. The earth and its inhabitants .. . times beneath the dunes into the sea, or are concealed beneath layers of alluvial soil, features which are accounted for by oscillations in the level of the land. Embedded in them are trunks of trees, belonging to species hardly ever found in the upland bogs, the pines being rejjlaced by hazel-trees, willows, and ash- trees. Fresh-water shells occur abundantly', but none of marine origin ; but that the sea has frequently invaded them is proved by their impregnation with salt. Formerly the peat was burnt to extract this condiment, but this industry is no lon
. The earth and its inhabitants .. . times beneath the dunes into the sea, or are concealed beneath layers of alluvial soil, features which are accounted for by oscillations in the level of the land. Embedded in them are trunks of trees, belonging to species hardly ever found in the upland bogs, the pines being rejjlaced by hazel-trees, willows, and ash- trees. Fresh-water shells occur abundantly', but none of marine origin ; but that the sea has frequently invaded them is proved by their impregnation with salt. Formerly the peat was burnt to extract this condiment, but this industry is no longer remunerative.
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Keywords: ., bookcentury1800, bookdecade18, booksubjectgeography, bookyear1883
