Adaptive Coloration in AnimalsMethuen, 1957 - 508 pages |
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Page 117
... relatively free from the danger of attack by predatory species : they are protected in other ways , so that conceal- ment becomes unnecessary . Moreover , it is evident , as will be seen presently , that it is in such species concealing ...
... relatively free from the danger of attack by predatory species : they are protected in other ways , so that conceal- ment becomes unnecessary . Moreover , it is evident , as will be seen presently , that it is in such species concealing ...
Page 130
... relative palatability to particular enemies , which were found to exhibit preferences of a marked kind . When tested with eggs of a number of species , those of Doves ( Turtur capicola and Chalcopelia afra ) were rated as relatively ...
... relative palatability to particular enemies , which were found to exhibit preferences of a marked kind . When tested with eggs of a number of species , those of Doves ( Turtur capicola and Chalcopelia afra ) were rated as relatively ...
Page 252
... relatively abundant palatable forms : in other words , its employment must be strictly limited ' ( 494 ) . In times of stress we have ample illustration of this principle in human affairs . Thus , during the siege of Paris , rats were ...
... relatively abundant palatable forms : in other words , its employment must be strictly limited ' ( 494 ) . In times of stress we have ample illustration of this principle in human affairs . Thus , during the siege of Paris , rats were ...
Contents
THE METHODS BY WHICH CONCEALMENT | 5 |
ADAPTIVE RADIATION IN COLOUR RESEMBLANCE II | 11 |
COLOUR RESEMBLANCE DUE TO CHOICE OF APPROPRIATE BACKGROUNDS | 18 |
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adaptive coloration advertisement Africa antennæ aposematic appearance attack attitude background bark bees beetles behaviour birds body brown Bufo butterflies camouflage caterpillars chromatophores closely colour colour-scheme concealing coloration conspicuous contrast correlated countershading crab Crustacea cryptic coloration cryptic resemblance dark deceptive device display disruptive pattern dorsal eaten Edward Poulton effect eggs enemies environment evidence example exhibited experiments fact feeding figs fishes frogs function geckos genus grasshoppers green grey groups of animals habits head Hymenoptera illustrated insects instance instinct Journ larva larvæ later leaf Lepidoptera light lizards London mammals mantis markings mimetic mimicry mimics moths nature nest Nightjars observed optical Orthoptera Pará patches pigment Polychrus marmoratus Poulton predators prey principle Proc procryptic protective referred relation remarkable rest seen shade shadow significant similar snakes species specimens spider Stone-Curlew striking surface surroundings tail tegmina toads tone tropical various visual warning coloration wings yellow Zool