Samuel Ball Platner, Thomas Ashby, A Topographical Dictionary of Ancient Rome

PORTA CATULARIA

known only from a statement in Festus (45): catularia porta Romae dicta est quia non longe ab ea ad placandam caniculae sidus... rufae canes immolabantur. Its size is quite uncertain, as well as its purpose (CIL ip. p. 317; Gilb. i. 90-91 ; Richter 385; WR 196); and it certainly was not in the city wall.