THE ROMANCE OF A RIVER 



93 



"THE BARRIER HAS BEEN CUT THROUGH AND THE MAIN CURRENT HAS BEEN DIVERTED 

 FROM THE CURVED CHANNEL" (p. 90). 



bottom. It is worth while trying to picture 

 in the mind the characteristic movements 

 as revealed by these experiments. If 

 a plank of wood were sliding down a hill- 

 side, all the particles would move at the 

 same rate and preserve their relative 



positions, but in the case of water we 

 find the upper layers are sliding and 

 shearing over the lower, and the middle 

 parts are tearing their waj'S through 

 those at the sides. 



Xow what is the nature of the flow in 



"SWAMPy OXBOWS OF STAGNANT WATER . . . TELL OF SINUOUS WANDERINGS 



I.M THE PAST " (p. 91). 



