Béchamp's process
Benzene
Bind
Bitumen in Trinidad
"Blower" a
Boghead coal
Bog-oak
Boring diamonds
Borrowdale graphite mine
Bovey Tracey lignite
British coal-fields
British North-American coal-measures
Briquettes

C.

Calamites, extinct horsetails
Carbolic acid
Carboniferous formation, the
Cardiocarpum, fossil fruit
Carelessness of miners
Causes of earth-movements
Changes of level
Charcoal as a disinfectant
Chemistry of a gas-flame
Chinese coals
Clanny's safety-lamp
Clayton's experiments with gas
Clay, regularity in deposition of
Club-mosses, great height of fossil
Coal-dust, danger from
Coal formed in large lakes or closed seas
Coal formation, geological position of
Coal formed by escape of gases
Coal-mine, the
Coal not the result of drifted vegetation
Coal-period, climate of
"Coal-pipes"
Coal-plants, classification of
Coal-seam, each, a forest growth
Coals of non-carboniferous age
Coal, vegetable origin of
Coke
"Cole"
"Condensers"
Cones of Lepidodendra
Conifers in coal-measures
Current-bedding in sandstone

D.

Davy-lamp
Dangers of benzene
Darwin on the Chonos Archipelago
Diamonds, how made artificially
Disintegration of vegetable substances
Disproportion in relative thickness of coal and coal-measures

E.

Early use of coal
Effects of an explosion
Encrinital limestone
Equiseta
"Essence de mirbane"
European coal-fields
Evelyn on the use of coal
Experiments illustrating fossilisation

F.

Filling retorts by machinery
Firedamp
Fire, mines on
First light oils
First record of an explosion
Flashing-point of oil
Flooding of pits
Fog and smoke
Foraminifera
Fossil ferns
Fructification on fossil-ferns
Furnace, ventilating

G.