Note 4 — CHAPTER THE FIRST.
Reading edition
The Pomœrium was not the actual wall, but a boundary line, held very sacred by the Romans. It consisted of nothing but the clod turned inwards by the furrow, and, it is probable, that the offensive act of Remus was not his leaping over the wall, but his hopping over the clod, which would, naturally, excite indignation against him as an unmannerly clod-hopper.