When they hold no proportion, the sly charms

Of the Witch Policy makes him like a monster.

(III. i. 22.)

Compare Antony’s words:

Sometime we see a cloud that’s dragonish:

A vapour sometimes like a bear or lion ...

.... Here I am Antony:

Yet cannot hold this visible shape.

(IV. xiv. 2 and 13.)

It is hard to believe that there is no connection between these passages, and if there is Shakespeare must have been the debtor; but as Bussy d’Ambois was acted before 1600, this loan is without much value as a chronological indication.