Salt bread

Contemplating the likelihood that he will be evicted from the tower, or shun it in response to Mulligan's claim of ownership, Stephen thinks, "Now I eat his salt bread." He is recalling a powerful moment in The Divine Comedy when Dante learns from his ancestor Cacciaguida that he will be exiled from Florence.

JH 2011

Internal staircase (improved by electric lighting) in another Martello tower at Sutton, on the northern edge of Dublin. Source:

Gustave Doré's 1868 illustration of Dante and Beatrice meeting Dante's ancestor Cacciaguida in Paradiso 16. Source: Wikimedia Commons.