Adaptive Coloration in AnimalsMethuen & Company, Limited, 1940 - 508 pages |
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Page 23
... less severe , the change to white is exceptional . The same is true of the Stoat ( Mustela erminea ) , which in winter regularly turns white in the north of Scotland , but less completely and less frequently in England . Similarly the ...
... less severe , the change to white is exceptional . The same is true of the Stoat ( Mustela erminea ) , which in winter regularly turns white in the north of Scotland , but less completely and less frequently in England . Similarly the ...
Page 168
... less so than others . These several devices fall far short of perfection . But they are effective in the sense that by rendering the larvæ less visible , less digestible , or less edible , in each case attack tends to be limited to ...
... less so than others . These several devices fall far short of perfection . But they are effective in the sense that by rendering the larvæ less visible , less digestible , or less edible , in each case attack tends to be limited to ...
Page 178
... less conspicuous and 755 ( 66 per cent . ) for the more conspicuous fishes . The results of these experiments appear all the more remarkable when it is realized that the confined quarters and the total absence of cover or means of ...
... less conspicuous and 755 ( 66 per cent . ) for the more conspicuous fishes . The results of these experiments appear all the more remarkable when it is realized that the confined quarters and the total absence of cover or means of ...
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