Abstract
IN reference to Mr. J. P. Lesley's inquiry as to whether plicated coal-beds are generally converted into anthracite, it has occurred to me that during a residence upon the Somersetshire coal district, thirty years ago, I recollect visiting the Vobster coal-pits, on the northern edge of the Mendip hills. The coal-seams are there exceedingly disturbed. One seam of coal was said to have been pierced three times by a vertical shaft. Yet the coals are not anthracite. The Vobster pits are very fiery. The Radstock pits, where the coal is horizontal, not so; but they are worked in higher beds.
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