The Egyptian Book of the dead by P. Le Page Renouf and Edouard Naville

6. The earliest text says nothing of this, though it mentions the

“prison of Sutech,” in a passage corresponding to what the papyri include in the ‘Words of Power’ which follow. The Turin _Todtenbuch_ says that, “Sutu is put into his prison, and that a chain of steel is put upon his neck.” Pictures of the serpent with the chain upon him will be found in Bonomi, _Sarcoph._, plates 10 and 11.[93] There is an evident fusion in this chapter, in its later form at least, as in