Counter-illumination differs from countershading, which uses only pigments such as melanin to reduce the appearance of shadows. It is one of the dominant types of aquatic camouflage, along with transparency and silvering. All three methods make animals in open water resemble their environment.
Harper is a Scottish family name that has also commonly used as a given name. The name is believed to have originated in the Dalriadan region of Scotland, especially in the Lennox district, and is associated with Clan Buchanan.
The Code of the Harpers is an accessory for the fictional Forgotten Realms campaign setting for the second edition of the Advanced Dungeons & Dragons fantasy role-playing game. The book, with product code TSR 9390, was published in 1993, and was written by Ed Greenwood, with cover art by Jeff Easley and interior art by Scott Rosema. Contents