confused with each other, Illustration I]

First Prehistoric Age, 8000?-7000? B.C.
Cemeteries of round or oval pits on the desert; no towns known. Red
faced pottery, often with lustrous black top, earliest with patterns
of white slip lines: all hand-made. Block figures of ivory or paste.
Combs with long teeth and animal tops.

Second Prehistoric Age, 7000?-5500 B.C.
Graves, square pits. Red faced, and much coarse brown pottery. Buff
with red painting of cordage, spirals, and ships. Pot forms copied
from stone. Some pots globular with wavy ledge handles, changing to
cylinders with wavy band. Slate palettes in all prehistoric periods.

Early Dynasties, 5500-4700 B.C.
Towns and cemeteries. Great mastabas of brick. Wooden coffins begin.
Great jars; hard, wheel-made pottery. Glazed tiles, &c. Stone bowls
common. Cylinder sealings on clay.

Pyramid Period, IV-Vl Dynasties, 4700-4000 B.C.
Sculptured stone tomb-chapels. Diorite bowls. Thick brown pot
offering bowls. Limestone statues, painted. Cornelian amulets in
strings.

Vl-XI Dynasties, 4200-3600 B.C.
Copper mirrors begin. Buttons, wide face, un-Egyptian work. Pottery
models of houses placed on grave edge.

Middle Kingdom, Xll-XIII Dynasties, 3600-2900 B.C.
Brick pyramids. Large rock tomb-chapels, painted. Hard drab pottery.