Chapter 19

Organisms of the Boulder-clay not unequivocal--First Impressions of the Boulder-clay--Difficulty of accounting for its barrenness of Remains--Sir Charles Lyell's reasoning--A Fact to the contrary--Human Skull dug from a Clay-bank--The Author's Change of Belief respecting Organic Remains of the Boulder-clay--Shells from the Clay at Wick--Questions respecting them settled--Conclusions confirmed by Mr. Dick's Discoveries at Thurso--Sir John Sinclair's Discovery of Boulder-clay Shells in 1802--Comminution of the Shells illustrated--_Cyprina islandica_--Its Preservation in larger Proportions than those of other Shells accounted for--Boulder-clays of Scotland reformed during the existing Geological Epoch--Scotland in the Period of the Boulder-clay "merely three detached groups of Islands"--Evidence of the Subsidence of the Land in Scotland--Confirmed by Rev. Mr. Cumming's conclusion--High-lying Granite Boulders--Marks of a succeeding elevatory Period--Scandinavia now rising--Autobiography of a Boulder desirable--A Story of the Supernatural. 336