Trans. X.Z. Inst., Vol. LIII. 



Plate X. 



Fig. 1.— Jim's Knob, Upper Rakaia Valley. A semi-detached knob, showing channel 

 where ice has attacked and cut down the termination of a spur. 



Fig. 2. — Ice-cut bench on lower side of Bealey River at its junction with the 



Waimakariri River. 



