(b) The _patterns_ with which they are decorated;

(c) The _imitation_ of the surrounding animals, e.g. the Deer
scratched on the horn at the British Museum.


Imitation was afterward applied to the vegetable creation; and much of
what is termed Ornament was derived from that class of elements.

The ELEMENTS OF DECORATION are the material used by the Artist. They
might be considered to include everything that is visible; but since
Decoration is a result of the æsthetic instinct, the field is narrowed
to such as are pleasing _at the first glance_. And the selection is
further limited to such as are suitable to the shape and size of
objects.

They may be classified according to their relative Dignity, as
follows:

The Human form,
Animal forms,
Natural foliage,
Artificial objects,
Artificial foliage, and
Geometrical figures.


§ 2.--THE TWO KINDS OF FOLIAGE.

A Distinction is made between natural and artificial foliage. They