A GEOLOGICAL HISTORY. 69 



is, and that they were carried there by the stream 

 of the river when it runs over the top of these 

 bluffs, for it is to be supposed that at some remote 

 period the heights of Queenstown and Lewistown 

 were joined and that the falls were as low down 

 the river as that place, which is about seven miles 

 from its present site. 



I2th Fragments of Sandstone and Limestones. 

 —{Plate 7, fig. 12.) Mr. James Hall (State 

 Geologist) says in his report " these fragments are 

 thrown together in the greatest confusion, and 

 bear conclusive evidence of the action of a power- 

 ful current." 



