(12) 
For a proof, and _ satisfactory illustration of this 
remark, I would only refer the reader to almost all 
the foot-pavemenis in the three towns of Plymouth, 
Plymouth-Dock, and Stonehouse, which are com- 
posed of blocks taken from our quarries; and he 
will find, after a shower of rain, while the stones 
are wet, most striking specimens of marble, curiously 
marked with veins of different colours, and beautifully 
shaded :—not unfrequently, too, full of animal remains 
of various kinds. 
Amongst others, however, I cannot refrain from 
mentioning here, one example of our marble, of a 
very singular appearance, which is to be found not 
far from the Devil’s Point. It seems to be composed 
principally, of the stems of the Encrinite, of a colour 
almost pure white, embedded in a blood-red matrix. 
This variety is of a character, and assumes an appear- 
ance, when polished, so widely different from all the 
other productions of our rocks, that an eminent Natu- 
ralist, some few years ago, after having examined a 
piece, which was in my. posession, entertained con- 
siderable doubts as to its being the produce of this 
neighbourhood ; in consequence of which, he visited 
