I. 



OUTLINES OF NATURAL PHILOSOPHY. 



JUPITER. 



SATURN. 



e. The eccentricity and the greatest equation of Ju- 

 piter, are increasing, from the action of Saturn ; 

 and those of Saturn decreasing, from the re-action 

 of Jupiter. Their secular variations are nearly 

 in the proportion of 1 to 2. 



277* Uranus 



