"The Purple Emperor"@en . "Unrelated to the Carcosa Mythos, Robert W. Chambers wrote a story about rival butterfly collectors called The Purple Emperor. It is named for a type of butterfly. Will Murray has also written a story of the same title that does connect to the Carcosa Mythos. See also Emperors."@en . . "Unrelated to the Carcosa Mythos, Robert W. Chambers wrote a story about rival butterfly collectors called The Purple Emperor. It is named for a type of butterfly. Will Murray has also written a story of the same title that does connect to the Carcosa Mythos. See also Emperors."@en .