Suddenly she started, as if she heard an approaching footstep, and in maidenly confusion glided to a distance, where she stood with her hands across her bosom, the very picture of a surprised nymph.

Mentally, the dance translated itself to Lambert somewhat after this fashion: "She waits for her lover.

That little run forward means that she sees him coming.

She falls at his feet; she kisses them.

He raises her--I suppose that panther spring from the ground means that he raises her.
She caresses him with much fondling and many kisses.