The Quarterly journal of the Geological Society of London . nt gravels. I shall only venture to indicate how far the opinionswhich have been held on that interesting and perplexing subject areborne out by the phenomena of this particular deposit and those inthe immediate neighbourhood. In the very able paper which Mr. Prestwich read before the EoyalSociety, he inclines to the opinion that these gravel-terraces werebrought into their present position by river-action; but as thatopinion was advanced with some hesitation and with several quali-fications, it seems reasonable that the subject shoul
The Quarterly journal of the Geological Society of London . nt gravels. I shall only venture to indicate how far the opinionswhich have been held on that interesting and perplexing subject areborne out by the phenomena of this particular deposit and those inthe immediate neighbourhood. In the very able paper which Mr. Prestwich read before the EoyalSociety, he inclines to the opinion that these gravel-terraces werebrought into their present position by river-action; but as thatopinion was advanced with some hesitation and with several quali-fications, it seems reasonable that the subject should be reconsidered,especially with reference to this and various other recent discoveries,as well in France as in England, by means of which our knowledgeof the deposits, and of their relations to other strata, has been muchincreased. In the district now in question we find several deposits of imple-ments very near to each other, but in three difi^erent valleys—namely, e2 52 PROCEEDINGS OP THE GEOLOGICAL SOCIETY. Fig. 5.—Flint Implement from FLOWER FLIXT IMPLEMENTS. Fig. 6.—Flint Implement from Thetford. 53
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