Genesis 15:10

15:10 So Abram took all these for him and then cut them in two and placed each half opposite the other, but he did not cut the birds in half.

Genesis 15:17-18

15:17 When the sun had gone down and it was dark, a smoking firepot with a flaming torch passed between the animal parts. 15:18 That day the Lord made a covenant with Abram: “To your descendants I give this land, from the river of Egypt to the great river, the Euphrates River –