Adaptive Coloration in AnimalsMethuen & Company, Limited, 1940 - 508 pages |
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Page 35
... light from its different surfaces that a solid object of uniform colour presents to the eye the well - known appearance of light and shade ; and it is almost entirely by this optical appearance of relief -due to light and shade - that ...
... light from its different surfaces that a solid object of uniform colour presents to the eye the well - known appearance of light and shade ; and it is almost entirely by this optical appearance of relief -due to light and shade - that ...
Page 43
... light reflected upwards from the sand . The contrast is also slight for another reason in animals whose home is the interior of shady forests , where the light is diffused and dim and where consequently the differences between the ...
... light reflected upwards from the sand . The contrast is also slight for another reason in animals whose home is the interior of shady forests , where the light is diffused and dim and where consequently the differences between the ...
Page 164
... light of a particular wave - length and shock had been established , the motor response was elicited by the light signal unaccompanied by shock . Discrimination was then tested by the fishes ' reactions to lights of different colours ...
... light of a particular wave - length and shock had been established , the motor response was elicited by the light signal unaccompanied by shock . Discrimination was then tested by the fishes ' reactions to lights of different colours ...
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