1877.] 107 
{Chase, 
1 
Fe: d's 385 le 387 
1 
ee 2 De 9.514 hs 9.539 
1 
pepe ie 1.655 oa 1.644 
1 
ine 1.526 a 1.524 
1 
ee 1.398 J, 1.403 
1 
pay ee 782 On 774 
1 
1 
a OS 1.323 sit 1.311 
1 
pee Ds 319 vy 319 
1 
SOE 776 Qs 774 
1 
es 386 v, 307 
ies 
7p WV, 7717 Qs 774 
1 
- 61 453 B 455 
1 
pe Y, 973 O, 966 
a 
oa OP 2297 By .297 
If we take geometrical, instead of arithmetical means, and place $a at 
Neptune’s mean aphelion instead of his secular aphelion, the influence of 
orbital collisions on positions of intra-asteroidal planets becomes still more 
striking. For we find, as theoretical (T) and observed (O) values : 
O. T (T-O). + T. 
Y, 5.208 < 5,228 4+..004 
eae rrisnee Gs = 1.548 4+.,016 
@, 1.033 @t 1.082 —.001 
Q,  .607 Ca —.014 
rere ere @* = .459 4.015 
Mean 1.209 1.2138 ~~» +004 
