Elsewhere, Ryder describes ‘hag-ridden nights’, the night being where dangers lurk, real or imagined. May you be spared such hag-ridden or jackal-haunted moments.
‘Such a prospect perhaps as a high pinnacle of the temple afforded after hungry days in the desert and the jackal-haunted nights.’
Source: Evelyn Waugh, Brideshead Revisited: The Sacred and Profane Memories of Captain Charles Ryder (Harmondsworth: Penguin, 1968 (1945)), p. 306