Adaptive Coloration in AnimalsMethuen & Company, Limited, 1940 - 508 pages |
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Page 372
... head appears actually far more conspicuous than the real head . At the same time , the deception is strengthened by adaptive movements of the hind - wings , which are moved alternately up and down , so that the false antennæ cross and ...
... head appears actually far more conspicuous than the real head . At the same time , the deception is strengthened by adaptive movements of the hind - wings , which are moved alternately up and down , so that the false antennæ cross and ...
Page 382
... head which it is especially necessary to con- ceal - to facilitate escape by flight , so with predators it is the head which it is especially necessary to conceal - to facilitate capture by ambush . Now in certain aggressively concealed ...
... head which it is especially necessary to con- ceal - to facilitate escape by flight , so with predators it is the head which it is especially necessary to conceal - to facilitate capture by ambush . Now in certain aggressively concealed ...
Page 415
... head and wings of a Vulture or the striped hide of the Zebra . Sometimes they appeared in the guise of an Ostrich — a method employed when hunting Ostrich or Quagga . In this case a long pliant stick was used to keep the head erect ...
... head and wings of a Vulture or the striped hide of the Zebra . Sometimes they appeared in the guise of an Ostrich — a method employed when hunting Ostrich or Quagga . In this case a long pliant stick was used to keep the head erect ...
Contents
THE METHODS BY WHICH CONCEALMENT | 5 |
ADAPTIVE RADIATION IN COLOUR RESEMBLANCE II | 11 |
CONCLUSION | 15 |
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advertisement Africa antennæ 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 larvæ 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