Adaptive Coloration in AnimalsMethuen & Company, Limited, 1940 - 508 pages |
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Page 64
... illustrated in Fig . 16 , Nos . 7 , 8 , 9 . A further development of the last principle is illustrated in Fig . 16 , No. 10 , in which adjacent elements in the pattern have their tones graded from dark to light in opposite directions ...
... illustrated in Fig . 16 , Nos . 7 , 8 , 9 . A further development of the last principle is illustrated in Fig . 16 , No. 10 , in which adjacent elements in the pattern have their tones graded from dark to light in opposite directions ...
Page 113
... ILLUSTRATED BY BIRDS Nay more , the very birds of the air , those that be not hawks , are both so many and so useful and pleasant to mankind , that I must not let them pass without some observations . IZAAK WALTON IN the foregoing pages ...
... ILLUSTRATED BY BIRDS Nay more , the very birds of the air , those that be not hawks , are both so many and so useful and pleasant to mankind , that I must not let them pass without some observations . IZAAK WALTON IN the foregoing pages ...
Page 241
... ILLUSTRATED BY THE MAMMALIA Thus the skunck , or stonck , is an innocuous and sweet animal ; but when pressed hard by dogs and men , it can eject such a most pestilent and fetid smell and excrement , than which nothing can be more ...
... ILLUSTRATED BY THE MAMMALIA Thus the skunck , or stonck , is an innocuous and sweet animal ; but when pressed hard by dogs and men , it can eject such a most pestilent and fetid smell and excrement , than which nothing can be more ...
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