For such a swarm to collect as I found in my laboratory the moths must have come from all directions, from the whole district, and within a radius that I dare not guess at.
Three years went by and by chance two more cocoons of the Monk or Oak Eggar again fell into my hands.

Both produced females, at an interval of a few days towards the middle of August; so that I was able to vary and repeat my experiments.
I rapidly repeated the experiments which had given me such positive results in the instance of the Great Peacock moth.

The pilgrims of the day were no less skilful at finding their mates than the pilgrims of the night.

They laughed at all my tricks.

Infallibly they found the prisoners in their wire-gauze prisons, no matter in what part of the house they were placed; they discovered them in the depths of a wall-cupboard; they divined the secret of all manner of boxes, provided these were not rigorously air-tight.