-f 080 
«'< breadth, appear large and broad j but driven with 
the Wind, till they turn one edge upon us, feem of 
a long fhape. So thele Solar-Clouds, being turned 
about the Sun, may in the middle (hew their full * 
« breadth to us, and about both edges of the Sun, turn 
“ their edges to us: Which anfwereth to the appear- 
<c ance. 
“ Fourthly, for their continuance. Some of thefe 
c< Spots, arifing at the Ealt-fide of the Sun, vanifh be- 
“ fore they come to the midft of the Sun, Others ap- 
a pear firffc in the middle of the Sun, and vanifh before 
<c they come to the Weftern Limb , and for the moft 
part they vamth before they have made a full revo- 
“ lution about the Sun. Which argues them to be but 
iC thin, vanifhing, fading Subftances, not like the perma- 
“ nent bodies ot the Stars. 
“ But to take off' thefe Reafons, you anfwer, That 
a you conceive thefe Spots to be Stars moving regularly 
et in their own Orbes, which are many, though none of 
“ greater extent than about A of the 0 Semidiameter 
C£ from its Circumference $ and that the fvjrifter Movers 
“ in the lower Orbes, overtaking the flower in the 
“ higher Orbes, caufe an appearance. You feem there- 
“ fore to think, that they being fo thin bodies, the 
£t Suns Hayes pafs through them, and fo one cannot 
“ be feen alone, till more being together, one heaped 
et behind another, they flop the light of the Suns Rayes, 
ct and fo caufe an appearance. This I conceive is you 
u meaning : Or elfe (as you feem to infinuate afterwards) 
• tJ that the Higher refle&s the Suns Rayes ftrongly e- 
ct nough upon the Lower (when they come within the 
u Angle of Refle&ion) to make the interjacent Planet 
u indifcernable. 
“ But to thefe I anfwer, 
1. “ If it be by their coming within the Angle of 
M Reflection, that the light of the Sun reflected from 
“ the 
