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Bowles could have seen it; we used to be deeply immersed, both of us, in the question of the chromatophores, I observing their freakish behaviour in the epidermis of certain frogs, while he studied their action on the human skin and wrote an excellent little paper on sunburn a darker problem than it seems to be. These men and boys do not grow uniformly sunburnt.
Many kinds of fish similarly alter their colour to suit their background by forcing forward or backward certain special pigment-cells known as chromatophores, whose various combinations produce at will almost any required tone or shade.
In the days when he hoped to marry Elizabeth, he sought to impress and charm her, and at the same time to take off something of his burthen of forty years, by wearing the last fancy of the contemporary buck, a costume of elastic material with distensible warts and horns, changing in colour as he walked, by an ingenious arrangement of versatile chromatophores.
Microscopically examined, the pigmentation was found to consist of black and orange chromatophores exactly similar to those of the upper side. Some hundreds of young Flounders were reared at the same time under ordinary conditions and none of them developed pigment.
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