168 INDEX. 



U 



Page 

 Ultra-basic forms of the charnockite series . • 128 



v 



" Vallam diamonds " • . 159 



Vogt, J. H. L., ...••.«•... 134 



W 



Warth, H., . . . 118, 157 



" White Elephant •' rocks 107, 137, 154 



Y 



Younger eruptives • • • • 129, 146 



