But underneath, they are tinged with a faint pink or rose-colour.

Those born in spring have wings of a brilliant green, green as grass; and towards the edges the feathers are enamelled like the surface of the grass-blades.

These again are white within.

Those that are born in summer have wings of a deep rose-colour, lined with pale gold.

And those born in autumn have purple wings, with a rich brown on the inside.