A favorite design of the men of the Bronze Age in Europe is the spiral
or double-spiral form. It appears on the face of the urn in the shape of
a lake dwelling, which is given on p. 255; it also appears in the rock
sculptures of Argyleshire, Scotland, here shown.

We find the same figure in an ancient fragment of pottery from the
Little Colorado, as given in the "United States Pacific Railroad Survey
Report," vol. iii., p. 49, art. Pottery. It was part of a large vessel.
The annexed illustration represents this.

DISCOIDAL STONES, ILLINOIS.

COPPER SPEAR-HEAD, LAKE SUPERIOR.

BRONZE HATCHETS, SWITZERLAND.

The same design is also found in ancient rock etchings of the Zunis of
New Mexico, of which the cut on p. 265 is an illustration.

We also find this figure repeated upon vase from a Mississippi Valley
mound, which we give elsewhere. (See p. 260.)

It is found upon many of the monuments of Central America. In the
Treasure House of Atreus, at Mycenae, Greece, a fragment of a pillar was
found which is literally covered with this double spiral design. (See
"Rosengarten's Architectural Styles," p, 59.)

This Treasure House of Atreus is one of the oldest buildings in Greece.

We find the double-spiral figure upon a shell ornament found on the