s undermined near, 309.

Lowland of Siberia, 78, 80, 83, 85.

Luckipour, on the Ganges, 276, 277.
----, new islands formed near, 276.

Luckput, subsidence near, 460.

Lund, Dr., on fossil quadrumana, 144.

Lybian sands, caravans overwhelmed by, 727.

Lyme Regis, waste of cliffs at, 321.

Lym-Fiord, breaches made by the sea in, 330.

M.

MacClelland, Dr., on earthquakes In Chittagong, 494.
----, on volcanic line In Bay of Bengal, 354.

MacCulloch, Dr., on gradation from peat to coal, 719.
----, on origin of limestones, 796.

Macacus pliocenus of Owen, fossil in valley of Thames, 144.
----, Suffolk Eocene species, 144.

Macaluba, in Sicily, mud volcanoes, 447.

Mackenzie, Sir G., his section of geyser, 556.
----, on reindeer in Iceland, 686.

Mackenzie River, driftwood of, 90, 743.
----, floods of, 84.

Maclaren, Mr. C., on Graham Island, 435.
----, on quantity of useful soil in America, 687.
----, on position of American forests, 714.
----, remarks, theory of atolls, 792.

Macmurdo, Captain, on earthquake of Cutch, 460.

Madagascar, extent of coral near, 776.
----, assemblage of quadrupeds in, 632.

Madrid, New, great earthquake at, 466.
----, sunk country near it, 270.

Maeler, lake, 524, 528.

Magellan, Straits of, tides in, 291, 293.

Magnesia deposited by springs, 283.

Magnesian limestone and travertin compared, 240.

Magnetism, terrestrial, phenomena of, 543.
----, solar, 129.

Mahomet, his cosmogony, 18.

Malabar, coral near, 776.

Maldive Islands, coral reefs of, 778, 782.

Mallet, Captain, on petroleum of Trinidad, 250.

Mallet, Mr., on the dynamics of earthquakes, 453, 475.
----, on whirling motion during earthquakes, 476.
----, cited, 560.
----, on transit of the earth-wave, 483.
----, on theory of waves, 498.

Mammalia, different regions of indigenous, 629.
----, fossil, of successive tertiary periods. 138, 139.
----, imbedding of, in subaqueous strata, 749, 753.

Mammifer, fossil of trias, 137.

Mammoth, Siberian, 75.
----, bones of, in Yorkshire, 76.

Man, recent origin of, 147, 182, 687, 764.
----, why able to live in all climates, 609.
----, diffusion of, 657.
----, changes caused by, 150, 182, 630, 663, 681, 713.
----, durability of the bones of, 147, 757.
----, remains of, in osseous breccias of Morea, 735.
----, his remains and works fos