INFERIOR OOLITE SERIES : DUNDRY. 101 
caused by upheaval of the Lias, so as to form a barrier, along the 
intervening tract* This view must be regarded as a very 
speculative one ; but there is no doubt that the overlap of the 
Upper Division of the Inferior Oolite, was accompanied 07 some 
erosion of the underlying beds, and that the Oolite rests >n places 
directly on the Lia?. 
* Proc. Cotteswold Club, vol. ix. p. 374 ; see also J. F. Walker, Gcol. Mng. 1878, 
p. 556. 
