In the Four Zoas, the children of Los represent a just form of wrath, pity, frustrated desire and logic, which serve as an analysis of Orc's being. In Blake's myth, Orc is seen as the first child of Los with Enitharmon and sometimes either replaced in that position by another or not mentioned as a child at all.
This is copy B of the poem, printed in 1794 and currently held at the Glasgow University Library.
Some scholarship has identified the Snake on the front of ' Europe a Prophecy' as another form of Orc, representing 'the personification of revolutionary energy'.
