It wasnarrated from Ibn 'Abbas:
"And certainly, the Shayatin(devils)do inspire their friends (from mankind)." [6:121] He said:"Theyused to say: 'Whatever the Name of Allah has been mentionedover,do not eat it, and whatever the Name of Allah has not beenmentionedover, eat it.' Then Allah said: "Eat not of that over whichAllah's Name has not been pronounced.'" [6:121]
English reference: Vol. 4, Book 27, Hadith 3173
Arabic reference: Book 27, Hadith 3294