^{page 348 note 1} Geikie still retains the name Old Red Sandstone; but as he has proved a complete discordance between the Upper and Lower, he has come to the same conclusion as myself, and the names by which the two groups are called does not materially signify.

^{page 349 note 1} In Memoirs Geol. Survey of Ireland, Expl. Sheet 182, f.n. page 10, Jukes says, “an interpretation” (that of Griffith) “which is theoretically the better of the two.”

^{page 349 note 2} Here and hereafter in this paper the Upper or Carboniferous Old Red Sandstone will be spoken of as “Old Red Sandstone,” while the Lower will be called “Glengariff grits” or “Dingle beds.”

^{page 349 note 3} If we consider the difference in the heights of the ground occupied by the “Old Red Sandstone” and that in which we find the Coal-measures, the latter, in depth at the fault, ought to be lying against Glengariff grits.

^{page 350 note 1} American Journal of Science and Art, ser. iii. vol. iv. pp. 345et seq.Google Scholar

^{page 350 note 2} To the northward, near the margin of the area of deposition, the rocks necessarily are of a more littoral character than to the southward, for the reasons explained by Prof. Geikie.

^{page 352 note 1} I suspect that some of the Waterford rocks, at present supposed to be “Old Red Sandstone,” will eventually have to be included among the Dingle beds.