INDEX. 
8/ 
Blue marl with shells of the Val di Noto, 
67 
Boblaye, M., on the successive elevations 
of the Morea, 113, 132 
■ on the formation of osseous breccias 
in the Morea, 144 
■i on the tertiary' strata of the"Morea, 
170 
Bolos, Don Francisco, on the volcanos of 
Olot, in Catalonia, 187, 191, 193 
on the destruction of Olot by earth- 
quake, in 1421, 191 
Bonelli, Signor, on the fossil shells of 
Savona, 166 
■ on the fossil shells of the Superga, 
211 
Bonn, blocks of quartz containing- casts of 
fresh-water shells found near, 199 
remains of frogs from the brown coal 
formation in the museum at, 200 
Bordeaux, tertiary strata of, 20, 206 
— -— Eocene strata in the basin of, 208 
— — fossil shells of — see table, Ap- 
pendix I. 
Bormida, tertiary strata of the valley of 
the, 211 
Bosque de Tosca, a mound of lava near 
Olot, 186 
Botley Hill, height of, 288 
Boue, M., on the loess of the valley of the 
Rhine, 151 
on the value of zoological charac- 
ters in determining the chronological 
relations of strata, 208 
term molasse vaguely employed by, 
212 
on the tertiary formations of Hun- 
gary and Transylvania, 213 
— — on the fossil shells of Hungary, 
223 
on the volcanic rocks of Transyl- 
vania, 223 
his objections to the theory of M. 
Elie de Beaumont, 346, 347 
Bouillet, M., on the extinct quadrupeds of 
Mont Perrier, 218 
on alluviums of different ages in 
Auvergne, 267 
Boulade, position of the alluviums of the 
— see wood-cut No. 54, 217 
Boulon and Ceret, dip of the tertiary 
strata between, 170 
Bourbon, Isle of, a volcanic eruption every 
two years in the, 363 
Bowdich, Mr., fossil shells of recent spe- 
cies brought from Madeira by, 134 
Braganza river, brown clay deposited by 
the, 161 
Breaks in the series of superimposed for- 
mations, causes of, 26, 33 
Breccias in the Val del Bove, 93 
osseous, in Sicilian caves, 139 
Breccias, in Australian caves, 143 
now in progress in the Morea, 
144 
trachytic, alternations of alluvium 
and — see wood-cut No. 54, 217 
— — volcanic, of Auvergne, 259 
Brighton, deposit containing recent shells 
in the cliffs near, 182 
British alluviums, how formed, 147 
their age, 147, 272 
Brocchi on the tertiary strata of the 
Subapennines, 18, 155 
— on the number of shells common to 
Italy and the Paris basin, 156 
on the age of the Italian tertiary 
strata, 156 
on the organic remains of the sub- 
Apennine strata, 1 63 
Bromley, pebble with oysters attached to 
it found in the plastic clay at, 278 
Brongniart, M. Alex,, on the formations of 
the Paris basin, 16 
on the conglomerate of the hill of 
the Superga, 211 
— — tabular view of his arrangement of 
the strata of the Paris basin — see wood- 
cut No. 58, 243, 247 
Bronn, M., on the loess of the Rhine, 151, 
153, 154 
Brown coal formation near the valley of 
the Rhine, 199 
organic remains of the, 200 
Bruel, quarry of, 237 
Buckland, Dr., on the Val del Bove, 83 
on the grooved summits of the Cors- 
torphine Hills, 147 
on the effects of the Deluge, 271 
on the Plastic clay, 278 
on tertiary outliers on chalk hills, 
283 
on the former continuity of the Lon- 
don and Hampshire basins, 283 
on valleys of elevation, 305, 307, 
308 
Budoshagy, rent exhaling sulphureous va- 
pours in the mountain of, 223 
Bufadors, jets of air from subterraneau 
caverns called, 190 
Bulimus montanus drifted from the Alps 
into the Mediterranean, 48 
Buried cones on Etna, sections of, 88 
Burton, Mr. J., his discovery of tertiary 
strata on the western borders of the 
Red Sea, 135 
Cadibona, section of the fresh-water for- 
mations of — see wood-cut No. 55, 221 
— — ■ lignites of, remains of an anthraco- 
therium foundfin, 222 
Caernarvonshire, tertiary strata of, 135 
Ceesar, volcanos of Auvergne not men- 
tioned by, 269 
