find likewise among the Ancients that ingenious kind of Conceit, which the Moderns distinguish by the Name of a
Rebus
, that does not sink a Letter but a whole Word, by substituting a Picture in its Place. When
Cæsar
was one of the Masters of the
Roman
Mint, he placed the Figure of an Elephant upon the Reverse of the Publick Mony; the Word
Cæsar