FIGURE II 
_ Laya crossing a road at right angles 
near Boscotrecase. Observe the gradual 
ushing over of one of the walls. 
Pp g 
TRANS. R. Dust. Soc. Ser. II. Vor. IX. 
FIGURE 10 
Great cone of Vesuvius seen from the 
south before the eruption. Observe the 
lava humps of 1885 on left limb of cone 
and those of 1883 on the right. 
FIGURE 12 
Lava that had flowed down one of the 
streets of Boscotrecase. The thickness at 
a short distance from the front is seen to 
attain the first floor of the houses. The 
paving stones over which it flowed were 
cut from an earlier Vesuvian lava. 
PLATE X. 
