The ice age in Britain : considered in relation to the depth of the North Atlantic Ocean as determined by recent and earlier deep-sea soundings /
Richardson, Ralph.
Edinburgh : Maclachan and Stewart,
1876
Two papers originally delivered before the Edinburgh Geological Society on 23 March 1876, "On the North Atlantic Ocean-Bed", and on 6 April 1876, "A Theory of the Cause of the Great Glacial Epoch, particularly in Britain".
Bibliographical references.
Glacial epoch