Climate and Time in Their Geological RelationsNote 255 — Chapter XXVII · PATH OF THE ICE-SHEET IN NORTH-WESTERN EUROPE AND ITS RELATIONS TO THE BOULDER CLAY OF CAITHNESS.[250]Reading editionPhil. Mag. for April, 1866.◇Copy noteReturn to CHAPTER XXVII. PATH OF THE ICE-SHEET IN NORTH-WESTERN EUROPE AND ITS RELATIONS TO THE BOULDER CLAY OF CAITHNESS.[250]