FIGURE 8 
Lava that poured down the valley above 
Boscotrecase. Observe the lateral moraines 
left at the edges of the ravine, the lava 
smears on its sides, and the scoriaceous. 
covering of the remains of the stream at 
the bottom. 
Trans. R. Dust. Soc. Srr. II. Vor. IX. 
FIGURE 7 
The large falls of fragmentary ejecta 
added much to the screes against the 
escarpment of M. Somma; their slipping 
has produced the peculiar fan like streaking 
seen in this photo. taken the 29 April, 1906. 
FIGURE 9 
The same ravine showing the lateral 
moraine of scoria on its edge in the fore- 
ground. 
Prate IX. 
