edible fruits, usually so widely distributed by birds, and no wind-borne composites. The sea was probably some distance away, as there is little sign of brackish-water plants, or eveu of plants which usually occur within reach of an occasional tide; one piece however yielded seeds of Ruppia, The climate to which the plants point may be described as northern. The white-birch, sallow and hazel were the only trees; the alder is absent. All the plants have a high northern range, and one, the dwarf Arctic-birch, is never found at sea-level in latitudes as far south as the Dogger Bank (except very rarely in the Baltic provinces of Germany).
The plants already found are:—
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Ranunculus Lingua Castalia alba Cochlearia sp. Lychnis Flos-cuculi Arenaria trinervia Spiraea Ulmaria Rubus fruticosus Epilobium sp. Galium sp. Valeriana officinalis Menyanthes trifoliata Lycopus europaeus Atriplex patula
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Betula alba „ nana Corylus Avellana Salix repens „ aurita Sparganium simplex Alisma Plantago Potamogeton natans Ruppia rostellata Scirpus sp. Carex sp. Phragmites communis
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Among the nine species of beetle determined by Mr G. C. Champion it is noticeable that two belong to sandy places. This suggests that the fen may have
