the type of fabric under consideration.

[Footnote 4: Putnam, F. W., in Vol. VII of Surveys West of the
100th Meridian, page 244.]

This method of weaving is still practiced by some of the western tribes,
as may be seen by a visit to the national collection.

A somewhat complicated arrangement of the threads may be seen in
the fabric shown in Fig. 97. It is clearly only a variation of the
combination just described. The manner in which the threads pass over,
under, and across each other can be more easily understood by reference
to the figure than by any description. It comes from one of the
Northwest coast tribes.

[Illustration: Fig. 97.--Modern fabric, Northwest coast.]


FOURTH GROUP.

A fourth form of fabric, illustrated in Fig. 98, is of very rare
occurrence on our fictile remains.

[Illustration: Fig. 98.--Diagonal fabric, ancient pottery of
Tennessee.]

It is a very neatly woven diagonal from the ancient pottery of Polk
County, Tennessee. Two series of cords have been interwoven at right
angles to each other, but so arranged as to produce a diagonal pattern.
One series of the cords is fine and well twisted, the other coarser and