Slowly and awkwardly it moves around its implanted weapon, describing a semicircle whose centre is the point of the drill, and then another semicircle in the reverse direction.

This is repeated over and over again; the movement, in short, is identical with that we give to a bradawl when boring a hole in a plank.
Little by little the rostrum sinks into the acorn.

At the end of an hour it has entirely disappeared.

A short period of repose follows, and finally the instrument is withdrawn.

What is going to happen next?
Nothing on this occasion.