a colored one set into its place and made to fill its office while it
remained; but we find that in many classes of work the colored
elements were added to the essential parts, not substituted for them,
although they are usually of use in perfecting the fabric by adding to
serviceability as well as to beauty. This is illustrated, for example,
by the doubling of one series or of both warp and woof, by the
introduction of pile, by wrapping filaments with strands of other
colors, or by twisting in feathers. Savage nations in all parts of the
world are acquainted with devices of this class and employ them with
great freedom. The effects produced often correspond closely to
needlework, and the materials employed are often identical in both
varieties of execution.

The following examples will serve to illustrate my meaning. The effect
seen in Fig. 330 is observed in a small hand wallet obtained in
Mexico. The fillets employed appear to be wide, flattened straws of
varied colors. In order to avoid the monotony of a plain checker
certain of the light fillets are wrapped with thin fillets of dark
tint in such a way that when woven the dark color appears in small
squares placed diagonally with the fundamental checkers. Additional
effects are produced by covering certain portions of the filaments
with straws of distinct color, all being woven 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