But there is another ancient practice which Young,
as we have seen, alludes to under the term fog, given, he
states, in South Wales to the growth of the whole year
kept till the ensuing winter and spring—a practice, he
tells us, ‘commonly found nowhere else.” Stock of all
kinds, he says, were fed on it during these seasons,
and the system was found to kill moss, and improve the
grass by the quantity of seed produced; he further
states that an acre of fog will support more cattle than
one acre of hay. I have made special inquiries, and
have obtained the following information from reliable
sources :—

“The custom you refer to,” writes my informant, “‘is still in
existence in parts of Cardiganshire, Carmarthen, and. Pembroke.
