Shetland Isles, peculiar beetle of, [354]

Shore deposits, [85], [211]

proving the permanence of continents, [97]

distance from coast of, [221]

Sialia sialis, variation of, [58]

Siberia, amount of snow and its sudden disappearance in, [166]

Silurian boulder-beds, [201]

warm Arctic climate, [202]

Simiidae, [27]

Sisyrinchium bermudianum, [272]