; .. f 2 74 ) ' 
Ccive to be fornecimes quite- extinft, aq4 then again im.- 
tnediately to appear: And the Facula alfo, in half an 
hours time, had plainly alter’d their Shapes. 
Ottober 29. the fame Year, I could plainly perceive the 
Macula and FacuU both to change : And whilff I was 
carefully viewing them, I faw a Spot arife in one of 
the blighted: FacuU, and again nearly difappear 5 and 
then again appear ftrong and fpifs. I fhould have been 
glad to have feen how they appear’d next Day $ but 
the Weather was Stormy, Cloudy, and Wet for feveral 
Days after. 
Another thing I have obferved (and not having the 
Book by me, I forget wheiher Schemer obferved the 
fame or not ) is. That the Macula do generally, if not 
always, become Nebula or Umbra before they quite 
vanifh ; and. after that, very frequently turn to FacuU, 
or bright golden Spots, more illuftrious and fulgid than 
the other Parts of that glorious Globe. If the Spots 
are of fhort duration, Facttla feldom enfue : Or if they 
do, they are commonly the Remains of fome Spots that 
had before been on the Sun, and vanifh ’d perhaps on 
the fide oppofite to us. But Spots that long continue, 
if they vanifh before that parr of the Sun revolveth out 
of our fight, do very often become Facttla. Of which 
the Table afforderh feveral Inftances, particularly 
1705. : . . ; 1 - . . f 
From thefe preceding Particulars, and their congrui- 
ty to what we perceive in our own Globe, I cannot for- 
bear to gather, That the Spots on the Sun are caufed Hy 
the Eruption of foMt new Vulcatio therein which at firfh 
pouring out a prodigious quantity of Smoak, and other 
opaccus Matter, caufeth the Spots : And as that fuligi- 
nous Matter decayeth and fpendeth irfelf, and the Vul- 
can o at laft becomes more torrid and flaming,- to the 
Spots decay and grow to Umbra, and at lafi: to FacuU ^ 
which FacuU I take to be ho other than more flamin* 
