NOVUM ORGANUM 255 



which would otherwise attack their heads and bones, and 

 this piece soon grows white. 86 Let this suffice for the mo- 

 tiou of lesser congregation. 



Let the ninth be the magnetic motion, which, although 

 of the nature of that last mentioned, yet, when operating 

 at great distances, and on great masses, deserves a separate 

 inquiry, especially if it neither begin in contact, as most 

 motions of congregation do, nor end by bringing the sub 

 stances into contact, as all do, but only raise them, and 

 make them swell without any further effect. For if the 

 moon raise the waters, or cause moist substances to swell, 

 or if the starry sphere attract the planets toward their 

 apogees, or the sun confine the planets Mercury and &quot;Venus 

 to within a certain distance of his mass; 88 these motions do 

 not appear capable of being classed under either of those 

 of congregation, but to be, as it were, intermediately and 

 imperfectly congregative, and thus to form a distinct species. 



Let the tenth motion be that of avoidance, or that which 

 is opposed to the motion of lesser congregation, by which 

 bodies, with a kind of antipathy, avoid and disperse, and 

 separate themselves from, or refuse to unite themselves 

 with others of a hostile nature. For although this may 

 sometimes appear to be an accidental motion, necessarily 

 attendant upon that of the lesser congregation, because the 

 homogeneous parts cannot unite, unless the heterogeneous 

 be first removed and excluded, yet it is still to be classed 

 separately, 87 and considered as a distinct species, because, 



65 Query? 



86 Observe this approximation to Newton s theory. 



87 Those differences which are generated by the masses and respective dis 

 tances of bodies are only differences of quantity, and not specific; consequently 

 those three classes are only one. Ed. 



