1. A number of our people have narrated from Sahl ibn Ziyad from Ahmad ibn Muhammad from ibn abu Nasr from al-‘Ala’ from Muhammad ibn Muslim who has said the following: “I once asked one of the two Imam, (abu Ja‘far or abu ‘ Abd Allah), ‘Alayhim al-Salam, about the eggs that I may find in the wilderness. He (the Imam) said,

’Do not eat unless the shape of its both ends is different.’”