30 



E. C. ANDREWS 



parable to that obtaining on the neighboring Austrahan continent, 

 then a whole host of overlapping spurs must have characterized the 

 headward growth of the canyons. One, however, looks for them 

 in vain. The plunging waterfalls one expects to see are absent from 



~.e4&i^''-'.x>-^i'i ' *. »- - ■ 



Fig. 5. — The Bowen Falls, 550 feet high. A hanging valley in Milford Sound 

 Note the evenly steep walls of the valley. 



their heads, being found perched along the canyon sides instead, 

 while enormous and almost inaccessible cirques represent the initial 

 stages in canyon growth. 



The great glacial epoch has come and gone, and with its passing 

 the resurrected topographic forms are seen to be totally different 



