God commands Moses to avenge Israel of the Midianites, ver. 1, 2. Moses sends them to the war, ver. 3-6. They slay the Midianites, ver. 7-12. He reproves them for sparing the women, ver. 13-18. Directions for purifying themselves, ver. 19-24. The distribution of the spirit, ver. 25-47. The free-will-offering of the officers, ver. 48-54.