These furrows have apparently been cut in situ with a very accurate engine; for not the slightest departure from parallelism can be detected in any of the movable webs relative to the fixed webs.
The stones were laid without mortar, and many of them are still in situ.
The testimony afforded Sources by inscriptions is often of decisive importance, especially that of commemorative or votive tablets or of boundary = stones found in situ; the value of this evidence is, on the other hand, sometimes neutralized owing to the former removal of building material already used and its in corporation in later structures.
During the 18th century many works of art, which still remained in situ, fell a prey to foreign collectors.
The auditorium is in remarkable preservation, almost every seat being still in situ, except a few where the supporting walls have given way on the wings.