PORTION OF THE COSMOS. THE SATELLITES. 343 



may be in their turn the central bodies, around which revolve 

 other secondary cosmical bodies which remain unseen by 

 reason of their smallness. Thus individual members of the 

 partial systems, which are principally found in the outer 

 group of primary planets, would have other similar system* 

 subordinated to them. Man's love of systematic arrange- 

 ment is, it is true, gratified by repetitions of form in de- 

 scending or ascending order, in images \i hich are the crea- 

 tures of his own fancy ; but in severer and more earnest 

 investigations it is forbidden to confound an ideal with the 

 actual Cosmos, or to mingle the possible with the more sure 

 results of observation. 



u2 



