LOND. AND EDIN. PHILOSOPHICAL MAGAZINE, 1832 1838. 55 



Tungsten, on some compounds of, x. 322 ; 

 chloride of, xii. 461. 



Turf, manufacture of paper from, vii. 401. 



Turner (Ur. E.) on some atomic weights, 

 i. 109 ; iii. 488 ; on the chemistry of 

 geology, iii. 20, 448 ; on the action of 

 high pressure steam on glass, v. 297; 

 on the colouring matter of the green- 

 sand formation, xi. 36 ; notice of, xii. 

 275, 436. 



Turpentine, hydrate of oil of, vii. 537. 



Turpin on the occurrence of acicular cry- 

 stals in the tissue of the Aroidese, xi. 

 444. 



Tyrrell (J.) on the blood in insects, vi. 

 300. 



ULMIN and formic acid, conversion of 

 sugar into, vi. 399. 



Undulatory theory of light, vi. 16, 107, 

 189, 262; vii. 113, 293; viii. 7, 24, 

 113, 204, 247, 270, 305, 413, 429, 500; 

 ix. 401,420; x. 24 ; xii. 10, 114; que- 

 ries respecting, vi. 398 ; application of 

 photometry to, v. 439. 



Unger (M.) on the occurrence of the car- 

 bonate of lime on the leaves of Saxi- 

 fragae, xi. 445 ; on the reception of 

 coloured fluids in plants, xi. 535. 



United States, geological survey of, v. 

 466. 



University of London, evening meetings 

 of the Professors, ii. 479. 



Uranus, on the satellites of, iv. 381 ; va- 

 lue of the mass of, xii. 522. 



Ure (Dr.), analysis of the Moira brine 

 spring, vi. 58 ; Dr. Daubeny on, vi. 

 321 ; on the modes of warming and 

 ventilating apartments, x. 64. 



VALENTINE (W.), on the structure of 

 vegetable membrane, xi. 437 ; on the 

 dots of spiral tubes, xi. 441 ; on the ex- 

 istence of stomata in mosses, xii. 533. 



Valerianic audits salts, v. 396. 



Valparaiso, effects produced by the earth- 

 quake of Nov. 1822 at, vui. 159. 



Vapour, on certain properties of, iii. 38. 



Vapours from boiling solutions, tempera- 

 ture of, vii. 159. 



Vegetable membrane and fibre, chemical 

 composition of, xi. 421. 



physiology, progress of, xii. 53. 



Vegetables, classification of, vi. 379 ; x. 

 37, 108 ; system of circulation in, xi. 

 528 ; on secretory organs of, xi. 530 ; 

 reception of sap, the secretion and nu- 

 trition of, xi. 531. 



Vegetation, influence of the climate of 

 Naples on, iv. 274 ; v. 46, 102 ; action 

 of gases on, iv. 316; in a solution of 

 arsenic, x. 324. 



Veins, mineral, x. 394; ix. 8, 387; me- 

 thod of imitating, ix. 229. 



Velocity of sound in air or vapour, x. 

 220. 



Velocities, virtual, on the proof of the 

 principle of, ii. 16. 



Ventilating and warming apartments, on 

 the modes of, x. 64. 



Venus, on the rotation of, i. 391. 



Vertebrata, subdivided into five classes, 

 xii. 92. 



Verschoyle (Archdeacon) on the geology 

 of Mayo and Sligo, ii. 149. 



Vesuvius, its eruption in 1834, vi. 374 ; 

 on the lava of, i. 228 ; vii. 316. 



Vibrating surfaces, figures of, iii. 144. 



Vibration, phoenomena of, iv. 15, 182 ; 

 of heated metals, iii. 321 ; vi. 85 ; on 

 heat and light resulting from, vii. 

 342. 



Vignoles (Archdeacon) on bog timber, vii. 

 499. 



Viper of the Somersetshire Downs, vi. 

 153. 



Viscin, production of, xi. 157. 



Vision, on, v. 192 ; experiment on, x. 234, 

 370 ; some curious facts respecting, 

 V. 375 ; on certain phaenomena of, i. 

 249 ; some facts respecting, vi. 409 ; 

 of the blood-vessels of the eye, iv. 115, 

 354. 



Voice, physiology of the, ix. 201, 269, 

 342 ; human, cause of the grave and 

 acute tones of, vi. 372. 



Volatile oil, ix. 155; from caoutchouc, 

 ix. 321. 



oils, analysis of some, ii. 153. 



Volcanic strata, discoveries in, vii. 316. 



phaenomena, theory of, xii. 576 ; on 



the connexion of, xii. 584. 



Volcano in the Mediterranean, notice of, 

 i. 60 ; remains of the recent, iii. 148, 

 447. 



Volcanos of Asia Minor, x. 70 ; on the 

 theory of, xii. 533 ; elastic fluids evol- 

 ved from, iii. 159 ; on the chemical 

 theory of, viii. 250 ; eruption of Cose- 

 guina, viii. 414. 



Volta-electrometer, on the, iv. 293. 



Voltaic action, on the theory of, ii. 210, 

 251 ; artificial crystals by, x. 171. 



battery, on the, vii. 411 ; improved, 



viii. 114 ; x. 241 ; practical results of 

 the, viii. 121 ; voltaic combinations, 

 viii. 421 ; Hare's voltaic trough, viii. 

 116, 119 ; use of caoutchouc for insu- 

 lation in, ix. 120 ; construction of, ix. 

 283 ; xi. 76 ; employed in producing 

 artificial crystals and minerals, ix. 229 ; 

 x. 63, 65; charged with solution of 

 sulphate of copper, x. 244 ; on the em- 

 ployment of iron in the construction 



