Adaptive Coloration in Animals |
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Page 148
( 1 ) In the case of cryptic resemblances , the very optical principles upon which ,
in theory , concealment must depend , are those actually employed and applied
in nature . Can chance explain , for instance , the combined use in one animal of
...
( 1 ) In the case of cryptic resemblances , the very optical principles upon which ,
in theory , concealment must depend , are those actually employed and applied
in nature . Can chance explain , for instance , the combined use in one animal of
...
Page 176
( 3 ) In the combined experiments , out of 542 ( identified ) fishes eaten — 176 (
32 per cent . ) were colour - adapted , 366 ( 68 per cent . ) were non - adapted .
Expressed so as to show the relative numbers of casualties and survivors among
...
( 3 ) In the combined experiments , out of 542 ( identified ) fishes eaten — 176 (
32 per cent . ) were colour - adapted , 366 ( 68 per cent . ) were non - adapted .
Expressed so as to show the relative numbers of casualties and survivors among
...
Page 248
In the foregoing pages I have attempted to give a clear account of the type of
combined equipment ... while they agree with one another , in possessing ( 1 )
protective adaptations ( such as a combination of spiny armour , stinking
secretions ...
In the foregoing pages I have attempted to give a clear account of the type of
combined equipment ... while they agree with one another , in possessing ( 1 )
protective adaptations ( such as a combination of spiny armour , stinking
secretions ...
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Contents
THE METHODS BY WHICH CONCEALMENT | 5 |
VARIABLE COLOUR RESEMBLANCE | 20 |
THE PRINCIPLE OF CONCEALMENT BY COUNTERSHADING | 35 |
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Common terms and phrases
adaptive animals aposematic appearance associated attack attention attitude background become bees belonging birds body brown butterflies caterpillars certain closely colour combined concealment considered conspicuous contrast cryptic dark deceptive depends described developed device directed display disruptive effect eggs enemies environment evidence example exhibited experiments fact feeding field fishes frequently frogs function further green ground habits hand head highly illustrated important individuals insects instance interesting kind known larv¿ later leaf leaves less light living lizards London markings means method mimicry moths movements nature nest Notes objects observed occur particular pattern predators present prey principle produced protective referred relation relatively remarkable resemblance rest says seen selection shade side significant similar snakes species spider striking structure surface surroundings toads tone tree various warning widely wings yellow young