I.

AQUEDUCTS—AQUA APPIA AND VIRGO.

Plan of the Springs at the Sources in the Meadows of Lucullus, on the Bank of the River Anio, Excavated in 1868

Plate II.

II.

AQUEDUCTS—AQUA APPIA, SPECUS.

In a Tower of the Porta Capena, under the Cœlian, now a Gardener’s Cottage, Excavated in 1868.