Adaptive Coloration in AnimalsMethuen, 1957 - 508 pages |
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Page 283
... toads tested , 31 ( 91 per cent . ) accepted 125 bees during the week . But it is the daily distribution of this numerical record that is so significant : these are the figures : 1. Number of toads which ate bees : 25 , 16 , 10 , 6 , 5 ...
... toads tested , 31 ( 91 per cent . ) accepted 125 bees during the week . But it is the daily distribution of this numerical record that is so significant : these are the figures : 1. Number of toads which ate bees : 25 , 16 , 10 , 6 , 5 ...
Page 286
... toads undergoing memory test in the course of Experiments I and II been eaten for fourteen days , so that the toad's appetite was considerably keener than at the commencement of Experiment I , which was undertaken after a fast of only ...
... toads undergoing memory test in the course of Experiments I and II been eaten for fourteen days , so that the toad's appetite was considerably keener than at the commencement of Experiment I , which was undertaken after a fast of only ...
Page 291
... toads ate a total of 444 mealworms ( see text figure 57 ) . ( 4 ) Permanency of the Association - With the object of testing the memory of toads which had previously learned to avoid bees , a second series of trials ( referred to as ...
... toads ate a total of 444 mealworms ( see text figure 57 ) . ( 4 ) Permanency of the Association - With the object of testing the memory of toads which had previously learned to avoid bees , a second series of trials ( referred to as ...
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