FIG. 5. Fault-scarp forming the north-western boundary of the Port 

 Nicholson depression. 



FIG. 6. Map of the Hutt River delta,' which partly fills the Port Nicholson 

 depression, and the aggraded valley of the western branch of 

 the Wainui-o-mata. Note the contrast between the fault-scarp 

 forming the straight north-western side of the depression and the 

 embayed eastern side. Approximate scale, in. -f- = i mile. 



