\vhcther p.l^iu pi ornamented, aiv liiii,lily 

 injurious to the proposed effect; and more 

 so in a bridoc, tlian'in aiiy other building. 

 Perhaps no "Ipuilding of equal soHdity,.has so 

 light an appearance as a light stone bridge ; 

 and that 1 imagine is ov»ing to the small 

 jiroportion of ^vhat is closed up, compared 

 Avith Avhat is open; to the form of the open- 

 ings ; and to the pecnliarity of situation, 

 from v/hicli a bridge seems, as it were, to 

 pass from one side of a river to tlie 

 other, with something analogous to mo- 

 tion : and this method of considering such 

 objects, though it may appear fantastic, 

 will, I believe, lead to A'ery just princi- 

 ples. 



Whatever gives the idea of easy and 

 rapid motion, gives in the same propor- 

 tion that of lightness ; and, on the other 

 hand, whatever impresses the idea of resis- 

 tance to motion, in the same proportion 

 q^o, ^inipresses th^t of massiveness.* It is 



* All the circuiTistanoes of lightness, and of massivenesf, 

 together with its resistance to motion, are finely opposed to 

 ^•acb other in Milton's battle of the Angels : 



