OF THE SOUTH DEVON COAST. 
N. of E. The foliation-planes 
seem generally to incline rather 
to the southern side, but the 
thinner quartz bands among the 
micaceous lamine are intensely 
“‘onarled,” and the quartz veins, 
by which the rock is often tra- 
versed, are commonly completely 
smashed. I do not think that 
we can rely much upon the evi- 
dence of the minor features of 
this mass: but the general aspect 
of the crags—of marvellous wild- 
ness and beauty—produced upon 
me the impression that the head- 
land consisted of a series of grand 
folds, the loops of which had 
their axes in a nearly vertical 
position. 
5. The Bolt Tail and the neigh- 
bouring Coast (fig. 6). 
At the Bolt Tail we have, as 
at Prawle Point, a great mass 
of chloritic schist. The coast 
between the Head and Tail may 
be dismissed in a few words, 
though the walk from the one 
to the other is rather a long 
one (more than four miles as 
the crow flies, and over very 
broken ground). As a rule, it 
is not possible to descend the 
cliffs to the water’s edge ; but we 
can see clearly that the rock is 
very uniform in character, a dark 
mica-schist, the interlaminations 
of quartz being very thin, often 
barely perceptible, while the mass 
is frequently traversed by quartz 
veins. There can be little doubt 
that the general strike is to the 
east, and the bedding (if we can 
trust the indications) dips at a 
high angle to the south. We 
do not touch the chloritic schist 
until we reach a spot almost due 
south of Hope village, where it 
is seen to rise abruptly from the 
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