Conchylium, conchylij. Plin. A shell sishe, the licour inherenf maketh purple or violet, called also Mutex: also enery shell sish. Lubrica conchylia. Horat. Ex conthylij concha incisa colligitur succus tingendis vestibus expetitus. Plin. Conchylium. Plin. The purple or violet colour.