Adaptive Coloration in AnimalsMethuen & Company, Limited, 1940 - 508 pages |
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Page 105
... observed . Swynnerton has also drawn atten- tion to a second cryptic effect of this habit , which in addition to reducing the shadow to a minimum , at the same time causes shadows of the nervures on the wing membrane itself to break up ...
... observed . Swynnerton has also drawn atten- tion to a second cryptic effect of this habit , which in addition to reducing the shadow to a minimum , at the same time causes shadows of the nervures on the wing membrane itself to break up ...
Page 269
... observation that it was never seen to be taken by Trout , even on occasions when considerable hatches of the insect were observed ( 427 ) . Now it is significant that H. sulphuria , the Yellow May Dun , is a vivid yellow colour which ...
... observation that it was never seen to be taken by Trout , even on occasions when considerable hatches of the insect were observed ( 427 ) . Now it is significant that H. sulphuria , the Yellow May Dun , is a vivid yellow colour which ...
Page 292
... observed under practically natural conditions . The various procryptic frogs unearthed were eagerly eaten . But the Seriema was under no misapprehension as to the unpalatability of the black and yellow and scarlet Atelopus stelzneri ...
... observed under practically natural conditions . The various procryptic frogs unearthed were eagerly eaten . But the Seriema was under no misapprehension as to the unpalatability of the black and yellow and scarlet Atelopus stelzneri ...
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