Genesis 15:17 in the World English Bible
It came to pass that, when the sun went down, and it was dark, behold, a smoking furnace and a flaming torch passed between these pieces.
Context
16 But in the fourth generation they shall come hither again: for the iniquity of the Amorites is not yet full.
17 And it came to pass, that, when the sun went down, and it was dark, behold a smoking furnace, and a burning lamp that passed between those pieces.
18 In the same day the LORD made a covenant with Abram, saying, Unto thy seed have I given this land, from the river of Egypt unto the great river, the river Euphrates: