architectural terracottas from, i.
98, ii.
315,
317;
vases with reliefs from, i.
496, ii.
292;
painted slabs from, ii.
299,
319;
Regulini-Galassi tomb at, ii.
300;
abecedaria from, ii.
311;
Clay, earliest working in, i.
5 ff.;
used for bricks and tiles, i.
90 ff., ii.
333 ff.;
for porcelain objects, i.
127;
nature of, for terracotta figures, i.
113, ii.
380;
for mural reliefs, ii.
366;
for Roman pottery, ii.
434 ff.,
548;
preparation of, for vases, i.
202 ff.;
representations of digging for, ii.
170