Elizabeth or Henderson's Island, upraised atoll of, 788, 794.

Elsa, travertin formed by the, 239.

Embankment, system of, in Italy, 255.

Emu in Australia will become exterminated, 684.

Englehardt on the Caspian Sea, 157.

England, waste of cliffs on coast of, 303.
----, slight earthquakes felt in, 358.
----, height of tides on coast of, 291, 308.
----, tertiary strata of, 76.

Eocene period, fossils of the, 142, 144, 183.

Epomeo, Mount, in Ischia, 362.

Equatorial current, 95.

Equinoxes, precession of the, 100, 537.

Erebus, Mount, the active volcano of, 99.

Erie, Lake, peninsula cut through by, 333.
----, waste of cliffs in, 333.

Erman, M., on eruptions in Kamschatka, 353.

Erratic blocks, 122, 154, 220.
----, icebergs charged with, 86.

Erratic blocks, submarine, laid dry by upheaval, 229.

Eruptions, volcanic, number of per year, 450.
----, cause of, 533.

Erzgebirge, mica slate of the, 48.

Escher, M., on flood in valley of Bagnes, 211.

Eschscholtz Bay, fossils of, 82.

Essex, tertiary strata of, 76.
----, inroads of sea on coast of, 311.

Estuaries, how formed, 327, 337.
----, imbedding of freshwater species in, 768.

Etna, description of and its eruptions, 396 to 424.
----, towns overflowed by lava of, 400, 728.
----, subterranean caverns on, 401.
----, a glacier under lava on, 412.
----, marine formations at its base, 401.
----, antiquity of cone of, 422.

Euganean Hills, lavas of, 359.

Euphrates, delta of advancing rapidly, 284.

Euxine burst its barrier, according to Strabo, 14.
----, gradually filling up, 14.
----, _See_ Black Sea.

Evaporation, water carried off by, 260, 294, 334.
----, currents caused by, 294.

Everest, Rev. E., on climate of fossil elephant, 81.
----, on sediment of Ganges, 282.

Excavation of valleys, 488.

Expansion of rocks by heat, 560.

Extinction of species, 697, 701.
----, of animals, 700, 702.

F.

Fabio Colonna, 23.

Facial angle, 608.

Fair Island, action of the sea on, 301.

Falconer, Dr., on fossil quadrumana, 144.
----, on crocodiles of Ganges, 277.

Falconer, Dr., on peat near Calcutta, 280.

Falconi on elevation of coast of Baiae, 367.

Falkland Islands, quadrupeds of, 141, 635.

Falloppio on fossils, 21.

Falls of Niagara, 214.
----, of St. Mary, 254.

Faluns of Touraine, 142.