Severian is elevated to apprentice and he has a dream-vision.
Hadrian's Day (73.3/3) Hadrian is the patron saint of the Autarch's soldiers.
Barbara (73.3/3) Barbara is the patron saint of the matrosses.
Mag (73.3/3) Mag is the patron saint of the witches.
Katharine (73.4/4) Katharine is the patron saint of the torturers.
flambaeux (74.1/5) a torch, especially one made of several thick wicks dipped in wax.
beeves (74.1/5) the antiquated plural of beef, or a good name for a dwarvish butler.
capybaras (74.1/5) the largest extant rodent quadruped, closely related to the guinea pig; it lives around the rivers of tropical South America and habits much like those of a muskrat.
agoutis (74.1/5) a short-eared animal the size and appearance of a hare; common in the West Indies and adjacent parts of South America.
Maxentius (74.8/12) the autarch who order Holy Katharine to be executed; also the Roman Emperor who order Saint Catherine to be killed in our world.
shewbread (77.2/36) bread displayed upon an altar.
74.6/10 "...in the years before the ice came ..." This points toward a recent or current ice age.
77.2/36 Severian notes the painted sky, "... I was struck by how much it was than the true sky, whose blue is nearly black even on the brightest day." A reminder that the narrative is so far in the future that the sun is failing. It also indicates the antiquity of the Citadel. The ceiling is painted a brighter blue. The space craft has been grounded and used as a building for so long that the sky was lighter when it was painted.