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 (Google eBook)

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Macmillan Company, 1909 - Animals - 260 pages
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Page 13 - ... animals are painted by nature darkest on those parts which tend to be most lighted by the sky's light,
Page 213 - Esmeralda ,- it has one spot only of opaque colouring on its wings, which is of a violet and rose hue ; this is the only part visible when the insect is flying low over dead leaves in the gloomy shades where alone it is found, and it then looks like a wandering petal of a flower.
Page 232 - EDWARD B. POULTON, D.Sc., MA, FRS, Hope Professor of Zoology in the University of Oxford, and Fellow of Jesus College, Oxford.* THE following observations were made during the visit of the British Association to South Africa in 1905.
Page 249 - STANFORD UNlVERSlTY LlBRARlES CEClL H. GREEN LlBRARY STANFORD, CALlFORNlA 94305-6004 (415) 723-1493 All books may be recalled after 7 days DATE DUE 280...
Page 3 - This discovery that patterns and utmost contrasts of color (not to speak of appendages) on animals make wholly for their 'obliteration,' is a fatal blow to the various theories that these patterns exist mainly as nuptial dress, warning colors, mimicry devices (ie, mimicry of one species by another), etc., since these are all attempts to explain an entirely false conception that * In the case of the weasel family, this exception is doubtless a large one.
Page 18 - The reader .... is now in a position to perceive the fallacy of the statement, prevalent in former years, and still made by certain writers, that a protectively colored animal of the type described above escapes detection because, being of a dull brown color like the ground and the bushes, it looks when it sits motionless like a clod or a stump or some such inanimate thing. For clods and stumps are solid objects of...
Page 11 - ... one of the most difficult to see, either by the hunter who follows it or by the animal on which it preys. But the cougar is found in every kind of country -in northern pine woods, in thick tropical forests, on barren plains, and among rocky mountains. Mr. Thayer in his introduction states that "one may read on an animal's coat the main facts of his habits and habitat, without ever seeing him in his home.
Page 8 - This book demonstrates that the colors, patterns, and appendages of animals are the most perfect imaginable effacers under the very circumstances wherein such effacement would most serve the wearer.
Page 22 - ... converse of shading, the whiteness neutralising the shadow which shading is intended to represent, -dies off gradually as the midrib is approached. The whiteness is produced by the relative abundance of white dots and a fine white marbling of the surface which is present everywhere, mingled with the green. The effect is, in fact, produced by a process exactly analogous to stippling. By this beautiful and simple method a pupa, which is 8'5 mm. from side to side in its thickest part, appears...

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