648 



WILLIAM HERBERT HOBBS 



angular pieces too heavy for a man to lift. The destruction wrought 

 by lava to structures began by the damming back of the stream 



^i^ps-'Wdir^" 





Figs, ii and 12. — Views of the lava over Boscotrecase with partly buried villas 

 projecting. (Taken April 11, 1Q06.) 



until the structures were fractured and toppled over from the pressure 

 exerted against them. Trees situated near but within the edge of 



