The Cubicle of the Sacraments

Early 3rd century
Catacombs of Saint Calixtus

This is the back wall of the cubicle. Above, the figure framed by the two doves is Jonah. Directly below, in the center of this photo, is a Eucharistic banquet. To the left of the banquet, a priest extends his hands in a symbolic epiclesis while a worshipper stands in the orant posture.

To the right of the banquet is a scene with the sacrifice of Abraham. The figures on the far right and far left carry shovels and wear white tunics.

Also available: close-ups of the Eucharistic banquet and the epiclesis.

More of Abraham
More of Jonah

Source: The Christian Catacombs of Rome website