is meant to be mingled in the color. Dante had never seen one of our bog-streams, with its porter-colored foam; and there can be no doubt that, in calling Lethe brown, he means that it was dark slate-gray, inclining to black; as, for instance, our clear Cumberland lakes, which, looked straight down upon where they are deep, seem to be lakes of ink. I am sure this is the color he means; because no clear stream or lake on the Continent ever looks brown, but blue or green; and Dante, by merely taking away the pleasant color, would get at once to this idea of grave clear gray. So, when he was talking of twilight, his eye for color was far too good to let him call it brown in our sense. Twilight is not brown, but purple, golden, or dark gray; and this last was what Dante meant. Farther, I find that this negation of color is always the means by which Dante subdues his tones. Thus the fatal inscription on the Hades gate is written in ‘obscure color,’ and the air which torments the passionate spirits is ‘aer nero,’ black air ( Inferno
1956