INDEX. 
Of! 
Montmartre, gypsum of, 247 
1 bones of quadrupeds, &c. in the gyp- 
sum of, 251 
■ entire absence of marine remains in 
the gypsum of, 252 
Mont Mezen, age of the, 260 
Monte Nuovo, formation of, 104, 128, 125 
Montpellier, tertiary strata of, 215 
Mont Perrier, position of the Miocene 
alluviums of — see wood-cut, No. 54, 217 
— — remains of extinct quadrupeds in the 
alluviums of, 218 
— — age of the trachytic breccias of, 262 
Montsacopa, volcanic cone of — (see Fron- 
tispiece,) 186 
Mountain chains formed of successive 
igneous and aqueous groups superim- 
posed on each other, 240 
— — on the relative antiquity of, 337 
difficulty of determining the relative 
ages of, 350 
Moravia, fossil shells of — see tables, Appen- 
dix I. 
Morea, osseous breccias now forming in 
the, 144 
tertiary strata of the, 170 
distinct ranges of sea cliffs at va- 
rious elevations in the, 113, 132 
fossil shells of the — see tables, Ap- 
pendix I. 
Moropano, fossil shells found in tuff near 
the town of, 126 
Mosenberg, a mountain with a triple vol- 
canic cone, 197 
Mososaurus of Maestricht found also in the 
English chalk, 325 
Mundesley, protuberances of chalk in the 
crag strata near, 180 
Murat, fresh-water deposits covered by 
volcanic rocks near, 263 
Murchison, Mr., on the tertiary strata of 
Grosceil, near Nice, 135 
on tertiary strata* at the base of the 
Maritime Alps, 166, 168 
his section of the manner in which 
the crag rests on the chalk — see dia- 
gram No. 30, 173 
on the Superga, 211 
■ on the tertiary formations of Styria, 
gaam 213, 214 
■ on the fresh-water formation of Ca- 
dibona, 222 
on the volcanic rocks of Styria, 224 
■ on central France, 227 
> on the lacustrine strata of the Cantal, 
239 
on Auvergne, 258 
: on the Plomb du Cantal, 263 , 
■ ■ on the excavation of valleys, 265 
— — on the tertiary formations of Aix, in 
Provence, 277 
— on the terrace formed by the hard 
beds of the upper green-sand, 292 
Murphy, Lieut. H,, on the height of the 
North Downs, 288 
Musara, sections of buried cones seen near 
the rock of, 88 
flowing of the lava of 1811 and 1819 
round — see wood-cut, No. 21, 92 
— — traversed by dikes, 92 
Nadder, valley of the, 308 
Nantes, tertiary strata near, resting on pri- 
mary rocks, 204 
Naples, recent tertiary strata in the district 
around, 22 
'. - : 1 volcanic region of, changes which 
it has undergone in the last 2000 years, 
118 
recent shells in volcanic tuffs near, 
126 
Necker, M. L. A,, on the dikes of Somma, 
121 
on the cause of the parallelism of 
their opposite sides, 122 
on the varieties in texture of the 
dikes of Somma, 124 
Needles of the Isle of Wight, fall of one of 
them into the sea in 1772, 181 
Nesti, M., on the fossil elephant of the 
upper Val d'Arno, 221 
Netherlands, tertiary formations of the, 276 
Newer Pliocene period — see Pliocene 
period, newer 
Newhaven, patches of tertiary strata found 
on the chalk near, 286 
Nice, height of the tertiary strata above the 
sea at, 165, 167 
section from Monte Calvo to the sea, 
by the valley of Magnan near— see dia- 
gram No. 29, 167 
■ great beds of conglomerate near, 167 
dip of the strata, 168 
Niger, delta of the, area covered by the, 329 
Nile, its delta now preyed on by currents, 
28 
Noeggerath, M., his map of the Eifel dis- 
trict, 193 
• • on volcanic district of the Rhine, 201 
Norfolk, crag strata of, 171 
rapid waste of the cliffs on the 
coast of, 297 
Northampton, Lord, fossil fish found near 
Castrogiovanni by, 67 
North Downs, chalk ridge called the, 287 
— — section across the valley of the 
Weald from the south to the — see wood- 
cuts, No. 63 and 64, 288 
highest point of the, 288 
on the former continuity of the chalk 
of the, with that of the South Downs, 303 
Noto, Val di, formations of the, 63 
■ ■ volcanic rocks of the, 63, 67 
Novera, hill of, in Sicily, junction of tuff 
and limestone in the — see diagram No. 
8, 70 
' *2 
