Page:Geological Evidences of the Antiquity of Man.djvu/364

344 drift consists of the following subdivisions, beginning with the lowest:

No. 2. Stratified loam and sand, five feet thick, containing at one spot, near the base of the cliff at s, fig. 48, Cardium edule, Tellina solidula, and Turritella, with fragments of other shells. Between No. 2 and the chalk No. 1, there usually intervenes a breccia of broken chalk flints.

No. 3. Unstratified blue clay or till, with small pebbles

and fragments of Scandinavian rocks occasionally scattered through it, twenty feet thick.

No. 4. A second unstratified mass of yellow and more sandy clay forty feet thick, with pebbles and angular polished and striated blocks of granite and other Scandinavian rocks, transported from a distance.

No. 5. Stratified sands and gravel, with occasionally large