Adaptive Coloration in AnimalsMethuen & Company, Limited, 1940 - 508 pages |
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Page 41
... river bottom ; and it is interesting to note that the dorsal colour appears frequently to be in close harmony with the dominant note in the environment - the blackish - brown in the Herring ( Clupea harengus ) is practically invisible ...
... river bottom ; and it is interesting to note that the dorsal colour appears frequently to be in close harmony with the dominant note in the environment - the blackish - brown in the Herring ( Clupea harengus ) is practically invisible ...
Page 42
... rivers the metallic shades worn by marine forms are replaced by the familiar olivaceous and brownish tones displayed on the upper parts of numerous fresh - water fishes such as River Trout , Pike , and Perch . When , on the other hand ...
... rivers the metallic shades worn by marine forms are replaced by the familiar olivaceous and brownish tones displayed on the upper parts of numerous fresh - water fishes such as River Trout , Pike , and Perch . When , on the other hand ...
Page 100
... river weeds against which it is likely to be seen . The vertical stripes of the Tiger provide a parallel example from a very different environment . A beautiful instance of the same kind has been described from the Chaco by Professor ...
... river weeds against which it is likely to be seen . The vertical stripes of the Tiger provide a parallel example from a very different environment . A beautiful instance of the same kind has been described from the Chaco by Professor ...
Contents
SEASONAL DIMORPHISM | 17 |
MORPHOLOGICAL COLOUR | 24 |
OBLITERATIVE SHADING | 35 |
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Common terms and phrases
adaptive coloration advertisement African antennæ aposematic aposematic animals appearance attack attitude autotomy bees behaviour birds body brown Bufo butterflies camouflage caterpillars chromatophores closely colour colour-scheme concealing coloration conspicuous contrast correlated countershading crab creatures Crustacea cryptic coloration cryptic resemblance dark deceptive defence device display disruptive pattern dorsal eaten Edward Poulton effect eggs enemies environment evidence example exhibited experiments exposed fact feeding fishes frogs function genus grasshoppers green grey group of animals habits Hingston Hymenoptera illustrated insects instance instinct larva larvæ later leaf Lepidoptera light lizards mammals markings mimetic mimicry moths nature nest nidifugous Nightjars nocturnal observed optical Orthoptera phenomena pigment Poulton predators predatory prey principle procryptic protective referred relation remarkable rest seen shade significant similar snakes species specimens spider Stone-Curlew striking surface surroundings tail tegmina tion toads tone various visual warning coloration widely wings yellow Zool