n in with the fabric. By
other devices certain parts of the fillets are made to stand out from
the surface in sharp points and in ridges, forming geometric figures,
either normal or added elements being employed. Another device is
shown in Fig. 331. Here a pattern is secured by carrying dark fillets
back and forth over the light colored fabric, catching them down at
regular intervals during the process of weaving. Again, feathers and
other embellishing media are woven in with the woof. Two interesting
baskets procured from the Indians of the northwest coast are shown in
Figs. 332 and 333. Feathers of brilliant hues are fixed to and woven
in with certain of the woof strands, which are treated, in the
execution of patterns, just as are ordinary colored threads, care
being taken not to destroy the beauty of the feathers in the process.
The richly colored feathers lying smoothly in one direction are made
to represent various figures necessarily geometric. This simple work
is much surpassed, however, by the marvelous feather ornamentation of
the Mexicans and Peruvians, of which glowing accounts are given by
historians and of which a few meager traces are found in tombs. Much
of the feather work of all nations is of the nature of embroidery and
will receive attention further on. A very clever device practiced by
the northwest coast tribes consists in the use of two woof strands of
contrasting colors, one or the other being made to appear on the
surface, as the pattern demands.

[Illustration: FIG. 330. Ornament produced by wrapping certain light
fillets with darker ones before weaving. Mexican work.]

[Illustration: FIG. 331. Ornamental effect secured by weaving in
series of dark fillets, forming a superficial device. Work of the
Klamath Indians.]

[Illustration: FIG. 332. Baskets ornamented with feather work.
Northwest coast tribes--1/4.]

[Illustration: FIG. 333. Baskets ornamented with feather work.
Northwest coast tribes--1/4.]

An example from a higher grade of art will be of value in this
connection. The ancient Peruvians resorted to many clever devices for
purposes of enrichment. An illustration of the use of
extra-constructional means to secure desired ends are given in Figs.
334 and 335. Threads constituting a supplemental warp and woof are
carried across the under side of a common piece of fabric, that they
may be brought up and woven in here and there to produce figures of
contrasting color upon the right si