OF THE SOUTH DEVON COAST. 9 
This second mass of mica-schist forms a considerable headland, 
which descends in steep crags to the sea. The rock is much 
‘‘ onarled,” and is slightly greenish in colour, the strike being very 
nearly EK. and W., but the dominant direction of the dip is very uncer- 
tain. In the next cove, on the §. side of a small stream which here de- 
scends to the sea, we again meet with the chloritic schist. Here 
also the junction appears to be nearly vertical, but in the cove itself 
a sharp N.N.W. dip may be noticed in the last-named rock, which 
is, I think, the lower of the two. Hence, for some distance along 
the shore, bands of mica-schist occur inthe chloritic rock, the former 
being always the more corrugated and having more quartz-veins. 
The dips which I observed were now less steep, first to W.S.W., 
then to S.W. at about 45°, the latter being near the westernmost 
angle of the coast. The trend of this is now a little E. of N., and we 
pass over chloritic schist till in a little sandy cove we find a darkish 
mica-schist pretty clearly underlying it. The annexed diagram 
(fig. 4)° roughly illustrates the relation of the two rocks, and indi- 
cates that here, at any rate, the foliation-planes of the mica-schist 
cannot be trusted as evidence of bedding: for they make a consider- 
able angle with that (indicated by marked mineral changes) in the 
chloritic schist, and correspond with a faint imperfect cleavage in 
the latter. Hereabouts the rocks evidently are greatly folded, but 
the dark mica-schist is pretty clearly shown to be the lower of the 
two. 
Mica-schist, with its foliation-planes generally dipping northward 
at a high angle, continues as far as the ferry at Portlemouth ; and 
the same rock can be traced for a considerable distance inland up 
the hill, at least as far as the church; but a little beyond the ferry 
the chloritic schist seems to set in again and to continue along the 
shore for some distance. The mica-schist at Portlemouth is evi- 
dently thick, and the evidence just mentioned would naturally lead 
us to place it below the chloritic schist: still after consideration of 
the whole question, I doubt whether this is not another repetition 
of the upper schist, the apparent infraposition of that in the 
cove being due to the folding over of a banded part at the top of the 
chloritic schist. JI was unable, for want of time, to examine the 
coast north of Portlemouth. 
4. Salcombe to the Bolt Head. 
The ramifications of the coast and the numerous houses and en-~ 
closures cause this district to present even greater difficulties than 
the former. I visited the junction between the true schist and 
the slaty rock laid down on the geological map to the north of 
Salcombe, and by making use of a boat, formed some idea of the 
stratigraphy of the very irregular coast-line between this locality 
and the town. Landing a little north of the spot where the junction 
is indicated, I found the rock very imperfectly exposed; but satisfied 
myself that though, as at Bossons Sands, it occasionally assumed a 
schistose character, all is indubitably slaty, the cleavage-planes 
