SCENERY AND TOPOGRAPHY 



typical catenary cross-section of a glacier-cut valley. 

 A splendid pair of walls with the characteristic slope 

 of about ^^° defines the glacier trough. There is no 

 terminal moraine near the sea, which seems to denote 



'ButUrfoml 



Mt Lister and Ccvms 



Kukrvhfdls 



Sncut of Taulor Glacier 

 Cathedral 



MairL Vhijsw^raphic Features of the ^vposed ValUifS of 

 the Ferrar 0(^ Taybr (glaciers ^okuij S.Wesi) 



Fig. 15. — Block diagram showing the ice-free Taylor 



A'alley, 18 miles long, and the ice divide between 



THE Taylor and Ferrar glaciers. 



(By permission of John Murray.) 



a fairly uniform and perhaps rapid retrocession of the 

 glacier. About six miles from the coast a narrow 

 defile appears on the north side, but a rounded valley 

 floor rises gradually to two thousand feet over the 

 greater part of the trough. West of this point there 

 is a sudden drop from this great rock barrier (which 

 I called the Nussbaum Riegel ^) into the next bowl of 



3 Riegel is used in the Swiss Alps to indicate such a rock bar. 



123 



