454 PREHISTORIC EUROPE. 



sea-margins, which occur at higher levels, belong to the Pleisto- 

 cene series ; they all date back to a time anterior to the growth 

 of the lower buried forests of the north-western, southern, and 

 eastern counties, and have already been briefly described. 1 



In the inland districts peat-bogs and Postglacial and Eecent 

 alluvia occupy relatively the same geological position as similar 

 accumulations in Scotland. In the hilly regions of the north 

 and in Wales they overlie the latest deposits pertaining to the 

 Glacial Period ; in East Anglia and the south-eastern region 

 generally they likewise rest upon accumulations of Pleistocene 

 age. Thus, in the valley of the Thames and other streams, we 



1 For notices of submarine forests and peat, and raised-beaches of Postglacial 

 age, see (for southern counties from Cornwall to Kent) — Phil. Trans., vol. 1. p. 

 51 ; De la Beche : Rep. Geol. Corn., Dev., and West Som., p. 419 ; Trans. Roy. 

 Geol. Soc. Corn., vols. i. p. 236 ; iii. p. 166 ; iv. p. 481 ; vi. pp. 23, 51, 230 ; vii. 

 pp. 35, 62 ; 26th Ann. Rep. Roy. Inst. Corn., p. 36 ; AOth Rep. (of same), pp. 17, 

 31 ; Jour. Roy. Inst. Corn., No. xiii. p. [77 ; (see also for copious references to 

 stream-tin sections Mr. Ussher's papers in Geol. Mag., Dec. ii. vol. vi., and his 

 Post- Tertiary Geology of Cornwall) ; Trans. Dev. Assoc, 1865, part iv. p. 30 ; 

 1866, part v. pp. 77, 80 ; 1868, vol. ii. p. 415 ; 1869, vol. iii. p. 127 ; vol. vi. p. 

 232 ; De la Beche, r op. cit., p. 417 ; Proc. Geol. Soc., vol. ii. p. 599 ; Quart. Journ. 

 Geol. Soc., vols. iii. p. 249; vii. p. 118 ; xiii. p. 64; Brit. Assoc. Rep., 1864, 

 p. 63 ; 1867, p. 59 ; Geol. Mag., vol. vii. p. 164 ; Dec. ii. vol. ii. p. 239 ; 

 Lyell's Principles of Geol., vol. i. chap. xx. ; Chambers's Ancient Sea Margins, 

 p. 240 ; Peacock's Phys. and Hist. Evidences of Vast Sinkings of Land, etc. ; Ex- 

 planation of Geol. Survey Map, Sheet 40, p. 4. For Channel Islands, see Proc. 

 Geol. Soc, vol. ii. p. 578 ; Quart. Journ. Geol. Soc, vol. vii. p. 131 ; Brit. Assoc. 

 Rep., 1849, p. 51 ; 1867, p. 70 ; Peacock, Op. cit. For Eastern Counties, see Brit. 

 Assoc Rep., 1858, pp. Ill, 113 ; 1875, p. 82 ; Mem. Geol. Survey, "Geology of 

 Middlesex," p. 95 ; Geol. Mag., vols. iii. p. 62 ; iv. p. 560 ; v. p. 215 ; vi. p. 385 ; 

 viii. p. 186 ; Dec. ii. iii. p. 491 ; v. p. 351 ; Quart. Journ. Geol. Soc, vols. xxii. p. 

 564 ; xxvii. p. 237; Phil. Trans., vols. xxii. p. 980 ; lxxxix. p. 145 ; Proc. Roy. 

 Geol. Polyt. Soc. West Rid. York., vol. iii. p. 637 ; Porter's Geol. of Peterborough ; 

 Miller's and Skertchly's The Fenland, p. 566 ; "The Geology of the Fenland," 

 Mem. of Geol. Surv. Engl, and Wales; Rev. G. Munford on "Submarine Forest 

 of Hunstanton," quoted by Lucy in Proc Cotteswold Club, 1874 ; Howse, in Proc. 

 North of Engl. Inst. Mining Engineers, 1864. For Western Counties and Wales, 

 see Proc. Geol. Soc, vol. i. p. 407 ; Quart. Journ. Geol. Soc, vols. xii. p. 169 ; 

 xxii. p. 1 ; xxvii. p. 655 ; xxxiv. p. 447 ; Proc. Geologists' Assoc, vol. iv. No. 4; 

 Hume's Ancient Meols, etc. (1863), and Supplement (1866) ; Geologist, 1864, p. 

 216 ; Geol. Mag., vols. ii. p. 382 ; iii. p. 289 ; v. p. 352 ; vi. p. 72 ; vii. p. 337; 

 ix. p. Ill ; Explanation of Geol. Surv. Map, Sheet 90, S.-E. ; Proc. Cotteswold 

 Club, 1874, p. 105 ; Chambers, Op. cit. ; Brit. Assoc Rep., 1854, p. 80 ; Proc 

 Geol. Soc Liverpool, 1871-72, p. 73 ; 1872-73, p. 42 ; 1875-76, p. 120 ; Trans. 

 Geol. Soc Manchester, vols. xiii. p. 71 ; xiv. p. 238. 



