which is built the Ponte dell' Ospedalato, and on the south, the
depression running parallel to the Via degli Arconi, and containing the
modern road from S. Rocco to Cave.

From the natural limits of the town itself we now pass to what would
seem to have been the extent of territory dependent upon her. The
strongest argument of this discussion is based upon the natural
configuration of the land. To the west, the domain of Praeneste
certainly followed those long fertile ridges accessible only from
Praeneste. First, and most important, it extended along the very wide
ridge known as Le Tende and Le Colonnelle which stretches down toward
Gallicano. Some distance above that town it splits, one half, under the
name of Colle S. Rocco, running out to the point on which Gallicano is
situated, and the other, as the Colle Caipoli, reaching farther out into
the Campagna. Along and across this ridge ran several ancient roads.[10]
With the combination of fertile ground well situated, in a position
farthest away from all hostile attack, and a location not only in plain
sight from the citadel of Praeneste, but also between Praeneste and her
closest friend and ally, Tibur, it is certain that in this ridge we have
one of the most favored and valuable of Praeneste's possessions, and
quite as certain that Gallicano, probably the ancient Pedum,[11] was one
of the towns which were dependent allies of Praeneste. It was along this
ridge too that probably the earlier, and certainly the more intimate
communication between Praeneste and Tibur passed, for of the three
possible routes, this was both the nearest and safest.[12]

[Illustration: PLATE I. Praeneste, on mountain in background; Gallicano,
on top of ridge, in foreground.]

The second ridge, called Colle di Pastore as far as the Gallicano cut,