Page:Quarterly Journal of the Geological Society of London, vol. 33.djvu/717

Rh

Introductory.—It is only recently that the materials have been obtained for a complete comparison between the different members of the Carboniferous group as they occur in Ireland and Great Britain. Much misconception has, for example, prevailed in some quarters regarding the true position in the series of those beds which, in the south of Ireland, immediately overlie the Carboniferous Limestone; and by some means or other, which I have not fully