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 115
... 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
SEASONAL DIMORPHISM | 17 |
MORPHOLOGICAL COLOUR | 24 |
OBLITERATIVE SHADING | 35 |
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Common terms and phrases
adaptive coloration advertisement African antennæ aposematic aposematic animals appearance attack attitude autotomy 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 cryptic resemblance dark deceptive defence device display disruptive pattern dorsal eaten Edward Poulton effect eggs enemies environment evidence example exhibited experiments exposed fact feeding fishes frogs function genus grasshoppers green grey group of animals habits Hingston Hymenoptera illustrated insects instance instinct larva larvæ later leaf Lepidoptera light lizards mammals markings mimetic mimicry moths nature nest nidifugous Nightjars nocturnal observed optical Orthoptera phenomena pigment Poulton predators predatory prey principle procryptic protective referred relation remarkable rest seen shade significant similar snakes species specimens spider Stone-Curlew striking surface surroundings tail tegmina tion toads tone various visual warning coloration widely wings yellow Zool