VOL 
Volcanoes, European, of Greece, 
Santorino, xxxvi, 267. 
; , of Hungary, xiii, 245. 
_——, , of Iceland, xii, 276. 
, of Italy, xii, 252. 
——, Vesuvius, v; 
~ 193; vi, 385 ; xil, 185; xii, 262; 
XIX, 387; xxlv, 243. 
er Ta 
yy ibid, notice of, 
de D. Dana, xxvii, 281, 
—, > ‘ “NGL eruption in 
1834, xxviii, 199. 
—, 5 , ibid, eruption of 
April, 1835, xxviii, 340. 
: : phenomena at the Li- 
pari islands--fumeroles——form- 
ing minerals, &c., xiii, 270; 
KXXIN, 77. 
S , of Sicily, xiii, 272. 
; : > Mount Etna, 
observations on, EL. de Beaumont, 
xxx, 168. 
>— ——, , luminous 
flames, E. de Beaumont, xxxi, 
169. 
, , formation 
of, E. de econ. aut, 170. 
> ——, ——, some ac- 
count of, S. L. Johnson, xxvi, 1. 
\ » ——, island thrown 
up off Sicily, account of, W. 
Ainsworth, xxi, 399.f 
; , of Transylvania, xiii, 
251. 
, of Pacific ocean, New Zea- 
land, xx, 381. 
A , Hawaii, Kilauea, xi, 1, 
362; xvi, 345; xx, 228, 229. 
’ » ——, ibid, C..S. Stew- 
Onis xx. 229. 
: » ——, ibid, J. Good- 
rich, xxv, 199. 
; > ——, ibid, EL. G. Kel- 
. sale alee! 
>» ——, ibid, J.P. Couth- 
ouy, xli, 200. 
S Tiraee. Vv, L1G); xxxy,)305. 
Volcanic ashes of Etna, analysis of, 
xii, 194. 
, on some showers of, 
50.95 UP) 
275 
Vou 
Volcanic ashes, at sea, west of 
the Philippines, P. Parker, xl, 
198. 
-——, carried by upper at- 
mospheric currents, W. C. Red- 
field, xxv, 128. 
character of ‘Transylvania, 
xill, 251. 
eruptions and earthquakes, J. 
Galindo, xxviii, 332. 
formation of islands, xxxvi, 
267. 
—— of iron glance, Mits- 
cherlich’s theory of, xxxvi, 237. 
rocks, descriptive arrange- 
ment of, G. P. Scrope, xv, 28. 
or lavas, South Ameri- 
ca, why not crystalline, xxxi, 
176. 
, nature of, G. Bischof, 
XXXVI, 252. 
, scoria of Hawaii, xvi, 
348, 
, fusibility of, G. Bis- 
chof, xxxvi, 240. 
, still soft after crystals 
have formed, G. Bischof, xxxvi, 
266. 
, force required to raise, 
xv, 125. 
, raised by steam, and 
force required, G. Bischof, xxxvi, 
241. 
— , eruptions of, xxxvi, 
261. 
, spun glass of Hawaii, 
xvi, 349. 
Volney, theories of temperature, 
xlvii, 282. 
, death of, ii, 345. 
Volta, A., discoveries of, noticed, 
xv, 67. 
, biography of, xv, 67. 
Voltaic pile, calorific effects of, 
xviil, 173. 
, see farther under Galvanism. 
Volume, changes in, on mixing al- 
cohol and water, xxiv, 373. 
Volumeter, R. Hare, xii, 36f, 38.f 
‘Volumescope, R. Hare, xii, 39f; 
xv, 275! ; xxviii, 264.f 
