COKTE1VTS. 



Page. 



Introductory 443 



Origin of form 445 



By adventitkm 445 



By imitation 445 



By invention 450 



Modification of form 450 



By adventition 450 



By intention 452 



Origin of ornament 453 



From natural objects 454 



From artificial objects 455 



Functional features 455 



Constructional features 456 



From accidents attending construction 457 



From ideographic and pictorial subjects 457 



Modification of ornament 457 



Through material 458 



Through form 458 



Through methods of realization 45'J 



439 



