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"Diagram illustrating the gradual filling up of lakes by the encroachment of vegetation, and also the stages in the origin of peat and marl deposits in lakes. The several plant associations of the Bog series, displacing one another, belong to the following major groups: (I) O. W., open water succession; (2) M., marginal succession; (3) S., shore succession; (4) B., bog succession, comprising the bog-meadow (Bm), bog-shrub (Bs) and bog-forest (Bf); and (5) M. F., mesophytic forest succession." -Gager, 1916

Lake and Vegetation

"Diagram illustrating the gradual filling up of lakes by the encroachment of vegetation, and also the…

A common peat-moss, <em>Hypnum</em>.

Peat Moss

A common peat-moss, Hypnum.

"Stone Celt (Neolithic), mounted in wooden haft, showing how these implements were used. The haft and weapon preserved in peat, Cumberland." -Taylor, 1904

Stone Celt

"Stone Celt (Neolithic), mounted in wooden haft, showing how these implements were used. The haft and…