INDEX 



491 



Worcester, 22, 197, 313, 443. 

 fault, 13, 22, 123, 163, 190, 197, 

 443. 



York, 233. 



Yzer Fontein Point, 37. 



Zamites, 296-97. 

 Zand Leegte, 396, 405. 

 Zoetlief series, 68-70. 



Zuurberg volcanic fissure, 366-69. 

 Zuurbrak, 373. 



Zwartberg folds, 16, 41, 442-43. 

 Zwartebergen, 16, 124-26, 442, 449, 



450, 454. 



Zwart Kops Heights, 408, 412. 

 Zwart Kops Valley, 290, 293, 299, 



301. 



Zwart Modder series, 54, 111-12. 

 Zwart Ruggens, 161, 163, 165 



ABERDEEN ! THE UNIVERSITY PRESS 



