202 Birth and Evolution of the Solar System . [April, 
We have, for the exterior system, distance of A 9050 r, 
and — 
9050 x i 7 3 7 x rio 7 X !-o 5 = 0 ' 0 ° 4 * 2 7 . excentricity of A. 
Distance of Neptune, 6447 r : — 
=0*0087, excentricity of Neptune. 
6447 x (1*107 x 1*22) y 
Uranus, excentricity of A 0*00427 x 8*8 x (1*107 x 1*025)* = 
= 0*0466, excentricity of Uranus. 
B, excentricity of Neptune 0*0087 x 8*8 x 1*22* = 0*1136, ex- 
centricity of B. 
Excent. of B o*H36_ 
Excent. of Uranus. 0*0466 
Excent. of Neptune 0*0087 _ 
Excent. of A 0*0042 
Excent. of A 0*00427 
Excent. of Uranus. 0*04661 
2 ) 0*05088 
0*02544 
0*02544 x 
Excent. of Neptune 0*0087 
Excent. of B 0*1136 
2*44, and-^-44=i-22. 
2*10 
2*io, and— — =1*05. 
•72 x 1*107 = 0*048, excent." 
[of Jupiter. 
2 x 1*05)0*058 = excentricity of Saturn. 
The excentricity of Jupiter now increases, of Saturn de- 
creases, of Venus and Earth decreases, of Mercury and 
Mars increases, of Uranus and B decreases, of Neptune and 
A increases. 
In the original, and in “ Two Planets ” I then go on to 
the other elements, the aCtual position of the latter planets 
included ; to the lunar systems, where some revision is 
required ; and to the own motion of the solar system, cor- 
rected in “ Two Planets.” 
Having, since the publication of the above, shown the 
connection of planetary excentricities with the proportions 
of their solid and fluid masses, and the general intimate 
