*Every pond, big or small, natural or man-made, is a world on its own. Around, and beneath the surface is vigorous, active and unique life. There is a spider living inside a bubble-house; a larva with its own snorkel tube; a Boatman Beetle that rows itself about with its own hind legs; another beetle, a Whirligig Beetle, that whirls round and round so fast the eye can scarcely follow it, and many, many more weird and wonderful animals.* *A pond may look like just another patch of water, but beneath the green scum that often covers its surface, many amazing things are happening.*