Primeval Man in the Valley of the Lea. 
113 
left by primaeval 
man in Palaeoli¬ 
thic times. At 8 
feet below the 
“floor,” and about 
12 feet from the 
surface of the 
ground, is a bed 
of gravel and sand 
8 ft. in thickness, 
containing imple¬ 
ments of older 
date; this bed is 
shown at the base 
of both the upper 
and lower sections 
in fig. 5. 
To more clearly 
show the nature 
of the “floor,” the 
60 feet of the up¬ 
per figure (where 
marked) is en¬ 
graved below to a 
larger scale; b is 
the 12 ft. gravel 
containing rolled 
fossil bones and 
abraded Palaeoli¬ 
thic implements ; 
c is fine buff- 
coloured sand, 
often full of fos¬ 
sil shells of land 
and fresh-water 
molluscs ; d d d 
is the “ floor,” 
with its numerous 
Fig. 5. 
i 
