. The earth in past ages . FlG. 40.— I VCned variety, from the Red Crag. rium and a walrus with large tusks. The shells are Int the dominance of a few- types, such as the rev iriety of the Fusus hich is ass with the common whelk, the European c mon purple shells, and E \rgi* mild, Pectuncii ' 1 and Cardium, At rwich the Red ( comes estuarine. The of the Norfolk coast may he a part of its land . A patch of Crag is found north of Penzance, at S h, 98 feet above the ing deposit on the summit of the Chalk d - into pipes in the Chalk at Lenham in Kent, indicating that denudation removed the Crag fr

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. The earth in past ages . FlG. 40.— I VCned variety, from the Red Crag. rium and a walrus with large tusks. The shells are Int the dominance of a few- types, such as the rev iriety of the Fusus hich is ass with the common whelk, the European c mon purple shells, and E \rgi* mild, Pectuncii ' 1 and Cardium, At rwich the Red ( comes estuarine. The of the Norfolk coast may he a part of its land . A patch of Crag is found north of Penzance, at S h, 98 feet above the ing deposit on the summit of the Chalk d - into pipes in the Chalk at Lenham in Kent, indicating that denudation removed the Crag from the surface of the country. All through the crag the temperature on the east coast was becoming colder. This is evinced by the presence of stones in the newer crag which appear to have been floated southward in ice; and it may be indicated by the increasing number of shells which at the present day characterise

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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyo, bookyear1902