



I 



Oh. XXL] 



THE DOLLART FORMED. 



V V ** 



5 o o 



within the memory of man, a portion of the larger island. 

 On the other hand, some few islands off the Dutch and 

 Danish coasts have extended their bounds in one direction, 

 or become connected with others, by the sanding up of chan- 

 nels ; but even these, like Juist, have generally given way as 



Fig. 56. 



a. 



bb. 



View of part of the island of Heligoland with Sandy Island. 



In the distance said to have been formerly united with the main island. 

 Strata of a light green colour separating the beds of red marl and sandstone 



much on the north towards the sea as they have gained on 



the south, or land side. 

 The Dollar t formed 



■While 



delta of the Ehine has 



mater 



minor 



y j ■ <m r t ■ a m W L t % k 1 1 4 W w f ^ r m f \ J ^ f n. ^^^ w ^^ ^^- ^c ^^ ^n^ ■ 



should have been permitted to extend their deltas. It ap- 



Romans 



J_-/\^a;Xi3 UllClU 111 L11C IIU1C V/J- u-l-lv^ *w— . 



plain of great fertility, where the Ems entered the sea by 

 three arms. This low country stretched between Groningen 



and Friesland, and sent out a peninsula to the north-east 



towards Emden. 



map 



A flood in 1277 first 



destroyed part of the peninsula. Other inundations followed 



