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Mast, S. O. 1916. Changes in Shade, Color, and Pattern in Fishes, and their Bearing on the Problems of Adaptation and Behavior, with Especial Reference to the Flounders Paralichthys and Ancylopsetts. Washington, DC : Government Printing Office. Bulletin of the United States Bureau of Fisheries, vol.34, 1914; Plate XXXIII-56

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