326 DIRECTOR-GENERAL OF THE SURVEY CHAP, x 



all of the same kind as those in the Cambrian beds, 

 only some additional genera and species, but none or 

 few common to the Lingula Flags. Etheridge I took 

 with me, and David Homfray came also from Port- 

 madoc. As I knew before, there are boulder-beds at 

 St. David's, but I did not know that they contain 

 chalk-flints, which are also found in Ramsey Island. 

 The country is undoubtedly moutonne 1 , and I saw on 

 the coast in three places striations running N.N.W. 

 and S.S.E., pointing, in fact, to the north of Ireland. 



' My Contemporary Review paper, as regards 

 substance, is in all important points my two Red Rock 

 papers in the Geological Journal, only the subject is 

 put consecutively. ... I am satisfied that in Scotland 

 there are two or three glacial episodes in what is 

 commonly called Old Red. I have no doubt, however, 

 that you will work it out, and I see no reason against 

 a Carboniferous glacial episode. The day will come 

 when all folk will allow a Silurian one too, which I 

 long ago inferred from the rocks on Carrick Moore's 

 land, and troubled his mind by printing the idea. 



1 Hicks I think is wrong about his Laurentian axis 

 at St. David's. I believe the area is Cambrian 

 metamorphosed into a kind of syenite, and that the 

 granites there are, like those of Anglesey, also meta- 

 morphic. But I could not be supposed to see all that 

 in 1841 when I surveyed the area.' 1 



He was able this summer to carry out at last his 

 intention of visiting the Rhine Valley, for the purpose 

 of studying the problem of its origin. Taking with 

 him his eldest daughter, and accompanied by his sister 

 and his nephew (now Professor William Ramsay of 

 University College, London), he ascended the river 



1 See p. 172 and note. 



