"In shape they were like horrible toads, and moved in a succession of springs, but in size they were of an incredible bulk, larger than the largest elephant. We had never before seen them save at night, and indeed they are nocturnal animals save when disturbed in their lairs, as these had been. We now stood amazed at the sight, for their blotched and warty skins were of a curious fish-like iridescence, and the sunlight struck them with an ever-varying rainbow bloom as they moved."

-- Arthur Conan Doyle

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