Adaptive Coloration in AnimalsMethuen & Company, Limited, 1940 - 508 pages |
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Page 119
... active , and within reach of shelter , it has not much to fear from predation , and concealment ceases to be of primary importance except during periods of stillness . Conversely , it is , of course , true , as we have repeatedly ...
... active , and within reach of shelter , it has not much to fear from predation , and concealment ceases to be of primary importance except during periods of stillness . Conversely , it is , of course , true , as we have repeatedly ...
Page 142
... active , part . The former , as we have seen , may remain motionless by day , or when danger threatens , and so escape observation . The latter , on the contrary , must take the initiative . Active hunters therefore work at a ...
... active , part . The former , as we have seen , may remain motionless by day , or when danger threatens , and so escape observation . The latter , on the contrary , must take the initiative . Active hunters therefore work at a ...
Page 204
... active , frequenting open sunny places , readily taking wing , and flying with ' a noisy buzzing sound ' ( 232 ) . Among Lepidoptera , a closely similar state of affairs is found in different families . For instance , to mention but one ...
... active , frequenting open sunny places , readily taking wing , and flying with ' a noisy buzzing sound ' ( 232 ) . Among Lepidoptera , a closely similar state of affairs is found in different families . For instance , to mention but one ...
Contents
THE METHODS BY WHICH CONCEALMENT | 5 |
ADAPTIVE RADIATION IN COLOUR RESEMBLANCE II | 11 |
CONCLUSION | 15 |
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advertisement Africa antenn¿ aposematic aposematic animals appearance attack attitude background bark 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 dark deceptive defence device display disruptive pattern distasteful dorsal eaten Edward Poulton effect eggs enemies environment evidence example exhibited experiments fact feeding fishes frogs function genus grasshoppers green grey ground group of animals habits head hind Hingston Hymenoptera illustrated insects instance instinct larva larv¿ later leaf legs Lepidoptera light lizards mammals markings mimetic moths nature nest Nightjars observed optical Orthoptera patches pigment Plate Portuguese East Africa Poulton predators predatory prey principle procryptic protective referred relation remarkable resemblance rest seen shade shadows significant similar snakes species specimens spider spots Stone-Curlew striking surface surroundings tail tegmina tion toads tone various warning coloration widely wings yellow