Heads of devils. Coloured etching by R. Griffith after Francis Barrett, 1801.

The devils are described by Barrett as wandering over different parts of the earth, disguising themselves as asps, basilisks, owls, storks, scorpions etc. or shrinking themselves to the size of pigmies, and vexing men, deluding them, harming them, in different ways. Abaddon is one who destroys and wastes, Astaroth is the searcher out (equivalent to Diabolus, the accuser or calumniator), Mammon is the prince of tempters and snarers, spreading covetousness