Hermes’ role in the battle of Horus and Typhon

“Now the battle, as they relate, lasted many days and Horus prevailed. Isis, however, to whom Typhon was delivered in chains, did not cause him to be put to death, but released him and let him go. Horus could not endure this with equanimity, be laid hands upon his mother and wrested the royal diadem from her head; but Hermes put upon her a helmet like upon the head of a cow. Typhon formally accused Horus of being an illegitimate child, but with the help of Hermes to plead his cause it was decided by the gods that he also was legitimate. Typhon was then overcome in two other battles. Osiris consorted with Isis after his death, and she became the mother of Harpocrates, untimely born and weak in his lower limbs.” – Plutarch, On Isis and Osiris 358d-e