554 A STRIKING EXAMPLE OF RIVER-CAPTURE. 



Plate xliii. 



Fig.l. — Photograph of the coarse gravels of the captured river at the point 

 where they occur on the very edge of the precipitous bank of Digger's 

 (Ottowa) Creek. Eleven yards to the right of the centre of the picture 

 there is a steep drop of about 1100 feet. 



Fig. 2. — Photograph of the coarse gravels of the captured river near the 

 intersection of the latter with Barber's Creek. The modern creek in the 

 picture has somewhat redistributed the gravels, but has nowhere in its 

 watershed rock outcrops competent to have originally produced them. 



