The Serpent at the Sleeper's Head

From D13.20.1, Bozorgmehr Interprets the Dream. It illustrates D13.20.1.43–51:

D13.20.1.43
When food and rest were due, they reached a placeWith water, trees, and shadow’s calm embrace.
D13.20.1.44
Beneath broad boughs, they left their mounts to eat,Then rested quietly in that retreat.
D13.20.1.45
While Bozorgmehr slept, sheltered by the bough,His mantle drawn across his face and brow,
D13.20.1.46
His noble guide, still wakeful, saw with dreadA snake draw back the mantle from his head.
D13.20.1.47
It sniffed him closely, down from head to feet,Then climbed the tree and left the shaded seat.
D13.20.1.48
When that black serpent scaled the tree-stem high,The youth awoke and looked with troubled eye.
D13.20.1.49
The serpent saw him wake and start in fear,Then vanished through the shadowed branches near.
D13.20.1.50
The envoy, struck with wonder and with awe,Called down God’s name upon the youth he saw.
D13.20.1.51
He thought, “This wise young man will rise to fame;Great Fortune surely gathers round his name.”