Exodus 9:8 Cross References - Thomson

⁸ Then the Lord spoke to Moses and Aaron saying, Take handfuls of ashes from the furnace; and let Moses scatter them towards heaven in the presence of Pharao and before his attendants

¹⁶ Then the Lord said to Moses, Say to Aaron, Stretch forth thy staff with thy hand and smite the dust of the ground, and there shall be stinging gnats among the men and the four footed beasts throughout all the land of Egypt.