AND PROTECTION OF AGRICULTURAL LAND. 



11 



The junction of two rivers is often the occasion of much 

 injury, by causing extensive diversions of the channel, particu- 

 larly if the axes of the two streams form a large angle at the 

 point of junction, as will be seen from fig. 6, in which the 



arrows represent the junction of the Ae and Kirkburn, and 

 the same objectionable feature will be seen in the junction of 

 the Kinnel and the Annan, to which I have already referred 

 at page 6. In such cases, according as either river happens to 

 be in higher flood, the stream below the junction is forced 

 to one or other side, and when the valley through which it 

 flows is broad, and the banks are composed of soft material, 



