Complex sentence: Although women were present at most public ceremonies and festivals, the religious authorities in Roman society were the male pontiffs and augurs, and women could not lawfully perform rites at night, unless "offered for the people in proper form".
Split into simpler sentences: Although women were present at most public ceremonies and festivals, the religious authorities in Roman society were the male pontiffs and augurs. Women could not lawfully perform rites at night, unless "offered for the people in proper form".