Smithsonian Report, 1906. — Lacroi: 



Plate X. 



Barrancos or Furrows Grooving the North Flank of 

 THE Terminal Cone, Formed by Dry Avalanches. 



(Photograph taken iruiii tho VnWi- Marght'i-ila. i 



Breccia OF the Dry Avalanches Accumulated at the 

 Foot of a Barranco and Eroded by a Mud Torrent. 



