One of
its extremities is roundish, and the other, by the reunion and
prolongation of three sorts of tubercles, terminates in a point; those
protuberances being so formed, that the middlemost placed between the
two others, has the appearance of a nose, and the two lateral
protuberances resemble flat lips. On each side of that which forms what
we call the nose, a small hole or nook is perceived, capable of
containing a pea; but does not penetrate deep, and is surrounded with
black filaments, sometimes like eye-brows and eyelashes, so that the nut
on that side resembles an ape or a hare.
This _lusus naturae_, or sport of nature, has a very pretty effect, but
is oftener found in stones than other substances. A great variety of
such rare and singular productions of nature may be seen at the British
Museum: but nothing can be more extraordinary in this respect than what
is related concerning the agate of Pyrrhus, which represented,
naturally, Apollo holding a lyre, with the nine muses distinguished each
by their attributes. In all probability, there is great exaggeration in
this fact, for we see nothing of the kind that comes near this
perfection.
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