(a species of owlet moth (Noctuid)) Some caterpillars, after they emerge from their egg, can increase their weight by 25,000 times.

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Natural History Museum books

Museum Through a Lens

Museum Through A Lens 180

Visit the Natural History Museum - 100 years ago. Featuring a wealth of stunning black-and-white photographs from the Museum's archives, this book offers a real flavour of life at one of London's oldest and most famous visitor attractions, from Victorian times until just after the Second World War.

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