AND PROTECTION OF AGRICULTURAL LAND. 



67 



12 the same action at the Lossie, both on the shores of the Moray 

 Firth; and in both cases it will be seen that the outlets of the 

 rivers are driven to the westward, the heaviest seas on that coast 

 being caused by easterly and north-easterly gales ; and if this be 

 so in the case of large rivers draining large districts of country, 

 it must be obvious that the discharge of drainage water connected 





Fig. 11. 



with ordinary agricultural improvements on sea-coasts having a 

 similar geological formation, must be more liable to interruption, 

 and should therefore be carefully considered. In proof of this, 

 I may state that I have known a drainage outlet, constructed 

 at a large cost near the high-water mark of a shingle beach, 

 rendered quite inoperative by the same heaping up of shingle as 

 I have described. The current was altogether unable to force a 



