Tea would arrive, the cakes squatting on cushions of cream, toast in a melting shawl of butter, cups agleam and a faint wisp of steam rising from the teapot shawl.

We stared at the odd garment and wondered what it was for. 'What is it?' asked Larry at length. 'It's a bathing costume, of course,' said Mother. 'What on earth did you think it was?' 'It looks like a badly skinned whale,' said Larry, peering at it closely.

The great ecosystems are like complex tapestries - a million complicated threads, interwoven, make up the whole picture. Nature can cope with small rents in the fabric; it can even, after a time, cope with major disasters like floods, fires, and earthquakes. What nature cannot cope with is the steady undermining of its fabric by the activities of man.

You cannot begin to preserve any species of animal unless you preserve the habitat in which it dwells. Disturb or destroy that habitat and you will exterminate the species as surely as if you had shot it. So conservation means that we have to preserve forest and grassland, river and lake, even the sea itself. This is vital not only for the preservation of animal life generally, but for the future existence of man himself - a point that seems to escape many people.

I do wish you wouldn't argue with me when I'm knitting.

Until we consider animal life to be worthy of the consideration and reverence we bestow upon old books and pictures and historic monuments, there will always be the animal refugee living a precarious life on the edge of extermination, dependent for existence on the charity of a few human beings.

Among the myrtles the mantids moved, lightly, carefully, swaying slightly, the quintessence of evil. They were lank and green, with chinless faces and monstrous globular eyes, frosty gold, with an expression of intense, predatory madness in them. The crooked arms, with their fringes of sharp teeth, would be raised in mock supplication to the insect world, so humble, so fervent, trembling slightly when a butterfly flew too close.