1Boyling of the Sun's own ſuperficies di
verſe eminent Mathematicians have plau
ſibly enough (but how truly I leave
your Lordſhip to Judge) endeavour'd to
give an Account of it. But if we will joine
with thoſe that have aſcrib'd of late this
Phænomenon to the Refraction the Sun
Beames fuffer in our vapid Air; we may,
as hath been intimated, promote their Do
ctrin by deducing from it, that probably
the ſurface Atmoſphere is oftentimes (if
not alwayes) exceedingly curl'd or wav'd.
And certainly it is ſomewhat wonderfull
as well as very pleaſant to behold, how,
to him that looks upon the ſetting Sun
through a long & excellent Teleſcope,
there will not only appeare ſtrange ine
qualities in the edge of it (inſomuch that
I have often ſeen it more indented than a
Saw) but thoſe inequalities will vaniſh in
one place and preſently appeare in ano
ther, and ſeem perfectly to move like
waves ſucceeding and deſtroying one an
other; ſave that their Motion oftentimes
ſeemes to be quickeſt as if in that vaſt ſea
they were carried on by a current, or at
leaſt by a tide. And this (as we elſe
where note) appear's to the eye not on
ly when it looks directly through the te-
verſe eminent Mathematicians have plau
ſibly enough (but how truly I leave
your Lordſhip to Judge) endeavour'd to
give an Account of it. But if we will joine
with thoſe that have aſcrib'd of late this
Phænomenon to the Refraction the Sun
Beames fuffer in our vapid Air; we may,
as hath been intimated, promote their Do
ctrin by deducing from it, that probably
the ſurface Atmoſphere is oftentimes (if
not alwayes) exceedingly curl'd or wav'd.
And certainly it is ſomewhat wonderfull
as well as very pleaſant to behold, how,
to him that looks upon the ſetting Sun
through a long & excellent Teleſcope,
there will not only appeare ſtrange ine
qualities in the edge of it (inſomuch that
I have often ſeen it more indented than a
Saw) but thoſe inequalities will vaniſh in
one place and preſently appeare in ano
ther, and ſeem perfectly to move like
waves ſucceeding and deſtroying one an
other; ſave that their Motion oftentimes
ſeemes to be quickeſt as if in that vaſt ſea
they were carried on by a current, or at
leaſt by a tide. And this (as we elſe
where note) appear's to the eye not on
ly when it looks directly through the te-
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