The crown is fallen, etc.; rather, the crown of our head is fallen. The Jewish people is compared to a rich man at a banquet, crowned with a diadem (comp. Isaiah 28:1). Jeremiah has a similar phrase in his prophecies (Jeremiah 13:18). It evidently expresses figuratively the prosperity and honour formerly enjoyed by the now vanquished people.
These verses form a transition to the final appeal. The thought of the desolation of Zion overwhelms the spirit of the poet. But he will soon be able to lift himself up again when he recalls the sublime truth of the inviolable security of Israel's God. Foxes; rather, jackals.