‘RECENT CHANGES IN THE SURFACE OF JUPITER. 75 
at one time we see the brightest cloud zone on the planet, = at 
another a faint red one, which a that between the terr 
trades is ever chan its fea On each side of this are 
situated the darkest rings to be tual on the planet, and through 
these probably is our only chance of seeing the true surface, 
excepting those momenrenes mountain tops which parting clouds 
reveal, 
[Diagrams. ] 
