Note 612 — Chapter III

See a fresco by Andrea del Sarto at St. Salvi, Florence, two of the fifteenth century at Perugia, and an engraving in a copy of Dante printed at Florence in A. D. 1491. In an example given in Ames’ Typography, a triangular jewel is appended to the three-faced head, the inscription on which attempts to explain mathematically the mysterious doctrine of the unity in trinity. This mystery was also symbolized by the shape of some of the ancient monasteries, by the number of their cloistered inmates, by the genuflections of the service and the parts of the liturgy; and even the bell and