der, why most solid and disturbed, 162.
----, action of frost on, 221, 231.
----, transportation of, by ice, 155, 219.
----, grooved by glacial action, 155, 227, 229.

Rogers, Prof., on Appalachian chain, 559.

Roman roads under water in Bay of Baiae, 517.

Romney Marsh, gained from sea, 316.

Rose, M. G., on hornblende and augite, 449.

Ross, Sir J., on cold of antarctic regions, 99.
----, obtained soundings at depth of 27,600 feet, 104.
----, confirms Cook as to antarctic ice, 125.
----, on icebergs, 98, 229.

Rossberg, slide of the, 732.

Rotation of the earth, currents caused by, 296.
----, of crops, 670, 720.

Rother, River, vessel found in its old bed, 316, 758.

Royle, Mr., 81.

Runn of Cutch described, 463.

Rye formerly destroyed by sea, 316.

S.

Saarbuck, reptiles in coal strata at, 136.

Sabine, Capt., on well at Chiswick, 234.
----, on waters of Amazon discoloring the sea, 342.

Sabine, Col., on solar magnetic period, 129, 544.

Sabrina, island of, 432.

Saco, R., flood on, 209.

Sahrunpore, buried town near, 731.

St. Andrew's, loss of land at, 303.
----, gun-barrel, fossil, near, 760.

St. Domingo, hot springs caused by earthquake in, 494.
----, fossil human skeleton in, 758.

St. Helena, tides at, 291.

St. Jago, earthquake at, 457.

St. Katherine's Docks, a fossil vessel found in, 758.

St. Lawrence, Gulf of, earthquakes in, 470.
----, rocks drifted by ice in the, 220.

St. Maura, earthquakes in, 474.

St. Michael, siliceous springs of, 246.

St. Michael's Mount, 323.

St. Paul, volcanic island, 446.

St. Vincent's, volcanoes of, 466.
----, counter-currents in the air proved by eruption in, 106.
----, boa constrictor conveyed on drift-wood to, 646.

Salt, on its deposition in the Mediterranean, 334.

Salt springs 18, 247.

Saltholm, island of, 520.

Samothracian deluge, 356.

Sand bars along western coast of Adriatic, 257.
----, drift, estuaries blocked up by, 307.

Sand, imbedding of towns, &c. in, 726.
----, cones of thrown up during earthquake, 483.

Sandown Bay, excavated by sea, 318.

Sandwich Islands volcanoes, 354, 372, 383, 429, 548, 552.

Sandwich Land, perpetual snow to level of sea-beach in, 99.

San Filippo, travertin of, 241.

San Lio, on Etna, fissures in plain of, 399.

Santa Maria, island of, raised 10 feet, 455.