[valkyry1]

it is conceivable that flying-fish, which now glide far through the air, slightly rising and turning by the aid of their fluttering fins, might have been modified into perfectly winged animal

Once again you re-state and miss-characterize what was said so you have something you can answer.

The flying fish was and is a gliding fish. It never became a perfectly winged animal capable of powered flight such as a bird as Darwin speculated using his model.

[allmendream]

He was speculating on the origins of reptilian/avian and mammalian flight and saying that IF flying fish had adapted into perfect flying creatures their oceanic origins would hardly be suspected.

You took it out of context to make it look like something it was not, a prediction rather than as a hypothetical example.

Typical of the deceitful quote mining creationists regularly engage in.

One might suspect that they know an honest account would doom their argument.

Perhaps that is one of the reasons why the more educated a person is the less likely they are to be a creationist.