[Footnote 59: By the discovery of cochineal, &c., we far surpass
the colors of antiquity. Their royal purple had a strong smell,
and a dark cast as deep as bull's blood - obscuritas rubens,
(says Cassiodorus, Var. 1, 2,) nigredo saguinea. The president
Goguet (Origine des Loix et des Arts, part ii. l. ii. c. 2, p.
184 - 215) will amuse and satisfy the reader. I doubt whether
his book, especially in England, is as well known as it deserves
to be.]