11. the skin of the bullock, and all his flesh—In ordinary circumstances, these were perquisites of the priests. But in the expiation necessary for a sin of the high priest, after the fat of the sacrifice was offered on the altar, the carcass was carried without the camp [Le 4:12], in order that the total combustion of it in the place of ashes might the more strikingly indicate the enormity of the transgression, and the horror with which he regarded it (compare Heb 13:12, 13).

     14-17. brought the bullock for the sin offering, &c.—a timely expression of their sense of unworthiness—a public and solemn confession of their personal sins and a transference of their guilt to the typical victim.