I9I0.] 



SEE— ORIGIN OF ZONE OF ASTEROIDS. 



357 



the only way we can explain the failure to detect this contradiction 

 long ago is by the fact that Babinet's criterion seems to have been 

 totally overlooked till taken up by the writer in 1908. 



Table of Data Relating to the Satellite Systems. 



II. Since the attendant bodies could not be thrown ofif by rota- 

 tion, and could not form where they now revolve out of mere 

 scattered dust, owing to the feebleness of the mutual gravitation of 

 such particles, under the powerful dispersive tidal action of the 

 adjacent central masses, it follows incontestably that the planets and 

 satellites have all been captured and added on from without. And 

 we have explained the method of capture by simple and general 

 considerations which make it certain that this process represents the 

 true law of nature. 



