278 



MAPS ILLUSTRATING REVOLUTIONS 

 Fig. 40. 



CHAP. XIV. 



MAP SHOWIXG WHAT PARTS OF THE BRITISH ISLANDS WOULD REMAIN 

 ABOVE WATER AFTER A SUBSIDENCE OF THE AREA TO THE EXTENT OF 

 600 FEET. 



The authorities to whom I am indebted for the information contained in this 

 map are — for 



Scotland. — A. Geikie, Esq., F.G.S., and T. F. Jamieson, Esq., of Ellon, Aber- 

 deenshire. 

 England. — For the counties of Yorkshire, Lancashire, and Durham — Col. Sir 

 Henry James, R.E. 

 Dorsetshire, Hampshire, and Isle of Wight — H. W. Bristow, Esq. 

 Gloucestershire, Somersetshire, and part of Devon — R. Ethcridge, Esq. 

 Kent and Sussex — Frederick Drew, Esq. 

 Isle of Man— W. Whitaker, Esq. 

 Ireland. — Reduced from a contour map constructed by Lieut. Larcom, R.E., 

 in 1837, for the Railway Commissioners. 



