1 Moses and Aaron are encouraged to go again to Pharaoh.
7 Their age.
8 Aaron's rod is turned into a serpent.
11 The sorcerers do the like; but their rods are swallowed up by Aaron's.
13 Pharaoh's heart is hardened.
14 God's message to Pharaoh.
19 The river is turned into blood; and the consequent distress of the Egyptians.
