1 6 HISTORY or ASTRONOMY.

by itfelf, he will enlarge the precin&s, if I mayfay fo, of fome fpecies, in order to make roomfor it; or he will create a new fpecies on purposeto receive it, and call it a Play of Nature, orgive it fome other appellation, under which he ar-ranges all the oddities that he knows not whatelfe to do with. But to fome clafs or other ofknown objedds he mull refer it, and betwixt itand them he muft find out fome resemblance orother, before he can get rid of that Wonder,that uncertainty and anxious curiofity excited byits singular appearance, and by its dissimilitudewith all the objecds he had hitherto observed.

As single and individual objets thus excite ourWonder when, by their uncommon qualities andsingular appearance, they make us uncertain towhat fpecies of things we ought to refer them ;fo a fucceffion of objeds which follow one an-other in an uncommon train or order, will pro-duce the fame efteci, though there be nothingparticular in any one of them taken by itfelf.

When one accuftomed object appears after an-other, which it does not usually follow, it firfl ex-cites , by its unexpetdednefs, the sentiment pro-perly called Surprife, and afterwards, by the sin-gularity of the succession, or order of its appear-ance, the sentiment properly called Wonder.We ftart and are surprised at feeing it there, andthen wonder how it came there. The motion ofa small piece of iron along a plain table is in itfelfno extraordinary objetd, yet the person who firftsaw it begin, without any visible impulse, in