PATH OF THE ICE-SHEET IN NORTH-WESTERN EUROPE AND ITS RELATIONS
TO THE BOULDER CLAY OF CAITHNESS.
Character of Caithness Boulder Clay.—Theories of the Origin
of the Caithness Clay.—Mr. Jamieson’s Theory.—Mr. C. W.
Peach’s Theory.—The proposed Theory.—Thickness of Scottish
Ice-sheet.—Pentlands striated on their Summits.—Scandinavian
Ice-sheet.—North Sea filled with Land-ice.—Great Baltic
Glacier.—Jutland and Denmark crossed by Ice.—Sir R.
Murchison’s Observations.—Orkney, Shetland, and Faroe Islands
striated across.—Loess accounted for.—Professor Geikie’s
Suggestion.—Professor Geikie and B. N. Peach’s Observations
on East Coast of Caithness.—Evidence from Chalk Flints and
Oolitic Fossils in Boulder Clay 435