It is true that this explanation of the bright, conspicuous colours is only a hypothesis, but its foundations,-unpalatableness, and the liability of other butterflies to be eaten,-are certain, and its consequences-the existence of mimetic palatable forms-confirm it in the most convincing manner.
"Darwin and Modern Science"
A.C. Seward and Others
Among these there occur not merely species which are edible, and thus require the protection of a disguise, but others which are rejected on account of their unpalatableness.
"Darwin and Modern Science"
A.C. Seward and Others