PLATE LVII 



Fig. 1. WEATHERED BOULDER OF KENYTE FROM MORAINE AT 



CAPE ROYDS 



The boulJer was originally nearly round and of the full diameter of its base, 

 on part of which it is resting. Tlie rest of the boulder has been i-emoved by 



weathering 





Fig. -2. WEATHERED BOULDER OF KEXYTE ON FOOT- 

 HILLS OF ]\[OUNT EREBUS, NEAR (JAPE BARNE 

 Boulder about 7 feet in diameter 



Fig. 3. WEATHERED CONCRETIONS OUT OF THE BEACON 

 SANDSTONE, FROM SCREE, KNOB HEAD MOUNTAIN, 

 FERRAR GLACIER VALLEY 



[To face p. 194 



