s some variations from the type, double strips of bast
being bound by a woof consisting of alternate strips of bast and cords.
It is from Robenhausen.

[Illustration: Fig. 88.--Fabric from the Lake Dwellings,
Switzerland.]

In Figs. 89 and 90 we have typical examples from the same locality. The
woof series seems to consist of untwisted strands of bast or flax.

[Illustration: Figs. 89 and 90.--Fabrics from the Lake Dwellings,
Switzerland.]

THIRD GROUP.

A third form of fabric is distinguished from the last by marked
peculiarities in the combinations of the threads. The threads of the
warp are arranged in pairs as in the last form described, but are
twisted in such a way as to inclose two of the opposing series instead
of one, each succeeding pair of warp threads taking up alternate pairs
of the woof threads, as shown in the section, Fig. 91. This is a very
interesting variety, and apparently one that would possess coherence and
elasticity of a very high order.

[Illustration: Fig. 91.--Section.]

In Fig. 92 a simple scheme of plaiting or weaving this material is
suggested. It will be seen to differ from the last chiefly in the way
in which the woof is taken up by the warp.

[Illustration: Fig. 92.--Theoretical device for weaving third group.]

The ancient pottery of the Mississippi Valley furnishes many examples of
this fabric. It is made of twisted cords and threads of sizes similar to
those of the other work described, varying from the weight of ordinary
spool cotton to that of heavy twine. The mesh is generally quite open.

In Fig. 93 we have a very well preserved example from Reelfoot Lake,
Tennessee. It was obtained from a large fragment of coarse pottery.
Other pieces are nearly twice as coarse, while some are much finer.

[Illustration: Fig. 93.--From the ancient pottery of Tennessee.]

Figs. 94 and 95 are finer specimens from the same locality.

[Illustration: Fig. 94. Fig. 95.
From the ancient pottery of Tennessee.]

We have also good examples from Saline River, Illinois. They are
obtained from fragments of the gigantic salt vessels so plentiful
in that locality.

The upper figure of Plate XXXIX illustrates one of these specimens.
Other examples hare been obtained from Roane County, Tennessee.

A piece of charred cloth from a mound in Butler County, Ohio, has been
woven in this manner. Foster has described examples of the two preceding
forms from the sa