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II.—Awn INVESTIGATION OF SOME WEALDEN SANDS. 
By FLORENCE J. RELF, B.Sc. 
| (PLATE XIL) 
HE sands which are the subject of this investigation were taken 
from various parts of the Wealden area, and from different 
horizons, though all, except the French ones, are below the Weald 
Clay and represent the lowest division of the Cretaceous rocks, that is, 
_the Hastings Beds. 
Fossils are rare in these sands, but carbonaceous material, 
indicating plant-remains, is common. ‘The fossils in the Weald 
Clay are all (except some in the highest part) freshwater forms, 
and it is generally allowed that the Ashdown Sands are merely an 
introductory phase of the Wealden Beds. ‘There is, therefore, no 
question that the whole of this series was deposited by fresh water. 
It was hoped, however, that an examination of the minerals in these 
sands might yield some evidence as to their source, and might even 
throw some light on the much discussed question as to the conditions 
under which they were deposited. 
The comparisons that have been possible are extremely incomplete, 
and the results are far less definite than it was hoped they would be, 
but it is still believed that further and more thorough investigations 
along the same lines would help to a solution of the wider questions 
to which reference has been made, and that it may therefore be 
useful to record the results thus far obtained. 
The sands originally investigated were taken from the Ashdown 
Sands of the Wealden area with a view to comparing, first, the sands 
of one horizon in different parts of the area, and secondly, a sequence 
