Note 204 — Chapter VI · PARTHIAN AND SASSANIAN ARCHITECTURE.

These are expedients for filling up the corners of square lower storeys on which it is intended to place a circular superstructure. They somewhat resemble very large brackets or great coves placed in an angle. Examples of them are shown on page 434 when speaking of Byzantine architecture, and others will be found in the chapter on Mahomedan Architecture in India, in vol. iii.