dublin, xii. 119. 



Magneto-electric current, effect of in 

 chemical decomposition, i. 161 ; on 

 the chemical action of, i. 441. 



induction, recent discoveries 



in, iv. 11 ; vii. 107. 



spark and shock, v. 349, 444. 



Magneto-electrical experiments, v. 376 ; 

 machines, ix. 120, 180, 222, 262, 360, 

 452 ; x. 12, 65 ; optical effects of, vi. 

 427. 



Magneto-electricity, vii. 231 ; Mr. Pri- 

 deaux on, i. 309 ; on the sensation pro- 

 duced on the tongue by, ii. 152; on 

 certain experiments in, iii. 18 ; on the 

 law which connects the various phae- 

 nomena discovered by Dr. Faraday, iii. 

 37 ; electrical phaenomena elicited by, 

 iii. 40 ; on the laws of magneto-electric 

 induction, iii. 141 ; new phenomenon 

 in, vi. 169 ; magneto-electrical decom- 

 position of water, vi. 428. 



Magnetism, action of, on electro-dynamic 

 spirals, i. 45 ; on practical applications 

 of, vii. 305, 306 ; on certain points in, 

 vii. 355; voltaic, its effects on soft 

 iron, vii. 422 ; researches in, viii. 455 ; 

 magnetic stations, establishment of, l\. 

 45; magnetic action of manganese, ix. 

 65 ; magnetic reaction, ix. 220, 287, 

 469 ; on Capt. Back's magnetical ob- 

 servations, ix. 523, 529 ; variations in 

 the needles, xi. 166. 



on terrestrial, ii. 292; iii. 215; viii. 



418 ; instrument for ascertaining va- 

 rious properties of, iv. 81 ; geometrical 

 researches concerning, vi. 302 ; on ad- 

 vancing the knowledge of, ix. 42. 



Magnets: — power of an electro-raagnet 

 to retain its magnetism, iii. 122 ; cu- 

 ri,ous properties of common and elec- 

 tro-magnets, iii. 124 ; attractive and 

 repulsive forces of, viii. 349; ix. 72, 

 E2 



