80 



SEA FISHERIES 



Sea. At the end of five hours it reaches the Hague dike ; 

 at the sixth hour it passes Barfleur ; at the seventh it 

 fills the Bay of Calvados ; at the eighth it rounds Cape 

 Antifer ; at the ninth and the tenth it washes the coast 

 of Upper Normandy and Picardy ; at the eleventh it 

 enters the Straits of Dover ; at the twelfth it is checked 

 at the level of the Thames by the tidal wave which has 

 travelled from the north. 



This explanation is too systematic to be complete. 

 It supposes the coast to be perfectly rectilinear, which 

 is far from being the case. Hence back-currents, 

 eddies, and divided currents. These I will endeavour 

 to localise in the following table : 



I. 



BEFORE HIGH-WATER AT CHERBOURG. 



