tion and the embellishment of a single object
or in the same piece of fabric. A good, though very simple,
illustration of this is shown in the tray or mat presented in Fig.
286. In this case a border, varying from the center portion in
appearance, is obtained by changing one series of the filaments from a
multiple to a single arrangement.

[Illustration: FIG. 307. Conical basket of the Klamath Indians of
Oregon, showing peculiar twined effect and an open work border--1/8.]

The conical basket shown in Fig. 307 serves to illustrate the same
point. In this case a rudely worked, though effective, border is
secured by changing the angle of the upright series near the top and
combining them by plaiting, and in such a way as to leave a border of
open work.

Now the two types of construction, the interlaced and the twined, some
primitive phases of which have been reviewed and illustrated, as they
are carried forward in the technical progress of the art, exhibit many
new features of combination and resultant surface character, but the
elaboration is in all cases along lines peculiar to these types of
weaving.

Other types of combination of web and woof, all tapestry, and all
braiding, netting, knitting, crochet, and needle work exhibit
characters peculiar to themselves, developing distinct groups of
relieved results; yet all are analogous in principle to those already
illustrated and unite in carrying forward the same great geometric
system of combination.

_Reticulated work._--A few paragraphs may be added here in regard to
reticulated fabrics of all classes of combination, as they exhibit
more than usually interesting relievo phenomena and have a decided
bearing upon the growth of ornament.

In all the primitive weaving with which we are acquainted definite
reticulated patterns are produced by variations in the spacings and
other relations of the warp and woof; and the same is true in all the
higher forms of the art. The production of reticulated work is the
especial function of netting, knitting, crocheting, and certain
varieties of needlework, and a great diversity of relieved results are
produced, no figure being too complex and no form too pronounced to be
undertaken by ambitious workmen.

In the following figures we have illustrations of the peculiar class
of primitive experiments that, after the lapse of ages, lead up to
marvelous results, the highest of which may be found in the exquisite
laces of cultured pe