294 OLD ROCKS UNDER LONDON. [1878. 



is to remain open, to send me a small sketch, and to purchase 

 a series of specimens. 



If you, however, could run over, it would be still better. 



I enclose you M. Prarond's pamphlet, which, please, return at 

 your leisure. There are also some discoveries making near Cam- 

 bridge which I should have liked to have seen, but cannot. I 

 had just begun my visit to Eastbourne when I met Austen. How 

 are Arthur 1 and his wife ? and have they started for their foreign 

 home ? My wife joins me in kind regards to Mrs Evans, and I 

 am sincerely yours, JOSEPH PEESTWICH. 



J. Prestwich to E. A. C. Godwin- Austen. 



OXFORD, 27th October 1878. 



MY DEAR AUSTEN, Your inquiry, which I had intended to 

 have answered from London, quite escaped me. 



Your map hardly takes in the Kentish Town well. I have 

 marked its near whereabouts with an X. It is 3 miles N. of 

 Meux's well. I have several specimens of the Kentish Town 

 Old Eed at Shoreham, and a few here. Shall you be here and 

 see tljem, or shall I send them to you? 



I do not attach much guidance to the 35 dip. The folds in 

 the strata may, as they do near Dinant and through the 

 Ardennes, bring in the same strata over and over again. It 

 is north of the great folds and disturbance of the Devonian 

 that the Carboniferous strata come in in Belgium and Northern 

 France, and I am inclined, therefore, to place them anywhere 

 N. of London. The Old Ked of K. T. corresponds with the Old 

 Eed of France and with some beds I have seen near Mons ; that 

 at Meux's, with beds I saw at Pernes, near Lillers. 



On thinking over the section we saw at the gas - works, I 

 believe the grey clay under the Flint Drift and over the Gault 

 must belong to the base of Chalk or U. G-. S. [Upper Green- 

 sand], ... or the U. G. S. may be wanting. 



I am, however, not satisfied, and must return to the first pit 

 we went to, where they are digging clay. I think the elephant, 





1 Mr Arthur J. Evans, keeper of the Ashmolean Museum, Oxford ; 

 author of 'Through Bosnia and the Herzegovina on Foot, 3 'Illyrian 

 Letters,' &c. 



