_Egyptian._--Characteristics: symbolic, severe,
simple, grand, massive. Conventional forms of lotus,
papyrus, etc. Oblique lines.
_Greek._--Characteristics: æsthetic, simple,
harmonious, beautiful. Conventional forms, anthemion,
acanthus. Ellipse.
_Roman._--Characteristics: elaborate, rich, costly.
Conventional forms, acanthus scroll, monsters. Circle.