302 



PHYSIOGRAPHY. 



[chap. 



almost due south, until he again met the sea at the Cape of 

 Good Hope, nearly 6,600 miles, in a straight line, from 

 his starting-point. China, Burmah, India, Persia, Arabia, 

 Algeria, Morocco and the Gold Coast, might all be reached 



Fig. 90. — Map showing the effect of an upheaval of the sea-bottom around the 

 British Isles, to the extent of loo fathoms. The half-shade represents the area 

 which would then become dry land ; the extent of this area is indicated b y the 

 fact that 1,000 square miles on the same scale is represented by this square I I 



by a foot passenger from any point of this expanse of dry 

 land ; the longest dimension of which, from the east coast 

 of Africa to Behring's Straits is somewhere about 15,000 

 miles. 



