. Concealing-coloration in the animal kingdom; an exposition of the laws of disguise through color and pattern: being a summary of Abbott H. Thayer's discoveries. Animals; Camouflage (Biology). Fig. 8. Rocky Mountain White-tailed Ptarmigan in winter plumage, on snow, and favorably lighted for ineonspicuousness. Rotundity as dimly apparent as is possible without counter-shading. Photographed from life by Edward R. Warren. Fig. 9. Rocky Mountain White-tailed Ptarmigan, in winter plu mage, off snow. Their rotundity, revealed by their lack of counter shading, is marked. But they may still pass for
. Concealing-coloration in the animal kingdom; an exposition of the laws of disguise through color and pattern: being a summary of Abbott H. Thayer's discoveries. Animals; Camouflage (Biology). Fig. 8. Rocky Mountain White-tailed Ptarmigan in winter plumage, on snow, and favorably lighted for ineonspicuousness. Rotundity as dimly apparent as is possible without counter-shading. Photographed from life by Edward R. Warren. Fig. 9. Rocky Mountain White-tailed Ptarmigan, in winter plu mage, off snow. Their rotundity, revealed by their lack of counter shading, is marked. But they may still pass for lumps of snow. Photographed from life by E. R. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Thayer, Gerald Handerson, 1883-1939; Thayer, Abbott Handerson, 1849-1921; Ketchum, Howard, b. 1902, former owner. DSI. New York, The Macmillan Co.
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Keywords: ., bookauthorth, bookcentury1900, bookdecade1900, booksubjectanimals
