194
"De Ignib. cœlest." The description of the prism by Seneca is another instance of the truth of Castel's admission. The Roman philosopher's words are—"Virgula solet fieri vitrea, stricta vel pluribus angulis in modo clavæ tortuosæ; hæc si ex transverso solem accipit colorem talem qualis in arcu videri solet, reddit," &c.
195
"De Sensu et sensili."
196
"Il Figino, overo del Fine della Pittura," Mantova, 1591, p. 249. An account of the absurd invention of the same painter in composing figures of flowers and animals, and even painting portraits in this way, to the great delight of the emperor, will be found in the same work.
197
Such as—
"Her beauty hangs upon the cheek of night,
Like a rich jewel in an Ethiop's ear."
Romeo and Juliet.