Note 343 — Chapter III · APSE VAULTS
Reading edition
Porter, Cons. of Lombard and Gothic Vaults, Fig. 62. There are also a number of churches of the more developed period in which somewhat similar ribbed half domes are found, though these are frequently laid up in flat gores over polygonal apses. Examples include: Worms, Cath.; west apse, see Fig. 58; Florence, Cath. east and transept apses.